* [PATCH 0/3] drivers: replace wq users and add WQ_PERCPU to alloc_workqueue() users
@ 2025-09-05 8:57 Marco Crivellari
2025-09-05 8:57 ` [PATCH 1/3] drivers: replace use of system_unbound_wq with system_dfl_wq Marco Crivellari
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Marco Crivellari @ 2025-09-05 8:57 UTC (permalink / raw)
To: linux-kernel
Cc: Tejun Heo, Lai Jiangshan, Frederic Weisbecker,
Sebastian Andrzej Siewior, Marco Crivellari, Michal Hocko,
Greg Kroah-Hartman, Jakub Kicinski, Alex Deucher
Hi!
Below is a summary of a discussion about the Workqueue API and cpu isolation
considerations. Details and more information are available here:
"workqueue: Always use wq_select_unbound_cpu() for WORK_CPU_UNBOUND."
https://lore.kernel.org/all/20250221112003.1dSuoGyc@linutronix.de/
=== Current situation: problems ===
Let's consider a nohz_full system with isolated CPUs: wq_unbound_cpumask is
set to the housekeeping CPUs, for !WQ_UNBOUND the local CPU is selected.
This leads to different scenarios if a work item is scheduled on an isolated
CPU where "delay" value is 0 or greater then 0:
schedule_delayed_work(, 0);
This will be handled by __queue_work() that will queue the work item on the
current local (isolated) CPU, while:
schedule_delayed_work(, 1);
Will move the timer on an housekeeping CPU, and schedule the work there.
Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistentcy cannot be addressed without refactoring the API.
=== Plan and future plans ===
This patchset is the first stone on a refactoring needed in order to
address the points aforementioned; it will have a positive impact also
on the cpu isolation, in the long term, moving away percpu workqueue in
favor to an unbound model.
These are the main steps:
1) API refactoring (that this patch is introducing)
- Make more clear and uniform the system wq names, both per-cpu and
unbound. This to avoid any possible confusion on what should be
used.
- Introduction of WQ_PERCPU: this flag is the complement of WQ_UNBOUND,
introduced in this patchset and used on all the callers that are not
currently using WQ_UNBOUND.
WQ_UNBOUND will be removed in a future release cycle.
Most users don't need to be per-cpu, because they don't have
locality requirements, because of that, a next future step will be
make "unbound" the default behavior.
2) Check who really needs to be per-cpu
- Remove the WQ_PERCPU flag when is not strictly required.
3) Add a new API (prefer local cpu)
- There are users that don't require a local execution, like mentioned
above; despite that, local execution yeld to performance gain.
This new API will prefer the local execution, without requiring it.
=== Introduced Changes by this series ===
1) [P 1-2] Replace use of system_wq and system_unbound_wq
system_wq is a per-CPU workqueue, but his name is not clear.
system_unbound_wq is to be used when locality is not required.
Because of that, system_wq has been renamed in system_percpu_wq, and
system_unbound_wq has been renamed in system_dfl_wq.
2) [P 3] add WQ_PERCPU to remaining alloc_workqueue() users
Every alloc_workqueue() caller should use one among WQ_PERCPU or
WQ_UNBOUND. This is actually enforced warning if both or none of them
are present at the same time.
WQ_UNBOUND will be removed in a next release cycle.
=== For Maintainers ===
There are prerequisites for this series, already merged in the master branch.
The commits are:
128ea9f6ccfb6960293ae4212f4f97165e42222d ("workqueue: Add system_percpu_wq and
system_dfl_wq")
930c2ea566aff59e962c50b2421d5fcc3b98b8be ("workqueue: Add new WQ_PERCPU flag")
Thanks!
Marco Crivellari (3):
drivers: replace use of system_unbound_wq with system_dfl_wq
drivers: replace use of system_wq with system_percpu_wq
drivers: WQ_PERCPU added to alloc_workqueue users
drivers/accel/ivpu/ivpu_hw_btrs.c | 2 +-
drivers/accel/ivpu/ivpu_ipc.c | 2 +-
drivers/accel/ivpu/ivpu_job.c | 2 +-
drivers/accel/ivpu/ivpu_mmu.c | 2 +-
drivers/accel/ivpu/ivpu_pm.c | 4 +--
drivers/acpi/ec.c | 3 +-
drivers/acpi/osl.c | 6 ++--
drivers/acpi/scan.c | 2 +-
drivers/acpi/thermal.c | 3 +-
drivers/ata/libata-sff.c | 3 +-
drivers/base/core.c | 2 +-
drivers/base/dd.c | 2 +-
drivers/base/devcoredump.c | 2 +-
drivers/bus/mhi/ep/main.c | 2 +-
drivers/char/random.c | 8 ++---
drivers/char/tpm/tpm-dev-common.c | 3 +-
drivers/char/xillybus/xillybus_core.c | 2 +-
drivers/char/xillybus/xillyusb.c | 4 +--
drivers/cpufreq/tegra194-cpufreq.c | 3 +-
drivers/crypto/atmel-i2c.c | 2 +-
drivers/crypto/cavium/nitrox/nitrox_mbx.c | 2 +-
drivers/crypto/intel/qat/qat_common/adf_aer.c | 4 +--
drivers/crypto/intel/qat/qat_common/adf_isr.c | 3 +-
.../crypto/intel/qat/qat_common/adf_sriov.c | 3 +-
.../crypto/intel/qat/qat_common/adf_vf_isr.c | 3 +-
drivers/cxl/pci.c | 2 +-
drivers/extcon/extcon-intel-int3496.c | 4 +--
drivers/firewire/core-transaction.c | 3 +-
drivers/firewire/ohci.c | 3 +-
drivers/gpio/gpiolib-cdev.c | 4 +--
drivers/gpu/drm/amd/amdgpu/aldebaran.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++--
drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | 2 +-
drivers/gpu/drm/amd/amdkfd/kfd_process.c | 3 +-
drivers/gpu/drm/bridge/analogix/anx7625.c | 3 +-
drivers/gpu/drm/bridge/ite-it6505.c | 2 +-
drivers/gpu/drm/bridge/ti-tfp410.c | 2 +-
drivers/gpu/drm/drm_atomic_helper.c | 6 ++--
drivers/gpu/drm/drm_probe_helper.c | 2 +-
drivers/gpu/drm/drm_self_refresh_helper.c | 2 +-
drivers/gpu/drm/exynos/exynos_hdmi.c | 2 +-
.../drm/i915/display/intel_display_driver.c | 3 +-
.../drm/i915/display/intel_display_power.c | 2 +-
drivers/gpu/drm/i915/display/intel_tc.c | 4 +--
drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 2 +-
drivers/gpu/drm/i915/gt/uc/intel_guc.c | 4 +--
drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 4 +--
.../gpu/drm/i915/gt/uc/intel_guc_submission.c | 6 ++--
drivers/gpu/drm/i915/i915_active.c | 2 +-
drivers/gpu/drm/i915/i915_driver.c | 5 ++--
drivers/gpu/drm/i915/i915_drv.h | 2 +-
drivers/gpu/drm/i915/i915_sw_fence_work.c | 2 +-
drivers/gpu/drm/i915/i915_vma_resource.c | 2 +-
drivers/gpu/drm/i915/pxp/intel_pxp.c | 2 +-
drivers/gpu/drm/i915/pxp/intel_pxp_irq.c | 2 +-
.../gpu/drm/i915/selftests/i915_sw_fence.c | 2 +-
.../gpu/drm/i915/selftests/mock_gem_device.c | 2 +-
drivers/gpu/drm/nouveau/dispnv50/disp.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_drm.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_sched.c | 3 +-
drivers/gpu/drm/radeon/radeon_display.c | 3 +-
.../gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 4 +--
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +-
drivers/gpu/drm/scheduler/sched_main.c | 2 +-
drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 2 +-
drivers/gpu/drm/vc4/vc4_hdmi.c | 4 +--
drivers/gpu/drm/xe/xe_devcoredump.c | 2 +-
drivers/gpu/drm/xe/xe_device.c | 4 +--
drivers/gpu/drm/xe/xe_execlist.c | 2 +-
drivers/gpu/drm/xe/xe_ggtt.c | 2 +-
drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c | 6 ++--
drivers/gpu/drm/xe/xe_guc_ct.c | 4 +--
drivers/gpu/drm/xe/xe_hw_engine_group.c | 3 +-
drivers/gpu/drm/xe/xe_oa.c | 2 +-
drivers/gpu/drm/xe/xe_pt.c | 2 +-
drivers/gpu/drm/xe/xe_sriov.c | 2 +-
drivers/gpu/drm/xe/xe_vm.c | 4 +--
drivers/greybus/operation.c | 2 +-
drivers/hid/hid-nintendo.c | 3 +-
drivers/hte/hte.c | 2 +-
drivers/hv/mshv_eventfd.c | 2 +-
drivers/i3c/master.c | 2 +-
drivers/iio/adc/pac1934.c | 2 +-
drivers/infiniband/core/cm.c | 2 +-
drivers/infiniband/core/device.c | 4 +--
drivers/infiniband/core/ucma.c | 2 +-
drivers/infiniband/hw/hfi1/init.c | 3 +-
drivers/infiniband/hw/hfi1/opfn.c | 3 +-
drivers/infiniband/hw/mlx4/cm.c | 2 +-
drivers/infiniband/hw/mlx5/odp.c | 4 +--
drivers/infiniband/sw/rdmavt/cq.c | 3 +-
drivers/infiniband/ulp/iser/iscsi_iser.c | 2 +-
drivers/infiniband/ulp/isert/ib_isert.c | 2 +-
drivers/infiniband/ulp/rtrs/rtrs-clt.c | 2 +-
drivers/infiniband/ulp/rtrs/rtrs-srv.c | 2 +-
drivers/input/keyboard/gpio_keys.c | 2 +-
drivers/input/misc/palmas-pwrbutton.c | 2 +-
drivers/input/mouse/psmouse-smbus.c | 2 +-
drivers/input/mouse/synaptics_i2c.c | 8 ++---
drivers/isdn/capi/kcapi.c | 2 +-
drivers/leds/trigger/ledtrig-input-events.c | 2 +-
drivers/md/bcache/btree.c | 3 +-
drivers/md/bcache/super.c | 30 ++++++++++---------
drivers/md/bcache/writeback.c | 2 +-
drivers/md/dm-bufio.c | 3 +-
drivers/md/dm-cache-target.c | 3 +-
drivers/md/dm-clone-target.c | 3 +-
drivers/md/dm-crypt.c | 6 ++--
drivers/md/dm-delay.c | 4 ++-
drivers/md/dm-integrity.c | 15 ++++++----
drivers/md/dm-kcopyd.c | 3 +-
drivers/md/dm-log-userspace-base.c | 3 +-
drivers/md/dm-mpath.c | 5 ++--
drivers/md/dm-raid1.c | 5 ++--
drivers/md/dm-snap-persistent.c | 3 +-
drivers/md/dm-stripe.c | 2 +-
drivers/md/dm-verity-target.c | 4 ++-
drivers/md/dm-writecache.c | 3 +-
drivers/md/dm.c | 3 +-
drivers/md/md.c | 4 +--
drivers/media/pci/ddbridge/ddbridge-core.c | 2 +-
.../platform/mediatek/mdp3/mtk-mdp3-core.c | 6 ++--
.../platform/synopsys/hdmirx/snps_hdmirx.c | 8 ++---
drivers/message/fusion/mptbase.c | 7 +++--
drivers/mmc/core/block.c | 3 +-
drivers/mmc/host/mtk-sd.c | 4 +--
drivers/mmc/host/omap.c | 2 +-
drivers/nvdimm/security.c | 4 +--
drivers/nvme/host/tcp.c | 2 ++
drivers/nvme/target/admin-cmd.c | 2 +-
drivers/nvme/target/core.c | 5 ++--
drivers/nvme/target/fabrics-cmd-auth.c | 2 +-
drivers/nvme/target/fc.c | 6 ++--
drivers/nvme/target/tcp.c | 2 +-
drivers/pci/endpoint/functions/pci-epf-mhi.c | 2 +-
drivers/pci/endpoint/functions/pci-epf-ntb.c | 5 ++--
drivers/pci/endpoint/functions/pci-epf-test.c | 3 +-
drivers/pci/endpoint/functions/pci-epf-vntb.c | 5 ++--
drivers/pci/endpoint/pci-ep-cfs.c | 2 +-
drivers/pci/hotplug/pnv_php.c | 3 +-
drivers/pci/hotplug/shpchp_core.c | 3 +-
drivers/phy/allwinner/phy-sun4i-usb.c | 14 ++++-----
.../platform/cznic/turris-omnia-mcu-gpio.c | 2 +-
.../surface/aggregator/ssh_packet_layer.c | 2 +-
.../surface/aggregator/ssh_request_layer.c | 2 +-
.../platform/surface/surface_acpi_notify.c | 2 +-
drivers/platform/x86/gpd-pocket-fan.c | 4 +--
.../x86/x86-android-tablets/vexia_atla10_ec.c | 2 +-
drivers/rapidio/rio.c | 2 +-
drivers/ras/cec.c | 2 +-
drivers/regulator/irq_helpers.c | 2 +-
drivers/regulator/qcom-labibb-regulator.c | 4 +--
drivers/scsi/be2iscsi/be_main.c | 3 +-
drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 2 +-
drivers/scsi/device_handler/scsi_dh_alua.c | 2 +-
drivers/scsi/fcoe/fcoe.c | 2 +-
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c | 3 +-
drivers/scsi/lpfc/lpfc_init.c | 2 +-
drivers/scsi/pm8001/pm8001_init.c | 2 +-
drivers/scsi/qedf/qedf_main.c | 15 ++++++----
drivers/scsi/qedi/qedi_main.c | 2 +-
drivers/scsi/qla2xxx/qla_os.c | 4 +--
drivers/scsi/qla2xxx/qla_target.c | 2 +-
drivers/scsi/qla2xxx/tcm_qla2xxx.c | 2 +-
drivers/scsi/qla4xxx/ql4_os.c | 3 +-
drivers/scsi/scsi_transport_fc.c | 7 +++--
drivers/scsi/scsi_transport_iscsi.c | 2 +-
drivers/soc/fsl/qbman/qman.c | 2 +-
drivers/soc/xilinx/zynqmp_power.c | 6 ++--
drivers/staging/greybus/sdio.c | 2 +-
drivers/target/sbp/sbp_target.c | 8 ++---
drivers/target/target_core_transport.c | 4 +--
drivers/target/target_core_xcopy.c | 2 +-
drivers/target/tcm_fc/tfc_conf.c | 2 +-
drivers/thunderbolt/tb.c | 2 +-
drivers/tty/serial/8250/8250_dw.c | 4 +--
drivers/tty/tty_buffer.c | 8 ++---
drivers/usb/core/hub.c | 2 +-
drivers/usb/dwc3/gadget.c | 2 +-
drivers/usb/gadget/function/f_hid.c | 3 +-
drivers/usb/host/xhci-dbgcap.c | 8 ++---
drivers/usb/host/xhci-ring.c | 2 +-
drivers/usb/storage/uas.c | 2 +-
drivers/usb/typec/anx7411.c | 3 +-
drivers/vdpa/vdpa_user/vduse_dev.c | 3 +-
drivers/virtio/virtio_balloon.c | 3 +-
drivers/xen/events/events_base.c | 6 ++--
drivers/xen/privcmd.c | 3 +-
188 files changed, 351 insertions(+), 286 deletions(-)
--
2.51.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH 1/3] drivers: replace use of system_unbound_wq with system_dfl_wq
2025-09-05 8:57 [PATCH 0/3] drivers: replace wq users and add WQ_PERCPU to alloc_workqueue() users Marco Crivellari
@ 2025-09-05 8:57 ` Marco Crivellari
2025-09-05 8:58 ` [PATCH 2/3] drivers: replace use of system_wq with system_percpu_wq Marco Crivellari
2025-09-05 8:58 ` [PATCH 3/3] drivers: WQ_PERCPU added to alloc_workqueue users Marco Crivellari
2 siblings, 0 replies; 4+ messages in thread
From: Marco Crivellari @ 2025-09-05 8:57 UTC (permalink / raw)
To: linux-kernel
Cc: Tejun Heo, Lai Jiangshan, Frederic Weisbecker,
Sebastian Andrzej Siewior, Marco Crivellari, Michal Hocko,
Greg Kroah-Hartman, Jakub Kicinski, Alex Deucher
Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistentcy cannot be addressed without refactoring the API.
system_unbound_wq should be the default workqueue so as not to enforce
locality constraints for random work whenever it's not required.
Adding system_dfl_wq to encourage its use when unbound work should be used.
queue_work() / queue_delayed_work() / mod_delayed_work() will now use the
new unbound wq: whether the user still use the old wq a warn will be
printed along with a wq redirect to the new one.
The old system_unbound_wq will be kept for a few release cycles.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
---
drivers/accel/ivpu/ivpu_pm.c | 2 +-
drivers/acpi/scan.c | 2 +-
drivers/base/dd.c | 2 +-
drivers/char/random.c | 8 ++++----
drivers/gpu/drm/amd/amdgpu/aldebaran.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | 2 +-
drivers/gpu/drm/drm_atomic_helper.c | 6 +++---
drivers/gpu/drm/i915/display/intel_display_power.c | 2 +-
drivers/gpu/drm/i915/display/intel_tc.c | 4 ++--
drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 2 +-
drivers/gpu/drm/i915/gt/uc/intel_guc.c | 4 ++--
drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 4 ++--
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 6 +++---
drivers/gpu/drm/i915/i915_active.c | 2 +-
drivers/gpu/drm/i915/i915_sw_fence_work.c | 2 +-
drivers/gpu/drm/i915/i915_vma_resource.c | 2 +-
drivers/gpu/drm/i915/pxp/intel_pxp.c | 2 +-
drivers/gpu/drm/i915/pxp/intel_pxp_irq.c | 2 +-
drivers/gpu/drm/nouveau/dispnv50/disp.c | 2 +-
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +-
drivers/gpu/drm/xe/xe_devcoredump.c | 2 +-
drivers/gpu/drm/xe/xe_execlist.c | 2 +-
drivers/gpu/drm/xe/xe_guc_ct.c | 4 ++--
drivers/gpu/drm/xe/xe_oa.c | 2 +-
drivers/gpu/drm/xe/xe_vm.c | 4 ++--
drivers/hte/hte.c | 2 +-
drivers/infiniband/core/ucma.c | 2 +-
drivers/infiniband/hw/mlx5/odp.c | 4 ++--
drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c | 8 ++++----
drivers/scsi/qla2xxx/qla_os.c | 2 +-
drivers/scsi/scsi_transport_iscsi.c | 2 +-
drivers/soc/xilinx/zynqmp_power.c | 6 +++---
drivers/target/sbp/sbp_target.c | 8 ++++----
drivers/tty/serial/8250/8250_dw.c | 4 ++--
drivers/tty/tty_buffer.c | 8 ++++----
36 files changed, 61 insertions(+), 61 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index b5891e91f7ab..118e6ca9a3de 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -181,7 +181,7 @@ void ivpu_pm_trigger_recovery(struct ivpu_device *vdev, const char *reason)
if (atomic_cmpxchg(&vdev->pm->reset_pending, 0, 1) == 0) {
ivpu_hw_diagnose_failure(vdev);
ivpu_hw_irq_disable(vdev); /* Disable IRQ early to protect from IRQ storm */
- queue_work(system_unbound_wq, &vdev->pm->recovery_work);
+ queue_work(system_dfl_wq, &vdev->pm->recovery_work);
}
}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index fb1fe9f3b1a3..14fbac0b65c8 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -2389,7 +2389,7 @@ static bool acpi_scan_clear_dep_queue(struct acpi_device *adev)
* initial enumeration of devices is complete, put it into the unbound
* workqueue.
*/
- queue_work(system_unbound_wq, &cdw->work);
+ queue_work(system_dfl_wq, &cdw->work);
return true;
}
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index f0e4b4aba885..fc778ed5552d 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -192,7 +192,7 @@ void driver_deferred_probe_trigger(void)
* Kick the re-probe thread. It may already be scheduled, but it is
* safe to kick it again.
*/
- queue_work(system_unbound_wq, &deferred_probe_work);
+ queue_work(system_dfl_wq, &deferred_probe_work);
}
/**
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 38f2fab29c56..97435cd6b819 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -259,8 +259,8 @@ static void crng_reseed(struct work_struct *work)
u8 key[CHACHA_KEY_SIZE];
/* Immediately schedule the next reseeding, so that it fires sooner rather than later. */
- if (likely(system_unbound_wq))
- queue_delayed_work(system_unbound_wq, &next_reseed, crng_reseed_interval());
+ if (likely(system_dfl_wq))
+ queue_delayed_work(system_dfl_wq, &next_reseed, crng_reseed_interval());
extract_entropy(key, sizeof(key));
@@ -739,8 +739,8 @@ static void __cold _credit_init_bits(size_t bits)
if (orig < POOL_READY_BITS && new >= POOL_READY_BITS) {
crng_reseed(NULL); /* Sets crng_init to CRNG_READY under base_crng.lock. */
- if (static_key_initialized && system_unbound_wq)
- queue_work(system_unbound_wq, &set_ready);
+ if (static_key_initialized && system_dfl_wq)
+ queue_work(system_dfl_wq, &set_ready);
atomic_notifier_call_chain(&random_ready_notifier, 0, NULL);
#ifdef CONFIG_VDSO_GETRANDOM
WRITE_ONCE(vdso_k_rng_data->is_ready, true);
diff --git a/drivers/gpu/drm/amd/amdgpu/aldebaran.c b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
index e13fbd974141..d6acacfb6f91 100644
--- a/drivers/gpu/drm/amd/amdgpu/aldebaran.c
+++ b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
@@ -164,7 +164,7 @@ aldebaran_mode2_perform_reset(struct amdgpu_reset_control *reset_ctl,
list_for_each_entry(tmp_adev, reset_device_list, reset_list) {
/* For XGMI run all resets in parallel to speed up the process */
if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
- if (!queue_work(system_unbound_wq,
+ if (!queue_work(system_dfl_wq,
&tmp_adev->reset_cntl->reset_work))
r = -EALREADY;
} else
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index a30111d2c3ea..d4a2886d8c58 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5762,7 +5762,7 @@ int amdgpu_do_asic_reset(struct list_head *device_list_handle,
list_for_each_entry(tmp_adev, device_list_handle, reset_list) {
/* For XGMI run all resets in parallel to speed up the process */
if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
- if (!queue_work(system_unbound_wq,
+ if (!queue_work(system_dfl_wq,
&tmp_adev->xgmi_reset_work))
r = -EALREADY;
} else
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
index dabfbdf6f1ce..1596b94b110d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
@@ -116,7 +116,7 @@ static int amdgpu_reset_xgmi_reset_on_init_perform_reset(
/* Mode1 reset needs to be triggered on all devices together */
list_for_each_entry(tmp_adev, reset_device_list, reset_list) {
/* For XGMI run all resets in parallel to speed up the process */
- if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work))
+ if (!queue_work(system_dfl_wq, &tmp_adev->xgmi_reset_work))
r = -EALREADY;
if (r) {
dev_err(tmp_adev->dev,
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 5302ab324898..aa539f316bf8 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2100,13 +2100,13 @@ int drm_atomic_helper_commit(struct drm_device *dev,
* current layout.
*
* NOTE: Commit work has multiple phases, first hardware commit, then
- * cleanup. We want them to overlap, hence need system_unbound_wq to
+ * cleanup. We want them to overlap, hence need system_dfl_wq to
* make sure work items don't artificially stall on each another.
*/
drm_atomic_state_get(state);
if (nonblock)
- queue_work(system_unbound_wq, &state->commit_work);
+ queue_work(system_dfl_wq, &state->commit_work);
else
commit_tail(state);
@@ -2139,7 +2139,7 @@ EXPORT_SYMBOL(drm_atomic_helper_commit);
*
* Asynchronous workers need to have sufficient parallelism to be able to run
* different atomic commits on different CRTCs in parallel. The simplest way to
- * achieve this is by running them on the &system_unbound_wq work queue. Note
+ * achieve this is by running them on the &system_dfl_wq work queue. Note
* that drivers are not required to split up atomic commits and run an
* individual commit in parallel - userspace is supposed to do that if it cares.
* But it might be beneficial to do that for modesets, since those necessarily
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index f7171e6932dc..ff5166037ab5 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -611,7 +611,7 @@ queue_async_put_domains_work(struct i915_power_domains *power_domains,
power.domains);
drm_WARN_ON(display->drm, power_domains->async_put_wakeref);
power_domains->async_put_wakeref = wakeref;
- drm_WARN_ON(display->drm, !queue_delayed_work(system_unbound_wq,
+ drm_WARN_ON(display->drm, !queue_delayed_work(system_dfl_wq,
&power_domains->async_put_work,
msecs_to_jiffies(delay_ms)));
}
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index b8d14ed8a56e..7de1006f844d 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -1760,7 +1760,7 @@ bool intel_tc_port_link_reset(struct intel_digital_port *dig_port)
if (!intel_tc_port_link_needs_reset(dig_port))
return false;
- queue_delayed_work(system_unbound_wq,
+ queue_delayed_work(system_dfl_wq,
&to_tc_port(dig_port)->link_reset_work,
msecs_to_jiffies(2000));
@@ -1842,7 +1842,7 @@ void intel_tc_port_unlock(struct intel_digital_port *dig_port)
struct intel_tc_port *tc = to_tc_port(dig_port);
if (!tc->link_refcount && tc->mode != TC_PORT_DISCONNECTED)
- queue_delayed_work(system_unbound_wq, &tc->disconnect_phy_work,
+ queue_delayed_work(system_dfl_wq, &tc->disconnect_phy_work,
msecs_to_jiffies(1000));
mutex_unlock(&tc->lock);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
index 2f6b33edb9c9..008d5909a010 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
@@ -408,7 +408,7 @@ static void __memcpy_cb(struct dma_fence *fence, struct dma_fence_cb *cb)
if (unlikely(fence->error || I915_SELFTEST_ONLY(fail_gpu_migration))) {
INIT_WORK(©_work->work, __memcpy_work);
- queue_work(system_unbound_wq, ©_work->work);
+ queue_work(system_dfl_wq, ©_work->work);
} else {
init_irq_work(©_work->irq_work, __memcpy_irq_work);
irq_work_queue(©_work->irq_work);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 9df80c325fc1..8dbf6c82e241 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -617,7 +617,7 @@ int intel_guc_crash_process_msg(struct intel_guc *guc, u32 action)
else
guc_err(guc, "Unknown crash notification: 0x%04X\n", action);
- queue_work(system_unbound_wq, &guc->dead_guc_worker);
+ queue_work(system_dfl_wq, &guc->dead_guc_worker);
return 0;
}
@@ -639,7 +639,7 @@ int intel_guc_to_host_process_recv_msg(struct intel_guc *guc,
guc_err(guc, "Received early exception notification!\n");
if (msg & (INTEL_GUC_RECV_MSG_CRASH_DUMP_POSTED | INTEL_GUC_RECV_MSG_EXCEPTION))
- queue_work(system_unbound_wq, &guc->dead_guc_worker);
+ queue_work(system_dfl_wq, &guc->dead_guc_worker);
return 0;
}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 0d5197c0824a..2575f380d17d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -30,7 +30,7 @@ static void ct_dead_ct_worker_func(struct work_struct *w);
do { \
if (!(ct)->dead_ct_reported) { \
(ct)->dead_ct_reason |= 1 << CT_DEAD_##reason; \
- queue_work(system_unbound_wq, &(ct)->dead_ct_worker); \
+ queue_work(system_dfl_wq, &(ct)->dead_ct_worker); \
} \
} while (0)
#else
@@ -1240,7 +1240,7 @@ static int ct_handle_event(struct intel_guc_ct *ct, struct ct_incoming_msg *requ
list_add_tail(&request->link, &ct->requests.incoming);
spin_unlock_irqrestore(&ct->requests.lock, flags);
- queue_work(system_unbound_wq, &ct->requests.worker);
+ queue_work(system_dfl_wq, &ct->requests.worker);
return 0;
}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index f8cb7c630d5b..54d17548d4aa 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -3385,7 +3385,7 @@ static void guc_context_sched_disable(struct intel_context *ce)
} else if (!intel_context_is_closed(ce) && !guc_id_pressure(guc, ce) &&
delay) {
spin_unlock_irqrestore(&ce->guc_state.lock, flags);
- mod_delayed_work(system_unbound_wq,
+ mod_delayed_work(system_dfl_wq,
&ce->guc_state.sched_disable_delay_work,
msecs_to_jiffies(delay));
} else {
@@ -3600,7 +3600,7 @@ static void guc_context_destroy(struct kref *kref)
* take the GT PM for the first time which isn't allowed from an atomic
* context.
*/
- queue_work(system_unbound_wq, &guc->submission_state.destroyed_worker);
+ queue_work(system_dfl_wq, &guc->submission_state.destroyed_worker);
}
static int guc_context_alloc(struct intel_context *ce)
@@ -5371,7 +5371,7 @@ int intel_guc_engine_failure_process_msg(struct intel_guc *guc,
* A GT reset flushes this worker queue (G2H handler) so we must use
* another worker to trigger a GT reset.
*/
- queue_work(system_unbound_wq, &guc->submission_state.reset_fail_worker);
+ queue_work(system_dfl_wq, &guc->submission_state.reset_fail_worker);
return 0;
}
diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c
index 0dbc4e289300..4b7238db08c4 100644
--- a/drivers/gpu/drm/i915/i915_active.c
+++ b/drivers/gpu/drm/i915/i915_active.c
@@ -193,7 +193,7 @@ active_retire(struct i915_active *ref)
return;
if (ref->flags & I915_ACTIVE_RETIRE_SLEEPS) {
- queue_work(system_unbound_wq, &ref->work);
+ queue_work(system_dfl_wq, &ref->work);
return;
}
diff --git a/drivers/gpu/drm/i915/i915_sw_fence_work.c b/drivers/gpu/drm/i915/i915_sw_fence_work.c
index d2e56b387993..366418108f78 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence_work.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence_work.c
@@ -38,7 +38,7 @@ fence_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state)
if (test_bit(DMA_FENCE_WORK_IMM, &f->dma.flags))
fence_work(&f->work);
else
- queue_work(system_unbound_wq, &f->work);
+ queue_work(system_dfl_wq, &f->work);
} else {
fence_complete(f);
}
diff --git a/drivers/gpu/drm/i915/i915_vma_resource.c b/drivers/gpu/drm/i915/i915_vma_resource.c
index 53d619ef0c3d..a8f2112ce81f 100644
--- a/drivers/gpu/drm/i915/i915_vma_resource.c
+++ b/drivers/gpu/drm/i915/i915_vma_resource.c
@@ -202,7 +202,7 @@ i915_vma_resource_fence_notify(struct i915_sw_fence *fence,
i915_vma_resource_unbind_work(&vma_res->work);
} else {
INIT_WORK(&vma_res->work, i915_vma_resource_unbind_work);
- queue_work(system_unbound_wq, &vma_res->work);
+ queue_work(system_dfl_wq, &vma_res->work);
}
break;
case FENCE_FREE:
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c
index f8da693ad3ce..df854c961c6e 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c
@@ -276,7 +276,7 @@ static void pxp_queue_termination(struct intel_pxp *pxp)
spin_lock_irq(gt->irq_lock);
intel_pxp_mark_termination_in_progress(pxp);
pxp->session_events |= PXP_TERMINATION_REQUEST;
- queue_work(system_unbound_wq, &pxp->session_work);
+ queue_work(system_dfl_wq, &pxp->session_work);
spin_unlock_irq(gt->irq_lock);
}
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c b/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c
index d81750b9bdda..735325e828bc 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c
@@ -48,7 +48,7 @@ void intel_pxp_irq_handler(struct intel_pxp *pxp, u16 iir)
pxp->session_events |= PXP_TERMINATION_COMPLETE | PXP_EVENT_TYPE_IRQ;
if (pxp->session_events)
- queue_work(system_unbound_wq, &pxp->session_work);
+ queue_work(system_dfl_wq, &pxp->session_work);
}
static inline void __pxp_set_interrupts(struct intel_gt *gt, u32 interrupts)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 504cb3f2054b..d179c81d8306 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -2466,7 +2466,7 @@ nv50_disp_atomic_commit(struct drm_device *dev,
pm_runtime_get_noresume(dev->dev);
if (nonblock)
- queue_work(system_unbound_wq, &state->commit_work);
+ queue_work(system_dfl_wq, &state->commit_work);
else
nv50_disp_atomic_commit_tail(state);
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index e3596e2b557d..a13098ec5df0 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1771,7 +1771,7 @@ static void vop_handle_vblank(struct vop *vop)
spin_unlock(&drm->event_lock);
if (test_and_clear_bit(VOP_PENDING_FB_UNREF, &vop->pending))
- drm_flip_work_commit(&vop->fb_unref_work, system_unbound_wq);
+ drm_flip_work_commit(&vop->fb_unref_work, system_dfl_wq);
}
static irqreturn_t vop_isr(int irq, void *data)
diff --git a/drivers/gpu/drm/xe/xe_devcoredump.c b/drivers/gpu/drm/xe/xe_devcoredump.c
index 81b9d9bb3f57..02ca9abd9e76 100644
--- a/drivers/gpu/drm/xe/xe_devcoredump.c
+++ b/drivers/gpu/drm/xe/xe_devcoredump.c
@@ -316,7 +316,7 @@ static void devcoredump_snapshot(struct xe_devcoredump *coredump,
xe_engine_snapshot_capture_for_queue(q);
- queue_work(system_unbound_wq, &ss->work);
+ queue_work(system_dfl_wq, &ss->work);
xe_force_wake_put(gt_to_fw(q->gt), fw_ref);
dma_fence_end_signalling(cookie);
diff --git a/drivers/gpu/drm/xe/xe_execlist.c b/drivers/gpu/drm/xe/xe_execlist.c
index 788f56b066b6..171a5796e0fb 100644
--- a/drivers/gpu/drm/xe/xe_execlist.c
+++ b/drivers/gpu/drm/xe/xe_execlist.c
@@ -416,7 +416,7 @@ static void execlist_exec_queue_kill(struct xe_exec_queue *q)
static void execlist_exec_queue_fini(struct xe_exec_queue *q)
{
INIT_WORK(&q->execlist->fini_async, execlist_exec_queue_fini_async);
- queue_work(system_unbound_wq, &q->execlist->fini_async);
+ queue_work(system_dfl_wq, &q->execlist->fini_async);
}
static int execlist_exec_queue_set_priority(struct xe_exec_queue *q,
diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index 72ad576fc18e..4e239d8195cd 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.c
+++ b/drivers/gpu/drm/xe/xe_guc_ct.c
@@ -472,7 +472,7 @@ int xe_guc_ct_enable(struct xe_guc_ct *ct)
spin_lock_irq(&ct->dead.lock);
if (ct->dead.reason) {
ct->dead.reason |= (1 << CT_DEAD_STATE_REARM);
- queue_work(system_unbound_wq, &ct->dead.worker);
+ queue_work(system_dfl_wq, &ct->dead.worker);
}
spin_unlock_irq(&ct->dead.lock);
#endif
@@ -1811,7 +1811,7 @@ static void ct_dead_capture(struct xe_guc_ct *ct, struct guc_ctb *ctb, u32 reaso
spin_unlock_irqrestore(&ct->dead.lock, flags);
- queue_work(system_unbound_wq, &(ct)->dead.worker);
+ queue_work(system_dfl_wq, &(ct)->dead.worker);
}
static void ct_dead_print(struct xe_dead_ct *dead)
diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c
index 7ffc98f67e69..1878e50eb687 100644
--- a/drivers/gpu/drm/xe/xe_oa.c
+++ b/drivers/gpu/drm/xe/xe_oa.c
@@ -956,7 +956,7 @@ static void xe_oa_config_cb(struct dma_fence *fence, struct dma_fence_cb *cb)
struct xe_oa_fence *ofence = container_of(cb, typeof(*ofence), cb);
INIT_DELAYED_WORK(&ofence->work, xe_oa_fence_work_fn);
- queue_delayed_work(system_unbound_wq, &ofence->work,
+ queue_delayed_work(system_dfl_wq, &ofence->work,
usecs_to_jiffies(NOA_PROGRAM_ADDITIONAL_DELAY_US));
dma_fence_put(fence);
}
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index 60303998bd61..3e25b71749d4 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -1289,7 +1289,7 @@ static void vma_destroy_cb(struct dma_fence *fence,
struct xe_vma *vma = container_of(cb, struct xe_vma, destroy_cb);
INIT_WORK(&vma->destroy_work, vma_destroy_work_func);
- queue_work(system_unbound_wq, &vma->destroy_work);
+ queue_work(system_dfl_wq, &vma->destroy_work);
}
static void xe_vma_destroy(struct xe_vma *vma, struct dma_fence *fence)
@@ -1973,7 +1973,7 @@ static void xe_vm_free(struct drm_gpuvm *gpuvm)
struct xe_vm *vm = container_of(gpuvm, struct xe_vm, gpuvm);
/* To destroy the VM we need to be able to sleep */
- queue_work(system_unbound_wq, &vm->destroy_work);
+ queue_work(system_dfl_wq, &vm->destroy_work);
}
struct xe_vm *xe_vm_lookup(struct xe_file *xef, u32 id)
diff --git a/drivers/hte/hte.c b/drivers/hte/hte.c
index 23a6eeb8c506..e2804636f2bd 100644
--- a/drivers/hte/hte.c
+++ b/drivers/hte/hte.c
@@ -826,7 +826,7 @@ int hte_push_ts_ns(const struct hte_chip *chip, u32 xlated_id,
ret = ei->cb(data, ei->cl_data);
if (ret == HTE_RUN_SECOND_CB && ei->tcb) {
- queue_work(system_unbound_wq, &ei->cb_work);
+ queue_work(system_dfl_wq, &ei->cb_work);
set_bit(HTE_TS_QUEUE_WK, &ei->flags);
}
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 6e700b974033..ccfcf8e4b712 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -361,7 +361,7 @@ static int ucma_event_handler(struct rdma_cm_id *cm_id,
if (event->event == RDMA_CM_EVENT_DEVICE_REMOVAL) {
xa_lock(&ctx_table);
if (xa_load(&ctx_table, ctx->id) == ctx)
- queue_work(system_unbound_wq, &ctx->close_work);
+ queue_work(system_dfl_wq, &ctx->close_work);
xa_unlock(&ctx_table);
}
return 0;
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 86d8fa63bf69..24efd9a2d82b 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -253,7 +253,7 @@ static void destroy_unused_implicit_child_mr(struct mlx5_ib_mr *mr)
/* Freeing a MR is a sleeping operation, so bounce to a work queue */
INIT_WORK(&mr->odp_destroy.work, free_implicit_child_mr_work);
- queue_work(system_unbound_wq, &mr->odp_destroy.work);
+ queue_work(system_dfl_wq, &mr->odp_destroy.work);
}
static bool mlx5_ib_invalidate_range(struct mmu_interval_notifier *mni,
@@ -2062,6 +2062,6 @@ int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd,
destroy_prefetch_work(work);
return rc;
}
- queue_work(system_unbound_wq, &work->work);
+ queue_work(system_dfl_wq, &work->work);
return 0;
}
diff --git a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
index 3d2913de9a86..8c5142fc80ef 100644
--- a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
+++ b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
@@ -1735,7 +1735,7 @@ static void process_signal_change(struct snps_hdmirx_dev *hdmirx_dev)
FIFO_UNDERFLOW_INT_EN |
HDMIRX_AXI_ERROR_INT_EN, 0);
hdmirx_reset_dma(hdmirx_dev);
- queue_delayed_work(system_unbound_wq,
+ queue_delayed_work(system_dfl_wq,
&hdmirx_dev->delayed_work_res_change,
msecs_to_jiffies(50));
}
@@ -2190,7 +2190,7 @@ static void hdmirx_delayed_work_res_change(struct work_struct *work)
if (hdmirx_wait_signal_lock(hdmirx_dev)) {
hdmirx_plugout(hdmirx_dev);
- queue_delayed_work(system_unbound_wq,
+ queue_delayed_work(system_dfl_wq,
&hdmirx_dev->delayed_work_hotplug,
msecs_to_jiffies(200));
} else {
@@ -2209,7 +2209,7 @@ static irqreturn_t hdmirx_5v_det_irq_handler(int irq, void *dev_id)
val = gpiod_get_value(hdmirx_dev->detect_5v_gpio);
v4l2_dbg(3, debug, &hdmirx_dev->v4l2_dev, "%s: 5v:%d\n", __func__, val);
- queue_delayed_work(system_unbound_wq,
+ queue_delayed_work(system_dfl_wq,
&hdmirx_dev->delayed_work_hotplug,
msecs_to_jiffies(10));
@@ -2441,7 +2441,7 @@ static void hdmirx_enable_irq(struct device *dev)
enable_irq(hdmirx_dev->dma_irq);
enable_irq(hdmirx_dev->det_irq);
- queue_delayed_work(system_unbound_wq,
+ queue_delayed_work(system_dfl_wq,
&hdmirx_dev->delayed_work_hotplug,
msecs_to_jiffies(110));
}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index b44d134e7105..87eeb8607b60 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -5292,7 +5292,7 @@ void qla24xx_sched_upd_fcport(fc_port_t *fcport)
qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
- queue_work(system_unbound_wq, &fcport->reg_work);
+ queue_work(system_dfl_wq, &fcport->reg_work);
}
static
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 9c347c64c315..e2754c1cb0a5 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -3957,7 +3957,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group)
list_del_init(&session->sess_list);
spin_unlock_irqrestore(&sesslock, flags);
- queue_work(system_unbound_wq, &session->destroy_work);
+ queue_work(system_dfl_wq, &session->destroy_work);
}
break;
case ISCSI_UEVENT_UNBIND_SESSION:
diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_power.c
index ae59bf16659a..6145c4fe192e 100644
--- a/drivers/soc/xilinx/zynqmp_power.c
+++ b/drivers/soc/xilinx/zynqmp_power.c
@@ -82,7 +82,7 @@ static void subsystem_restart_event_callback(const u32 *payload, void *data)
memcpy(zynqmp_pm_init_restart_work->args, &payload[0],
sizeof(zynqmp_pm_init_restart_work->args));
- queue_work(system_unbound_wq, &zynqmp_pm_init_restart_work->callback_work);
+ queue_work(system_dfl_wq, &zynqmp_pm_init_restart_work->callback_work);
}
static void suspend_event_callback(const u32 *payload, void *data)
@@ -95,7 +95,7 @@ static void suspend_event_callback(const u32 *payload, void *data)
memcpy(zynqmp_pm_init_suspend_work->args, &payload[1],
sizeof(zynqmp_pm_init_suspend_work->args));
- queue_work(system_unbound_wq, &zynqmp_pm_init_suspend_work->callback_work);
+ queue_work(system_dfl_wq, &zynqmp_pm_init_suspend_work->callback_work);
}
static irqreturn_t zynqmp_pm_isr(int irq, void *data)
@@ -140,7 +140,7 @@ static void ipi_receive_callback(struct mbox_client *cl, void *data)
memcpy(zynqmp_pm_init_suspend_work->args, &payload[1],
sizeof(zynqmp_pm_init_suspend_work->args));
- queue_work(system_unbound_wq,
+ queue_work(system_dfl_wq,
&zynqmp_pm_init_suspend_work->callback_work);
/* Send NULL message to mbox controller to ack the message */
diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index 3b89b5a70331..b8457477cee9 100644
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -730,7 +730,7 @@ static int tgt_agent_rw_orb_pointer(struct fw_card *card, int tcode, void *data,
pr_debug("tgt_agent ORB_POINTER write: 0x%llx\n",
agent->orb_pointer);
- queue_work(system_unbound_wq, &agent->work);
+ queue_work(system_dfl_wq, &agent->work);
return RCODE_COMPLETE;
@@ -764,7 +764,7 @@ static int tgt_agent_rw_doorbell(struct fw_card *card, int tcode, void *data,
pr_debug("tgt_agent DOORBELL\n");
- queue_work(system_unbound_wq, &agent->work);
+ queue_work(system_dfl_wq, &agent->work);
return RCODE_COMPLETE;
@@ -990,7 +990,7 @@ static void tgt_agent_fetch_work(struct work_struct *work)
if (tgt_agent_check_active(agent) && !doorbell) {
INIT_WORK(&req->work, tgt_agent_process_work);
- queue_work(system_unbound_wq, &req->work);
+ queue_work(system_dfl_wq, &req->work);
} else {
/* don't process this request, just check next_ORB */
sbp_free_request(req);
@@ -1618,7 +1618,7 @@ static void sbp_mgt_agent_rw(struct fw_card *card,
agent->orb_offset = sbp2_pointer_to_addr(ptr);
agent->request = req;
- queue_work(system_unbound_wq, &agent->work);
+ queue_work(system_dfl_wq, &agent->work);
rcode = RCODE_COMPLETE;
} else if (tcode == TCODE_READ_BLOCK_REQUEST) {
addr_to_sbp2_pointer(agent->orb_offset, ptr);
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 1902f29444a1..50a5ee546373 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -361,7 +361,7 @@ static int dw8250_clk_notifier_cb(struct notifier_block *nb,
* deferred event handling complication.
*/
if (event == POST_RATE_CHANGE) {
- queue_work(system_unbound_wq, &d->clk_work);
+ queue_work(system_dfl_wq, &d->clk_work);
return NOTIFY_OK;
}
@@ -678,7 +678,7 @@ static int dw8250_probe(struct platform_device *pdev)
err = clk_notifier_register(data->clk, &data->clk_notifier);
if (err)
return dev_err_probe(dev, err, "Failed to set the clock notifier\n");
- queue_work(system_unbound_wq, &data->clk_work);
+ queue_work(system_dfl_wq, &data->clk_work);
}
platform_set_drvdata(pdev, data);
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 79f0ff94ce00..60066ece9d96 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -76,7 +76,7 @@ void tty_buffer_unlock_exclusive(struct tty_port *port)
mutex_unlock(&buf->lock);
if (restart)
- queue_work(system_unbound_wq, &buf->work);
+ queue_work(system_dfl_wq, &buf->work);
}
EXPORT_SYMBOL_GPL(tty_buffer_unlock_exclusive);
@@ -531,7 +531,7 @@ void tty_flip_buffer_push(struct tty_port *port)
struct tty_bufhead *buf = &port->buf;
tty_flip_buffer_commit(buf->tail);
- queue_work(system_unbound_wq, &buf->work);
+ queue_work(system_dfl_wq, &buf->work);
}
EXPORT_SYMBOL(tty_flip_buffer_push);
@@ -561,7 +561,7 @@ int tty_insert_flip_string_and_push_buffer(struct tty_port *port,
tty_flip_buffer_commit(buf->tail);
spin_unlock_irqrestore(&port->lock, flags);
- queue_work(system_unbound_wq, &buf->work);
+ queue_work(system_dfl_wq, &buf->work);
return size;
}
@@ -614,7 +614,7 @@ void tty_buffer_set_lock_subclass(struct tty_port *port)
bool tty_buffer_restart_work(struct tty_port *port)
{
- return queue_work(system_unbound_wq, &port->buf.work);
+ return queue_work(system_dfl_wq, &port->buf.work);
}
bool tty_buffer_cancel_work(struct tty_port *port)
--
2.51.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH 2/3] drivers: replace use of system_wq with system_percpu_wq
2025-09-05 8:57 [PATCH 0/3] drivers: replace wq users and add WQ_PERCPU to alloc_workqueue() users Marco Crivellari
2025-09-05 8:57 ` [PATCH 1/3] drivers: replace use of system_unbound_wq with system_dfl_wq Marco Crivellari
@ 2025-09-05 8:58 ` Marco Crivellari
2025-09-05 8:58 ` [PATCH 3/3] drivers: WQ_PERCPU added to alloc_workqueue users Marco Crivellari
2 siblings, 0 replies; 4+ messages in thread
From: Marco Crivellari @ 2025-09-05 8:58 UTC (permalink / raw)
To: linux-kernel
Cc: Tejun Heo, Lai Jiangshan, Frederic Weisbecker,
Sebastian Andrzej Siewior, Marco Crivellari, Michal Hocko,
Greg Kroah-Hartman, Jakub Kicinski, Alex Deucher
Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistentcy cannot be addressed without refactoring the API.
system_unbound_wq should be the default workqueue so as not to enforce
locality constraints for random work whenever it's not required.
Adding system_dfl_wq to encourage its use when unbound work should be used.
queue_work() / queue_delayed_work() / mod_delayed_work() will now use the
new unbound wq: whether the user still use the old wq a warn will be
printed along with a wq redirect to the new one.
The old system_unbound_wq will be kept for a few release cycles.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
---
drivers/accel/ivpu/ivpu_hw_btrs.c | 2 +-
drivers/accel/ivpu/ivpu_ipc.c | 2 +-
drivers/accel/ivpu/ivpu_job.c | 2 +-
drivers/accel/ivpu/ivpu_mmu.c | 2 +-
drivers/accel/ivpu/ivpu_pm.c | 2 +-
drivers/acpi/osl.c | 2 +-
drivers/base/devcoredump.c | 2 +-
drivers/cxl/pci.c | 2 +-
drivers/extcon/extcon-intel-int3496.c | 4 ++--
drivers/gpio/gpiolib-cdev.c | 4 ++--
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++--
drivers/gpu/drm/bridge/ite-it6505.c | 2 +-
drivers/gpu/drm/bridge/ti-tfp410.c | 2 +-
drivers/gpu/drm/drm_probe_helper.c | 2 +-
drivers/gpu/drm/drm_self_refresh_helper.c | 2 +-
drivers/gpu/drm/exynos/exynos_hdmi.c | 2 +-
drivers/gpu/drm/i915/i915_driver.c | 2 +-
drivers/gpu/drm/i915/i915_drv.h | 2 +-
.../gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 4 ++--
drivers/gpu/drm/scheduler/sched_main.c | 2 +-
drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 2 +-
drivers/gpu/drm/vc4/vc4_hdmi.c | 4 ++--
drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c | 6 +++---
drivers/gpu/drm/xe/xe_pt.c | 2 +-
drivers/iio/adc/pac1934.c | 2 +-
drivers/input/keyboard/gpio_keys.c | 2 +-
drivers/input/misc/palmas-pwrbutton.c | 2 +-
drivers/input/mouse/synaptics_i2c.c | 8 ++++----
drivers/leds/trigger/ledtrig-input-events.c | 2 +-
drivers/md/bcache/super.c | 20 +++++++++----------
drivers/mmc/host/mtk-sd.c | 4 ++--
drivers/nvdimm/security.c | 4 ++--
drivers/nvme/target/admin-cmd.c | 2 +-
drivers/nvme/target/fabrics-cmd-auth.c | 2 +-
drivers/pci/endpoint/pci-ep-cfs.c | 2 +-
drivers/phy/allwinner/phy-sun4i-usb.c | 14 ++++++-------
.../platform/cznic/turris-omnia-mcu-gpio.c | 2 +-
.../surface/aggregator/ssh_packet_layer.c | 2 +-
.../surface/aggregator/ssh_request_layer.c | 2 +-
drivers/platform/x86/gpd-pocket-fan.c | 4 ++--
.../x86/x86-android-tablets/vexia_atla10_ec.c | 2 +-
drivers/ras/cec.c | 2 +-
drivers/regulator/irq_helpers.c | 2 +-
drivers/regulator/qcom-labibb-regulator.c | 4 ++--
drivers/thunderbolt/tb.c | 2 +-
drivers/usb/dwc3/gadget.c | 2 +-
drivers/usb/host/xhci-dbgcap.c | 8 ++++----
drivers/usb/host/xhci-ring.c | 2 +-
drivers/xen/events/events_base.c | 6 +++---
49 files changed, 83 insertions(+), 83 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_hw_btrs.c b/drivers/accel/ivpu/ivpu_hw_btrs.c
index 56c56012b980..62f9dd7dceed 100644
--- a/drivers/accel/ivpu/ivpu_hw_btrs.c
+++ b/drivers/accel/ivpu/ivpu_hw_btrs.c
@@ -630,7 +630,7 @@ bool ivpu_hw_btrs_irq_handler_lnl(struct ivpu_device *vdev, int irq)
if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, SURV_ERR, status)) {
ivpu_dbg(vdev, IRQ, "Survivability IRQ\n");
- queue_work(system_wq, &vdev->irq_dct_work);
+ queue_work(system_percpu_wq, &vdev->irq_dct_work);
}
if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, FREQ_CHANGE, status))
diff --git a/drivers/accel/ivpu/ivpu_ipc.c b/drivers/accel/ivpu/ivpu_ipc.c
index 0e096fd9b95d..247dbb64b4d5 100644
--- a/drivers/accel/ivpu/ivpu_ipc.c
+++ b/drivers/accel/ivpu/ivpu_ipc.c
@@ -459,7 +459,7 @@ void ivpu_ipc_irq_handler(struct ivpu_device *vdev)
}
}
- queue_work(system_wq, &vdev->irq_ipc_work);
+ queue_work(system_percpu_wq, &vdev->irq_ipc_work);
}
void ivpu_ipc_irq_work_fn(struct work_struct *work)
diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c
index 004059e4f1e8..f63eba4c9d9f 100644
--- a/drivers/accel/ivpu/ivpu_job.c
+++ b/drivers/accel/ivpu/ivpu_job.c
@@ -549,7 +549,7 @@ static int ivpu_job_signal_and_destroy(struct ivpu_device *vdev, u32 job_id, u32
* status and ensure both are handled in the same way
*/
job->file_priv->has_mmu_faults = true;
- queue_work(system_wq, &vdev->context_abort_work);
+ queue_work(system_percpu_wq, &vdev->context_abort_work);
return 0;
}
diff --git a/drivers/accel/ivpu/ivpu_mmu.c b/drivers/accel/ivpu/ivpu_mmu.c
index 5ea010568faa..e1baf6b64935 100644
--- a/drivers/accel/ivpu/ivpu_mmu.c
+++ b/drivers/accel/ivpu/ivpu_mmu.c
@@ -970,7 +970,7 @@ void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev)
}
}
- queue_work(system_wq, &vdev->context_abort_work);
+ queue_work(system_percpu_wq, &vdev->context_abort_work);
}
void ivpu_mmu_evtq_dump(struct ivpu_device *vdev)
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index 118e6ca9a3de..f6a5c494621e 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -198,7 +198,7 @@ void ivpu_start_job_timeout_detection(struct ivpu_device *vdev)
unsigned long timeout_ms = ivpu_tdr_timeout_ms ? ivpu_tdr_timeout_ms : vdev->timeout.tdr;
/* No-op if already queued */
- queue_delayed_work(system_wq, &vdev->pm->job_timeout_work, msecs_to_jiffies(timeout_ms));
+ queue_delayed_work(system_percpu_wq, &vdev->pm->job_timeout_work, msecs_to_jiffies(timeout_ms));
}
void ivpu_stop_job_timeout_detection(struct ivpu_device *vdev)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 5ff343096ece..a79a5d47bdb8 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -398,7 +398,7 @@ static void acpi_os_drop_map_ref(struct acpi_ioremap *map)
list_del_rcu(&map->list);
INIT_RCU_WORK(&map->track.rwork, acpi_os_map_remove);
- queue_rcu_work(system_wq, &map->track.rwork);
+ queue_rcu_work(system_percpu_wq, &map->track.rwork);
}
/**
diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c
index 03a39c417dc4..8c4844ad7c6b 100644
--- a/drivers/base/devcoredump.c
+++ b/drivers/base/devcoredump.c
@@ -125,7 +125,7 @@ static ssize_t devcd_data_write(struct file *filp, struct kobject *kobj,
mutex_lock(&devcd->mutex);
if (!devcd->delete_work) {
devcd->delete_work = true;
- mod_delayed_work(system_wq, &devcd->del_wk, 0);
+ mod_delayed_work(system_percpu_wq, &devcd->del_wk, 0);
}
mutex_unlock(&devcd->mutex);
diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index 7b14a154463c..c610551b41bf 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -136,7 +136,7 @@ static irqreturn_t cxl_pci_mbox_irq(int irq, void *id)
if (opcode == CXL_MBOX_OP_SANITIZE) {
mutex_lock(&cxl_mbox->mbox_mutex);
if (mds->security.sanitize_node)
- mod_delayed_work(system_wq, &mds->security.poll_dwork, 0);
+ mod_delayed_work(system_percpu_wq, &mds->security.poll_dwork, 0);
mutex_unlock(&cxl_mbox->mbox_mutex);
} else {
/* short-circuit the wait in __cxl_pci_mbox_send_cmd() */
diff --git a/drivers/extcon/extcon-intel-int3496.c b/drivers/extcon/extcon-intel-int3496.c
index ded1a85a5549..7d16d5b7d58f 100644
--- a/drivers/extcon/extcon-intel-int3496.c
+++ b/drivers/extcon/extcon-intel-int3496.c
@@ -106,7 +106,7 @@ static irqreturn_t int3496_thread_isr(int irq, void *priv)
struct int3496_data *data = priv;
/* Let the pin settle before processing it */
- mod_delayed_work(system_wq, &data->work, DEBOUNCE_TIME);
+ mod_delayed_work(system_percpu_wq, &data->work, DEBOUNCE_TIME);
return IRQ_HANDLED;
}
@@ -181,7 +181,7 @@ static int int3496_probe(struct platform_device *pdev)
}
/* process id-pin so that we start with the right status */
- queue_delayed_work(system_wq, &data->work, 0);
+ queue_delayed_work(system_percpu_wq, &data->work, 0);
flush_delayed_work(&data->work);
platform_set_drvdata(pdev, data);
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 107d75558b5a..3e9c037ff4cd 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -700,7 +700,7 @@ static enum hte_return process_hw_ts(struct hte_ts_data *ts, void *p)
if (READ_ONCE(line->sw_debounced)) {
line->total_discard_seq++;
line->last_seqno = ts->seq;
- mod_delayed_work(system_wq, &line->work,
+ mod_delayed_work(system_percpu_wq, &line->work,
usecs_to_jiffies(READ_ONCE(line->desc->debounce_period_us)));
} else {
if (unlikely(ts->seq < line->line_seqno))
@@ -841,7 +841,7 @@ static irqreturn_t debounce_irq_handler(int irq, void *p)
{
struct line *line = p;
- mod_delayed_work(system_wq, &line->work,
+ mod_delayed_work(system_percpu_wq, &line->work,
usecs_to_jiffies(READ_ONCE(line->desc->debounce_period_us)));
return IRQ_HANDLED;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d4a2886d8c58..14ebfcd1636a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4610,7 +4610,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
}
/* must succeed. */
amdgpu_ras_resume(adev);
- queue_delayed_work(system_wq, &adev->delayed_init_work,
+ queue_delayed_work(system_percpu_wq, &adev->delayed_init_work,
msecs_to_jiffies(AMDGPU_RESUME_MS));
}
@@ -5085,7 +5085,7 @@ int amdgpu_device_resume(struct drm_device *dev, bool notify_clients)
if (r)
goto exit;
- queue_delayed_work(system_wq, &adev->delayed_init_work,
+ queue_delayed_work(system_percpu_wq, &adev->delayed_init_work,
msecs_to_jiffies(AMDGPU_RESUME_MS));
exit:
if (amdgpu_sriov_vf(adev)) {
diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
index 8a607558ac89..433e6620dad8 100644
--- a/drivers/gpu/drm/bridge/ite-it6505.c
+++ b/drivers/gpu/drm/bridge/ite-it6505.c
@@ -2082,7 +2082,7 @@ static void it6505_start_hdcp(struct it6505 *it6505)
DRM_DEV_DEBUG_DRIVER(dev, "start");
it6505_reset_hdcp(it6505);
- queue_delayed_work(system_wq, &it6505->hdcp_work,
+ queue_delayed_work(system_percpu_wq, &it6505->hdcp_work,
msecs_to_jiffies(2400));
}
diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c
index 79ab5da827e1..d798c951ddcc 100644
--- a/drivers/gpu/drm/bridge/ti-tfp410.c
+++ b/drivers/gpu/drm/bridge/ti-tfp410.c
@@ -115,7 +115,7 @@ static void tfp410_hpd_callback(void *arg, enum drm_connector_status status)
{
struct tfp410 *dvi = arg;
- mod_delayed_work(system_wq, &dvi->hpd_work,
+ mod_delayed_work(system_percpu_wq, &dvi->hpd_work,
msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
}
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 7ba16323e7c2..30e8d3467c83 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -625,7 +625,7 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
*/
dev->mode_config.delayed_event = true;
if (dev->mode_config.poll_enabled)
- mod_delayed_work(system_wq,
+ mod_delayed_work(system_percpu_wq,
&dev->mode_config.output_poll_work,
0);
}
diff --git a/drivers/gpu/drm/drm_self_refresh_helper.c b/drivers/gpu/drm/drm_self_refresh_helper.c
index dd33fec5aabd..12f5af633da3 100644
--- a/drivers/gpu/drm/drm_self_refresh_helper.c
+++ b/drivers/gpu/drm/drm_self_refresh_helper.c
@@ -217,7 +217,7 @@ void drm_self_refresh_helper_alter_state(struct drm_atomic_state *state)
ewma_psr_time_read(&sr_data->exit_avg_ms)) * 2;
mutex_unlock(&sr_data->avg_mutex);
- mod_delayed_work(system_wq, &sr_data->entry_work,
+ mod_delayed_work(system_percpu_wq, &sr_data->entry_work,
msecs_to_jiffies(delay));
}
}
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 01813e11e6c6..8e76ac8ee4e2 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1692,7 +1692,7 @@ static irqreturn_t hdmi_irq_thread(int irq, void *arg)
{
struct hdmi_context *hdata = arg;
- mod_delayed_work(system_wq, &hdata->hotplug_work,
+ mod_delayed_work(system_percpu_wq, &hdata->hotplug_work,
msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
return IRQ_HANDLED;
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index ce3cc93ea211..79b98ba4104e 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -141,7 +141,7 @@ static int i915_workqueues_init(struct drm_i915_private *dev_priv)
/*
* The unordered i915 workqueue should be used for all work
* scheduling that do not require running in order, which used
- * to be scheduled on the system_wq before moving to a driver
+ * to be scheduled on the system_percpu_wq before moving to a driver
* instance due deprecation of flush_scheduled_work().
*/
dev_priv->unordered_wq = alloc_workqueue("i915-unordered", 0, 0);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ffc346379cc2..b2c194b17eae 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -264,7 +264,7 @@ struct drm_i915_private {
*
* This workqueue should be used for all unordered work
* scheduling within i915, which used to be scheduled on the
- * system_wq before moving to a driver instance due
+ * system_percpu_wq before moving to a driver instance due
* deprecation of flush_scheduled_work().
*/
struct workqueue_struct *unordered_wq;
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
index 3d1dddb34603..b115fe655a4b 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
@@ -274,7 +274,7 @@ static irqreturn_t dw_hdmi_qp_rk3576_irq(int irq, void *dev_id)
val = HIWORD_UPDATE(RK3576_HDMI_HPD_INT_CLR, RK3576_HDMI_HPD_INT_CLR);
regmap_write(hdmi->regmap, RK3576_IOC_MISC_CON0, val);
- mod_delayed_work(system_wq, &hdmi->hpd_work,
+ mod_delayed_work(system_percpu_wq, &hdmi->hpd_work,
msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
val = HIWORD_UPDATE(0, RK3576_HDMI_HPD_INT_MSK);
@@ -321,7 +321,7 @@ static irqreturn_t dw_hdmi_qp_rk3588_irq(int irq, void *dev_id)
RK3588_HDMI0_HPD_INT_CLR);
regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val);
- mod_delayed_work(system_wq, &hdmi->hpd_work,
+ mod_delayed_work(system_percpu_wq, &hdmi->hpd_work,
msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
if (hdmi->port_id)
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index bfea608a7106..d3c0a1ca0b2c 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -1260,7 +1260,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched, const struct drm_sched_init_
sched->name = args->name;
sched->timeout = args->timeout;
sched->hang_limit = args->hang_limit;
- sched->timeout_wq = args->timeout_wq ? args->timeout_wq : system_wq;
+ sched->timeout_wq = args->timeout_wq ? args->timeout_wq : system_percpu_wq;
sched->score = args->score ? args->score : &sched->_score;
sched->dev = args->dev;
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index b5f60b2b2d0e..57518a4ab4e1 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -985,7 +985,7 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
dev_err(dev->dev,
"%s(0x%08x): Sync lost flood detected, recovering",
__func__, stat);
- queue_work(system_wq,
+ queue_work(system_percpu_wq,
&tilcdc_crtc->recover_work);
tilcdc_write(dev, LCDC_INT_ENABLE_CLR_REG,
LCDC_SYNC_LOST);
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 37238a12baa5..4ee5f4d6371e 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -744,7 +744,7 @@ static void vc4_hdmi_enable_scrambling(struct drm_encoder *encoder)
vc4_hdmi->scdc_enabled = true;
- queue_delayed_work(system_wq, &vc4_hdmi->scrambling_work,
+ queue_delayed_work(system_percpu_wq, &vc4_hdmi->scrambling_work,
msecs_to_jiffies(SCRAMBLING_POLLING_DELAY_MS));
}
@@ -793,7 +793,7 @@ static void vc4_hdmi_scrambling_wq(struct work_struct *work)
drm_scdc_set_high_tmds_clock_ratio(connector, true);
drm_scdc_set_scrambling(connector, true);
- queue_delayed_work(system_wq, &vc4_hdmi->scrambling_work,
+ queue_delayed_work(system_percpu_wq, &vc4_hdmi->scrambling_work,
msecs_to_jiffies(SCRAMBLING_POLLING_DELAY_MS));
}
diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
index 03072e094991..2b27621a36e5 100644
--- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
+++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
@@ -99,7 +99,7 @@ static void xe_gt_tlb_fence_timeout(struct work_struct *work)
invalidation_fence_signal(xe, fence);
}
if (!list_empty(>->tlb_invalidation.pending_fences))
- queue_delayed_work(system_wq,
+ queue_delayed_work(system_percpu_wq,
>->tlb_invalidation.fence_tdr,
tlb_timeout_jiffies(gt));
spin_unlock_irq(>->tlb_invalidation.pending_lock);
@@ -218,7 +218,7 @@ static int send_tlb_invalidation(struct xe_guc *guc,
>->tlb_invalidation.pending_fences);
if (list_is_singular(>->tlb_invalidation.pending_fences))
- queue_delayed_work(system_wq,
+ queue_delayed_work(system_percpu_wq,
>->tlb_invalidation.fence_tdr,
tlb_timeout_jiffies(gt));
}
@@ -512,7 +512,7 @@ int xe_guc_tlb_invalidation_done_handler(struct xe_guc *guc, u32 *msg, u32 len)
}
if (!list_empty(>->tlb_invalidation.pending_fences))
- mod_delayed_work(system_wq,
+ mod_delayed_work(system_percpu_wq,
>->tlb_invalidation.fence_tdr,
tlb_timeout_jiffies(gt));
else
diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c
index ffaf0d02dc7d..228e25e98be1 100644
--- a/drivers/gpu/drm/xe/xe_pt.c
+++ b/drivers/gpu/drm/xe/xe_pt.c
@@ -1474,7 +1474,7 @@ static void invalidation_fence_cb(struct dma_fence *fence,
trace_xe_gt_tlb_invalidation_fence_cb(xe, &ifence->base);
if (!ifence->fence->error) {
- queue_work(system_wq, &ifence->work);
+ queue_work(system_percpu_wq, &ifence->work);
} else {
ifence->base.base.error = ifence->fence->error;
xe_gt_tlb_invalidation_fence_signal(&ifence->base);
diff --git a/drivers/iio/adc/pac1934.c b/drivers/iio/adc/pac1934.c
index 20802b7f49ea..77f4679aadbd 100644
--- a/drivers/iio/adc/pac1934.c
+++ b/drivers/iio/adc/pac1934.c
@@ -767,7 +767,7 @@ static int pac1934_retrieve_data(struct pac1934_chip_info *info,
* Re-schedule the work for the read registers on timeout
* (to prevent chip registers saturation)
*/
- mod_delayed_work(system_wq, &info->work_chip_rfsh,
+ mod_delayed_work(system_percpu_wq, &info->work_chip_rfsh,
msecs_to_jiffies(PAC1934_MAX_RFSH_LIMIT_MS));
}
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 5c39a217b94c..815f58e70671 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -434,7 +434,7 @@ static irqreturn_t gpio_keys_gpio_isr(int irq, void *dev_id)
ms_to_ktime(bdata->software_debounce),
HRTIMER_MODE_REL);
} else {
- mod_delayed_work(system_wq,
+ mod_delayed_work(system_percpu_wq,
&bdata->work,
msecs_to_jiffies(bdata->software_debounce));
}
diff --git a/drivers/input/misc/palmas-pwrbutton.c b/drivers/input/misc/palmas-pwrbutton.c
index 39fc451c56e9..2d471165334a 100644
--- a/drivers/input/misc/palmas-pwrbutton.c
+++ b/drivers/input/misc/palmas-pwrbutton.c
@@ -91,7 +91,7 @@ static irqreturn_t pwron_irq(int irq, void *palmas_pwron)
pm_wakeup_event(input_dev->dev.parent, 0);
input_sync(input_dev);
- mod_delayed_work(system_wq, &pwron->input_work,
+ mod_delayed_work(system_percpu_wq, &pwron->input_work,
msecs_to_jiffies(PALMAS_PWR_KEY_Q_TIME_MS));
return IRQ_HANDLED;
diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c
index a0d707e47d93..d42c562c05e3 100644
--- a/drivers/input/mouse/synaptics_i2c.c
+++ b/drivers/input/mouse/synaptics_i2c.c
@@ -372,7 +372,7 @@ static irqreturn_t synaptics_i2c_irq(int irq, void *dev_id)
{
struct synaptics_i2c *touch = dev_id;
- mod_delayed_work(system_wq, &touch->dwork, 0);
+ mod_delayed_work(system_percpu_wq, &touch->dwork, 0);
return IRQ_HANDLED;
}
@@ -448,7 +448,7 @@ static void synaptics_i2c_work_handler(struct work_struct *work)
* We poll the device once in THREAD_IRQ_SLEEP_SECS and
* if error is detected, we try to reset and reconfigure the touchpad.
*/
- mod_delayed_work(system_wq, &touch->dwork, delay);
+ mod_delayed_work(system_percpu_wq, &touch->dwork, delay);
}
static int synaptics_i2c_open(struct input_dev *input)
@@ -461,7 +461,7 @@ static int synaptics_i2c_open(struct input_dev *input)
return ret;
if (polling_req)
- mod_delayed_work(system_wq, &touch->dwork,
+ mod_delayed_work(system_percpu_wq, &touch->dwork,
msecs_to_jiffies(NO_DATA_SLEEP_MSECS));
return 0;
@@ -620,7 +620,7 @@ static int synaptics_i2c_resume(struct device *dev)
if (ret)
return ret;
- mod_delayed_work(system_wq, &touch->dwork,
+ mod_delayed_work(system_percpu_wq, &touch->dwork,
msecs_to_jiffies(NO_DATA_SLEEP_MSECS));
return 0;
diff --git a/drivers/leds/trigger/ledtrig-input-events.c b/drivers/leds/trigger/ledtrig-input-events.c
index 1c79731562c2..3c6414259c27 100644
--- a/drivers/leds/trigger/ledtrig-input-events.c
+++ b/drivers/leds/trigger/ledtrig-input-events.c
@@ -66,7 +66,7 @@ static void input_events_event(struct input_handle *handle, unsigned int type,
spin_unlock_irqrestore(&data->lock, flags);
- mod_delayed_work(system_wq, &data->work, led_off_delay);
+ mod_delayed_work(system_percpu_wq, &data->work, led_off_delay);
}
static int input_events_connect(struct input_handler *handler, struct input_dev *dev,
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index e42f1400cea9..de0a8e5f5c49 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1388,7 +1388,7 @@ static CLOSURE_CALLBACK(cached_dev_flush)
bch_cache_accounting_destroy(&dc->accounting);
kobject_del(&d->kobj);
- continue_at(cl, cached_dev_free, system_wq);
+ continue_at(cl, cached_dev_free, system_percpu_wq);
}
static int cached_dev_init(struct cached_dev *dc, unsigned int block_size)
@@ -1400,7 +1400,7 @@ static int cached_dev_init(struct cached_dev *dc, unsigned int block_size)
__module_get(THIS_MODULE);
INIT_LIST_HEAD(&dc->list);
closure_init(&dc->disk.cl, NULL);
- set_closure_fn(&dc->disk.cl, cached_dev_flush, system_wq);
+ set_closure_fn(&dc->disk.cl, cached_dev_flush, system_percpu_wq);
kobject_init(&dc->disk.kobj, &bch_cached_dev_ktype);
INIT_WORK(&dc->detach, cached_dev_detach_finish);
sema_init(&dc->sb_write_mutex, 1);
@@ -1513,7 +1513,7 @@ static CLOSURE_CALLBACK(flash_dev_flush)
bcache_device_unlink(d);
mutex_unlock(&bch_register_lock);
kobject_del(&d->kobj);
- continue_at(cl, flash_dev_free, system_wq);
+ continue_at(cl, flash_dev_free, system_percpu_wq);
}
static int flash_dev_run(struct cache_set *c, struct uuid_entry *u)
@@ -1525,7 +1525,7 @@ static int flash_dev_run(struct cache_set *c, struct uuid_entry *u)
goto err_ret;
closure_init(&d->cl, NULL);
- set_closure_fn(&d->cl, flash_dev_flush, system_wq);
+ set_closure_fn(&d->cl, flash_dev_flush, system_percpu_wq);
kobject_init(&d->kobj, &bch_flash_dev_ktype);
@@ -1828,7 +1828,7 @@ static CLOSURE_CALLBACK(__cache_set_unregister)
mutex_unlock(&bch_register_lock);
- continue_at(cl, cache_set_flush, system_wq);
+ continue_at(cl, cache_set_flush, system_percpu_wq);
}
void bch_cache_set_stop(struct cache_set *c)
@@ -1858,10 +1858,10 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
__module_get(THIS_MODULE);
closure_init(&c->cl, NULL);
- set_closure_fn(&c->cl, cache_set_free, system_wq);
+ set_closure_fn(&c->cl, cache_set_free, system_percpu_wq);
closure_init(&c->caching, &c->cl);
- set_closure_fn(&c->caching, __cache_set_unregister, system_wq);
+ set_closure_fn(&c->caching, __cache_set_unregister, system_percpu_wq);
/* Maybe create continue_at_noreturn() and use it here? */
closure_set_stopped(&c->cl);
@@ -2493,7 +2493,7 @@ static void register_device_async(struct async_reg_args *args)
INIT_DELAYED_WORK(&args->reg_work, register_cache_worker);
/* 10 jiffies is enough for a delay */
- queue_delayed_work(system_wq, &args->reg_work, 10);
+ queue_delayed_work(system_percpu_wq, &args->reg_work, 10);
}
static void *alloc_holder_object(struct cache_sb *sb)
@@ -2874,11 +2874,11 @@ static int __init bcache_init(void)
/*
* Let's not make this `WQ_MEM_RECLAIM` for the following reasons:
*
- * 1. It used `system_wq` before which also does no memory reclaim.
+ * 1. It used `system_percpu_wq` before which also does no memory reclaim.
* 2. With `WQ_MEM_RECLAIM` desktop stalls, increased boot times, and
* reduced throughput can be observed.
*
- * We still want to user our own queue to not congest the `system_wq`.
+ * We still want to user our own queue to not congest the `system_percpu_wq`.
*/
bch_flush_wq = alloc_workqueue("bch_flush", 0, 0);
if (!bch_flush_wq)
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 345ea91629e0..f99fdef0253d 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -1190,7 +1190,7 @@ static void msdc_start_data(struct msdc_host *host, struct mmc_command *cmd,
host->data = data;
read = data->flags & MMC_DATA_READ;
- mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT);
+ mod_delayed_work(system_percpu_wq, &host->req_timeout, DAT_TIMEOUT);
msdc_dma_setup(host, &host->dma, data);
sdr_set_bits(host->base + MSDC_INTEN, data_ints_mask);
sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_START, 1);
@@ -1420,7 +1420,7 @@ static void msdc_start_command(struct msdc_host *host,
WARN_ON(host->cmd);
host->cmd = cmd;
- mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT);
+ mod_delayed_work(system_percpu_wq, &host->req_timeout, DAT_TIMEOUT);
if (!msdc_cmd_is_ready(host, mrq, cmd))
return;
diff --git a/drivers/nvdimm/security.c b/drivers/nvdimm/security.c
index a03e3c45f297..c8095cd1cf1c 100644
--- a/drivers/nvdimm/security.c
+++ b/drivers/nvdimm/security.c
@@ -427,7 +427,7 @@ static int security_overwrite(struct nvdimm *nvdimm, unsigned int keyid)
* query.
*/
get_device(dev);
- queue_delayed_work(system_wq, &nvdimm->dwork, 0);
+ queue_delayed_work(system_percpu_wq, &nvdimm->dwork, 0);
}
return rc;
@@ -460,7 +460,7 @@ static void __nvdimm_security_overwrite_query(struct nvdimm *nvdimm)
/* setup delayed work again */
tmo += 10;
- queue_delayed_work(system_wq, &nvdimm->dwork, tmo * HZ);
+ queue_delayed_work(system_percpu_wq, &nvdimm->dwork, tmo * HZ);
nvdimm->sec.overwrite_tmo = min(15U * 60U, tmo);
return;
}
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index acc138bbf8f2..af3ec44a6490 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -1613,7 +1613,7 @@ void nvmet_execute_keep_alive(struct nvmet_req *req)
pr_debug("ctrl %d update keep-alive timer for %d secs\n",
ctrl->cntlid, ctrl->kato);
- mod_delayed_work(system_wq, &ctrl->ka_work, ctrl->kato * HZ);
+ mod_delayed_work(system_percpu_wq, &ctrl->ka_work, ctrl->kato * HZ);
out:
nvmet_req_complete(req, status);
}
diff --git a/drivers/nvme/target/fabrics-cmd-auth.c b/drivers/nvme/target/fabrics-cmd-auth.c
index bf01ec414c55..8f504bf891de 100644
--- a/drivers/nvme/target/fabrics-cmd-auth.c
+++ b/drivers/nvme/target/fabrics-cmd-auth.c
@@ -390,7 +390,7 @@ void nvmet_execute_auth_send(struct nvmet_req *req)
req->sq->dhchap_step != NVME_AUTH_DHCHAP_MESSAGE_FAILURE2) {
unsigned long auth_expire_secs = ctrl->kato ? ctrl->kato : 120;
- mod_delayed_work(system_wq, &req->sq->auth_expired_work,
+ mod_delayed_work(system_percpu_wq, &req->sq->auth_expired_work,
auth_expire_secs * HZ);
goto complete;
}
diff --git a/drivers/pci/endpoint/pci-ep-cfs.c b/drivers/pci/endpoint/pci-ep-cfs.c
index d712c7a866d2..45462af6100d 100644
--- a/drivers/pci/endpoint/pci-ep-cfs.c
+++ b/drivers/pci/endpoint/pci-ep-cfs.c
@@ -638,7 +638,7 @@ static struct config_group *pci_epf_make(struct config_group *group,
kfree(epf_name);
INIT_DELAYED_WORK(&epf_group->cfs_work, pci_epf_cfs_work);
- queue_delayed_work(system_wq, &epf_group->cfs_work,
+ queue_delayed_work(system_percpu_wq, &epf_group->cfs_work,
msecs_to_jiffies(1));
return &epf_group->group;
diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
index 29b8fd4b9351..0f9887fda584 100644
--- a/drivers/phy/allwinner/phy-sun4i-usb.c
+++ b/drivers/phy/allwinner/phy-sun4i-usb.c
@@ -359,7 +359,7 @@ static int sun4i_usb_phy_init(struct phy *_phy)
/* Force ISCR and cable state updates */
data->id_det = -1;
data->vbus_det = -1;
- queue_delayed_work(system_wq, &data->detect, 0);
+ queue_delayed_work(system_percpu_wq, &data->detect, 0);
}
return 0;
@@ -482,7 +482,7 @@ static int sun4i_usb_phy_power_on(struct phy *_phy)
/* We must report Vbus high within OTG_TIME_A_WAIT_VRISE msec. */
if (phy->index == 0 && sun4i_usb_phy0_poll(data))
- mod_delayed_work(system_wq, &data->detect, DEBOUNCE_TIME);
+ mod_delayed_work(system_percpu_wq, &data->detect, DEBOUNCE_TIME);
return 0;
}
@@ -503,7 +503,7 @@ static int sun4i_usb_phy_power_off(struct phy *_phy)
* Vbus gpio to not trigger an edge irq on Vbus off, so force a rescan.
*/
if (phy->index == 0 && !sun4i_usb_phy0_poll(data))
- mod_delayed_work(system_wq, &data->detect, POLL_TIME);
+ mod_delayed_work(system_percpu_wq, &data->detect, POLL_TIME);
return 0;
}
@@ -542,7 +542,7 @@ static int sun4i_usb_phy_set_mode(struct phy *_phy,
data->id_det = -1; /* Force reprocessing of id */
data->force_session_end = true;
- queue_delayed_work(system_wq, &data->detect, 0);
+ queue_delayed_work(system_percpu_wq, &data->detect, 0);
return 0;
}
@@ -654,7 +654,7 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work)
extcon_set_state_sync(data->extcon, EXTCON_USB, vbus_det);
if (sun4i_usb_phy0_poll(data))
- queue_delayed_work(system_wq, &data->detect, POLL_TIME);
+ queue_delayed_work(system_percpu_wq, &data->detect, POLL_TIME);
}
static irqreturn_t sun4i_usb_phy0_id_vbus_det_irq(int irq, void *dev_id)
@@ -662,7 +662,7 @@ static irqreturn_t sun4i_usb_phy0_id_vbus_det_irq(int irq, void *dev_id)
struct sun4i_usb_phy_data *data = dev_id;
/* vbus or id changed, let the pins settle and then scan them */
- mod_delayed_work(system_wq, &data->detect, DEBOUNCE_TIME);
+ mod_delayed_work(system_percpu_wq, &data->detect, DEBOUNCE_TIME);
return IRQ_HANDLED;
}
@@ -676,7 +676,7 @@ static int sun4i_usb_phy0_vbus_notify(struct notifier_block *nb,
/* Properties on the vbus_power_supply changed, scan vbus_det */
if (val == PSY_EVENT_PROP_CHANGED && psy == data->vbus_power_supply)
- mod_delayed_work(system_wq, &data->detect, DEBOUNCE_TIME);
+ mod_delayed_work(system_percpu_wq, &data->detect, DEBOUNCE_TIME);
return NOTIFY_OK;
}
diff --git a/drivers/platform/cznic/turris-omnia-mcu-gpio.c b/drivers/platform/cznic/turris-omnia-mcu-gpio.c
index 5f35f7c5d5d7..18f7e1c41a86 100644
--- a/drivers/platform/cznic/turris-omnia-mcu-gpio.c
+++ b/drivers/platform/cznic/turris-omnia-mcu-gpio.c
@@ -883,7 +883,7 @@ static bool omnia_irq_read_pending_old(struct omnia_mcu *mcu,
if (status & OMNIA_STS_BUTTON_PRESSED) {
mcu->button_pressed_emul = true;
- mod_delayed_work(system_wq, &mcu->button_release_emul_work,
+ mod_delayed_work(system_percpu_wq, &mcu->button_release_emul_work,
msecs_to_jiffies(FRONT_BUTTON_RELEASE_DELAY_MS));
} else if (mcu->button_pressed_emul) {
status |= OMNIA_STS_BUTTON_PRESSED;
diff --git a/drivers/platform/surface/aggregator/ssh_packet_layer.c b/drivers/platform/surface/aggregator/ssh_packet_layer.c
index 6081b0146d5f..3dd22856570f 100644
--- a/drivers/platform/surface/aggregator/ssh_packet_layer.c
+++ b/drivers/platform/surface/aggregator/ssh_packet_layer.c
@@ -671,7 +671,7 @@ static void ssh_ptl_timeout_reaper_mod(struct ssh_ptl *ptl, ktime_t now,
/* Re-adjust / schedule reaper only if it is above resolution delta. */
if (ktime_before(aexp, ptl->rtx_timeout.expires)) {
ptl->rtx_timeout.expires = expires;
- mod_delayed_work(system_wq, &ptl->rtx_timeout.reaper, delta);
+ mod_delayed_work(system_percpu_wq, &ptl->rtx_timeout.reaper, delta);
}
spin_unlock(&ptl->rtx_timeout.lock);
diff --git a/drivers/platform/surface/aggregator/ssh_request_layer.c b/drivers/platform/surface/aggregator/ssh_request_layer.c
index 879ca9ee7ff6..a356e4956562 100644
--- a/drivers/platform/surface/aggregator/ssh_request_layer.c
+++ b/drivers/platform/surface/aggregator/ssh_request_layer.c
@@ -434,7 +434,7 @@ static void ssh_rtl_timeout_reaper_mod(struct ssh_rtl *rtl, ktime_t now,
/* Re-adjust / schedule reaper only if it is above resolution delta. */
if (ktime_before(aexp, rtl->rtx_timeout.expires)) {
rtl->rtx_timeout.expires = expires;
- mod_delayed_work(system_wq, &rtl->rtx_timeout.reaper, delta);
+ mod_delayed_work(system_percpu_wq, &rtl->rtx_timeout.reaper, delta);
}
spin_unlock(&rtl->rtx_timeout.lock);
diff --git a/drivers/platform/x86/gpd-pocket-fan.c b/drivers/platform/x86/gpd-pocket-fan.c
index 7a20f68ae206..c9236738f896 100644
--- a/drivers/platform/x86/gpd-pocket-fan.c
+++ b/drivers/platform/x86/gpd-pocket-fan.c
@@ -112,14 +112,14 @@ static void gpd_pocket_fan_worker(struct work_struct *work)
gpd_pocket_fan_set_speed(fan, speed);
/* When mostly idle (low temp/speed), slow down the poll interval. */
- queue_delayed_work(system_wq, &fan->work,
+ queue_delayed_work(system_percpu_wq, &fan->work,
msecs_to_jiffies(4000 / (speed + 1)));
}
static void gpd_pocket_fan_force_update(struct gpd_pocket_fan_data *fan)
{
fan->last_speed = -1;
- mod_delayed_work(system_wq, &fan->work, 0);
+ mod_delayed_work(system_percpu_wq, &fan->work, 0);
}
static int gpd_pocket_fan_probe(struct platform_device *pdev)
diff --git a/drivers/platform/x86/x86-android-tablets/vexia_atla10_ec.c b/drivers/platform/x86/x86-android-tablets/vexia_atla10_ec.c
index 5d02af1c5aaa..94465a62f7e7 100644
--- a/drivers/platform/x86/x86-android-tablets/vexia_atla10_ec.c
+++ b/drivers/platform/x86/x86-android-tablets/vexia_atla10_ec.c
@@ -183,7 +183,7 @@ static void atla10_ec_external_power_changed(struct power_supply *psy)
struct atla10_ec_data *data = power_supply_get_drvdata(psy);
/* After charger plug in/out wait 0.5s for things to stabilize */
- mod_delayed_work(system_wq, &data->work, HZ / 2);
+ mod_delayed_work(system_percpu_wq, &data->work, HZ / 2);
}
static const enum power_supply_property atla10_ec_psy_props[] = {
diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index e440b15fbabc..15f7f043c8ef 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -166,7 +166,7 @@ static void cec_mod_work(unsigned long interval)
unsigned long iv;
iv = interval * HZ;
- mod_delayed_work(system_wq, &cec_work, round_jiffies(iv));
+ mod_delayed_work(system_percpu_wq, &cec_work, round_jiffies(iv));
}
static void cec_work_fn(struct work_struct *work)
diff --git a/drivers/regulator/irq_helpers.c b/drivers/regulator/irq_helpers.c
index 5742faee8071..54dd19e1e94c 100644
--- a/drivers/regulator/irq_helpers.c
+++ b/drivers/regulator/irq_helpers.c
@@ -146,7 +146,7 @@ static void regulator_notifier_isr_work(struct work_struct *work)
reschedule:
if (!d->high_prio)
- mod_delayed_work(system_wq, &h->isr_work,
+ mod_delayed_work(system_percpu_wq, &h->isr_work,
msecs_to_jiffies(tmo));
else
mod_delayed_work(system_highpri_wq, &h->isr_work,
diff --git a/drivers/regulator/qcom-labibb-regulator.c b/drivers/regulator/qcom-labibb-regulator.c
index ba3f9391565f..ad65d264cfe0 100644
--- a/drivers/regulator/qcom-labibb-regulator.c
+++ b/drivers/regulator/qcom-labibb-regulator.c
@@ -230,7 +230,7 @@ static void qcom_labibb_ocp_recovery_worker(struct work_struct *work)
return;
reschedule:
- mod_delayed_work(system_wq, &vreg->ocp_recovery_work,
+ mod_delayed_work(system_percpu_wq, &vreg->ocp_recovery_work,
msecs_to_jiffies(OCP_RECOVERY_INTERVAL_MS));
}
@@ -510,7 +510,7 @@ static void qcom_labibb_sc_recovery_worker(struct work_struct *work)
* taking action is not truly urgent anymore.
*/
vreg->sc_count++;
- mod_delayed_work(system_wq, &vreg->sc_recovery_work,
+ mod_delayed_work(system_percpu_wq, &vreg->sc_recovery_work,
msecs_to_jiffies(SC_RECOVERY_INTERVAL_MS));
}
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 8c527af98927..e842dda55f71 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -2617,7 +2617,7 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
* the 10s already expired and we should
* give the reserved back to others).
*/
- mod_delayed_work(system_wq, &group->release_work,
+ mod_delayed_work(system_percpu_wq, &group->release_work,
msecs_to_jiffies(TB_RELEASE_BW_TIMEOUT));
}
}
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 47e73c4ed62d..17c6fb417231 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -3888,7 +3888,7 @@ static void dwc3_gadget_endpoint_stream_event(struct dwc3_ep *dep,
case DEPEVT_STREAM_NOSTREAM:
dep->flags &= ~DWC3_EP_STREAM_PRIMED;
if (dep->flags & DWC3_EP_FORCE_RESTART_STREAM)
- queue_delayed_work(system_wq, &dep->nostream_work,
+ queue_delayed_work(system_percpu_wq, &dep->nostream_work,
msecs_to_jiffies(100));
break;
}
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index fd7895b24367..8b3052954530 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -365,7 +365,7 @@ int dbc_ep_queue(struct dbc_request *req)
ret = dbc_ep_do_queue(req);
spin_unlock_irqrestore(&dbc->lock, flags);
- mod_delayed_work(system_wq, &dbc->event_work, 0);
+ mod_delayed_work(system_percpu_wq, &dbc->event_work, 0);
trace_xhci_dbc_queue_request(req);
@@ -637,7 +637,7 @@ static int xhci_dbc_start(struct xhci_dbc *dbc)
return ret;
}
- return mod_delayed_work(system_wq, &dbc->event_work,
+ return mod_delayed_work(system_percpu_wq, &dbc->event_work,
msecs_to_jiffies(dbc->poll_interval));
}
@@ -964,7 +964,7 @@ static void xhci_dbc_handle_events(struct work_struct *work)
return;
}
- mod_delayed_work(system_wq, &dbc->event_work,
+ mod_delayed_work(system_percpu_wq, &dbc->event_work,
msecs_to_jiffies(poll_interval));
}
@@ -1215,7 +1215,7 @@ static ssize_t dbc_poll_interval_ms_store(struct device *dev,
dbc->poll_interval = value;
- mod_delayed_work(system_wq, &dbc->event_work, 0);
+ mod_delayed_work(system_percpu_wq, &dbc->event_work, 0);
return size;
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 5d64c297721c..79704fbbba50 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -434,7 +434,7 @@ void xhci_ring_cmd_db(struct xhci_hcd *xhci)
static bool xhci_mod_cmd_timer(struct xhci_hcd *xhci)
{
- return mod_delayed_work(system_wq, &xhci->cmd_timer,
+ return mod_delayed_work(system_percpu_wq, &xhci->cmd_timer,
msecs_to_jiffies(xhci->current_cmd->timeout_ms));
}
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 41309d38f78c..114c2af0857a 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -581,7 +581,7 @@ static void lateeoi_list_add(struct irq_info *info)
eoi_list);
if (!elem || info->eoi_time < elem->eoi_time) {
list_add(&info->eoi_list, &eoi->eoi_list);
- mod_delayed_work_on(info->eoi_cpu, system_wq,
+ mod_delayed_work_on(info->eoi_cpu, system_percpu_wq,
&eoi->delayed, delay);
} else {
list_for_each_entry_reverse(elem, &eoi->eoi_list, eoi_list) {
@@ -666,7 +666,7 @@ static void xen_irq_lateeoi_worker(struct work_struct *work)
break;
if (now < info->eoi_time) {
- mod_delayed_work_on(info->eoi_cpu, system_wq,
+ mod_delayed_work_on(info->eoi_cpu, system_percpu_wq,
&eoi->delayed,
info->eoi_time - now);
break;
@@ -782,7 +782,7 @@ static void xen_free_irq(struct irq_info *info)
WARN_ON(info->refcnt > 0);
- queue_rcu_work(system_wq, &info->rwork);
+ queue_rcu_work(system_percpu_wq, &info->rwork);
}
/* Not called for lateeoi events. */
--
2.51.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH 3/3] drivers: WQ_PERCPU added to alloc_workqueue users
2025-09-05 8:57 [PATCH 0/3] drivers: replace wq users and add WQ_PERCPU to alloc_workqueue() users Marco Crivellari
2025-09-05 8:57 ` [PATCH 1/3] drivers: replace use of system_unbound_wq with system_dfl_wq Marco Crivellari
2025-09-05 8:58 ` [PATCH 2/3] drivers: replace use of system_wq with system_percpu_wq Marco Crivellari
@ 2025-09-05 8:58 ` Marco Crivellari
2 siblings, 0 replies; 4+ messages in thread
From: Marco Crivellari @ 2025-09-05 8:58 UTC (permalink / raw)
To: linux-kernel
Cc: Tejun Heo, Lai Jiangshan, Frederic Weisbecker,
Sebastian Andrzej Siewior, Marco Crivellari, Michal Hocko,
Greg Kroah-Hartman, Jakub Kicinski, Alex Deucher
Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistentcy cannot be addressed without refactoring the API.
alloc_workqueue() treats all queues as per-CPU by default, while unbound
workqueues must opt-in via WQ_UNBOUND.
This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.
This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.
This patch adds a new WQ_PERCPU flag to explicitly request the use of
the per-CPU behavior. Both flags coexist for one release cycle to allow
callers to transition their calls.
Once migration is complete, WQ_UNBOUND can be removed and unbound will
become the implicit default.
With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU.
All existing users have been updated accordingly.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
---
drivers/acpi/ec.c | 3 ++-
drivers/acpi/osl.c | 4 ++--
drivers/acpi/thermal.c | 3 ++-
drivers/ata/libata-sff.c | 3 ++-
drivers/base/core.c | 2 +-
drivers/bus/mhi/ep/main.c | 2 +-
drivers/char/tpm/tpm-dev-common.c | 3 ++-
drivers/char/xillybus/xillybus_core.c | 2 +-
drivers/char/xillybus/xillyusb.c | 4 ++--
drivers/cpufreq/tegra194-cpufreq.c | 3 ++-
drivers/crypto/atmel-i2c.c | 2 +-
drivers/crypto/cavium/nitrox/nitrox_mbx.c | 2 +-
drivers/crypto/intel/qat/qat_common/adf_aer.c | 4 ++--
drivers/crypto/intel/qat/qat_common/adf_isr.c | 3 ++-
drivers/crypto/intel/qat/qat_common/adf_sriov.c | 3 ++-
drivers/crypto/intel/qat/qat_common/adf_vf_isr.c | 3 ++-
drivers/firewire/core-transaction.c | 3 ++-
drivers/firewire/ohci.c | 3 ++-
drivers/gpu/drm/amd/amdkfd/kfd_process.c | 3 ++-
drivers/gpu/drm/bridge/analogix/anx7625.c | 3 ++-
.../gpu/drm/i915/display/intel_display_driver.c | 3 ++-
drivers/gpu/drm/i915/i915_driver.c | 3 ++-
drivers/gpu/drm/i915/selftests/i915_sw_fence.c | 2 +-
drivers/gpu/drm/i915/selftests/mock_gem_device.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_drm.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_sched.c | 3 ++-
drivers/gpu/drm/radeon/radeon_display.c | 3 ++-
drivers/gpu/drm/xe/xe_device.c | 4 ++--
drivers/gpu/drm/xe/xe_ggtt.c | 2 +-
drivers/gpu/drm/xe/xe_hw_engine_group.c | 3 ++-
drivers/gpu/drm/xe/xe_sriov.c | 2 +-
drivers/greybus/operation.c | 2 +-
drivers/hid/hid-nintendo.c | 3 ++-
drivers/hv/mshv_eventfd.c | 2 +-
drivers/i3c/master.c | 2 +-
drivers/infiniband/core/cm.c | 2 +-
drivers/infiniband/core/device.c | 4 ++--
drivers/infiniband/hw/hfi1/init.c | 3 +--
drivers/infiniband/hw/hfi1/opfn.c | 3 +--
drivers/infiniband/hw/mlx4/cm.c | 2 +-
drivers/infiniband/sw/rdmavt/cq.c | 3 ++-
drivers/infiniband/ulp/iser/iscsi_iser.c | 2 +-
drivers/infiniband/ulp/isert/ib_isert.c | 2 +-
drivers/infiniband/ulp/rtrs/rtrs-clt.c | 2 +-
drivers/infiniband/ulp/rtrs/rtrs-srv.c | 2 +-
drivers/input/mouse/psmouse-smbus.c | 2 +-
drivers/isdn/capi/kcapi.c | 2 +-
drivers/md/bcache/btree.c | 3 ++-
drivers/md/bcache/super.c | 10 ++++++----
drivers/md/bcache/writeback.c | 2 +-
drivers/md/dm-bufio.c | 3 ++-
drivers/md/dm-cache-target.c | 3 ++-
drivers/md/dm-clone-target.c | 3 ++-
drivers/md/dm-crypt.c | 6 ++++--
drivers/md/dm-delay.c | 4 +++-
drivers/md/dm-integrity.c | 15 ++++++++++-----
drivers/md/dm-kcopyd.c | 3 ++-
drivers/md/dm-log-userspace-base.c | 3 ++-
drivers/md/dm-mpath.c | 5 +++--
drivers/md/dm-raid1.c | 5 +++--
drivers/md/dm-snap-persistent.c | 3 ++-
drivers/md/dm-stripe.c | 2 +-
drivers/md/dm-verity-target.c | 4 +++-
drivers/md/dm-writecache.c | 3 ++-
drivers/md/dm.c | 3 ++-
drivers/md/md.c | 4 ++--
drivers/media/pci/ddbridge/ddbridge-core.c | 2 +-
.../media/platform/mediatek/mdp3/mtk-mdp3-core.c | 6 ++++--
drivers/message/fusion/mptbase.c | 7 +++++--
drivers/mmc/core/block.c | 3 ++-
drivers/mmc/host/omap.c | 2 +-
drivers/nvme/host/tcp.c | 2 ++
drivers/nvme/target/core.c | 5 +++--
drivers/nvme/target/fc.c | 6 +++---
drivers/nvme/target/tcp.c | 2 +-
drivers/pci/endpoint/functions/pci-epf-mhi.c | 2 +-
drivers/pci/endpoint/functions/pci-epf-ntb.c | 5 +++--
drivers/pci/endpoint/functions/pci-epf-test.c | 3 ++-
drivers/pci/endpoint/functions/pci-epf-vntb.c | 5 +++--
drivers/pci/hotplug/pnv_php.c | 3 ++-
drivers/pci/hotplug/shpchp_core.c | 3 ++-
drivers/platform/surface/surface_acpi_notify.c | 2 +-
drivers/rapidio/rio.c | 2 +-
drivers/scsi/be2iscsi/be_main.c | 3 ++-
drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 2 +-
drivers/scsi/device_handler/scsi_dh_alua.c | 2 +-
drivers/scsi/fcoe/fcoe.c | 2 +-
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c | 3 ++-
drivers/scsi/lpfc/lpfc_init.c | 2 +-
drivers/scsi/pm8001/pm8001_init.c | 2 +-
drivers/scsi/qedf/qedf_main.c | 15 ++++++++++-----
drivers/scsi/qedi/qedi_main.c | 2 +-
drivers/scsi/qla2xxx/qla_os.c | 2 +-
drivers/scsi/qla2xxx/qla_target.c | 2 +-
drivers/scsi/qla2xxx/tcm_qla2xxx.c | 2 +-
drivers/scsi/qla4xxx/ql4_os.c | 3 ++-
drivers/scsi/scsi_transport_fc.c | 7 ++++---
drivers/soc/fsl/qbman/qman.c | 2 +-
drivers/staging/greybus/sdio.c | 2 +-
drivers/target/target_core_transport.c | 4 ++--
drivers/target/target_core_xcopy.c | 2 +-
drivers/target/tcm_fc/tfc_conf.c | 2 +-
drivers/usb/core/hub.c | 2 +-
drivers/usb/gadget/function/f_hid.c | 3 +--
drivers/usb/storage/uas.c | 2 +-
drivers/usb/typec/anx7411.c | 3 +--
drivers/vdpa/vdpa_user/vduse_dev.c | 3 ++-
drivers/virtio/virtio_balloon.c | 3 ++-
drivers/xen/privcmd.c | 3 ++-
109 files changed, 207 insertions(+), 142 deletions(-)
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 8db09d81918f..f2b72bf8fa65 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -2273,7 +2273,8 @@ static int acpi_ec_init_workqueues(void)
ec_wq = alloc_ordered_workqueue("kec", 0);
if (!ec_query_wq)
- ec_query_wq = alloc_workqueue("kec_query", 0, ec_max_queries);
+ ec_query_wq = alloc_workqueue("kec_query", WQ_PERCPU,
+ ec_max_queries);
if (!ec_wq || !ec_query_wq) {
acpi_ec_destroy_workqueues();
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index a79a5d47bdb8..05393a7315fe 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1694,8 +1694,8 @@ acpi_status __init acpi_os_initialize(void)
acpi_status __init acpi_os_initialize1(void)
{
- kacpid_wq = alloc_workqueue("kacpid", 0, 1);
- kacpi_notify_wq = alloc_workqueue("kacpi_notify", 0, 0);
+ kacpid_wq = alloc_workqueue("kacpid", WQ_PERCPU, 1);
+ kacpi_notify_wq = alloc_workqueue("kacpi_notify", WQ_PERCPU, 0);
kacpi_hotplug_wq = alloc_ordered_workqueue("kacpi_hotplug", 0);
BUG_ON(!kacpid_wq);
BUG_ON(!kacpi_notify_wq);
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 0c874186f8ae..9f5a2f288d32 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -1060,7 +1060,8 @@ static int __init acpi_thermal_init(void)
}
acpi_thermal_pm_queue = alloc_workqueue("acpi_thermal_pm",
- WQ_HIGHPRI | WQ_MEM_RECLAIM, 0);
+ WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_PERCPU,
+ 0);
if (!acpi_thermal_pm_queue)
return -ENODEV;
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 5a46c066abc3..ae6879fa868d 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -3199,7 +3199,8 @@ void ata_sff_port_init(struct ata_port *ap)
int __init ata_sff_init(void)
{
- ata_sff_wq = alloc_workqueue("ata_sff", WQ_MEM_RECLAIM, WQ_MAX_ACTIVE);
+ ata_sff_wq = alloc_workqueue("ata_sff", WQ_MEM_RECLAIM | WQ_PERCPU,
+ WQ_MAX_ACTIVE);
if (!ata_sff_wq)
return -ENOMEM;
diff --git a/drivers/base/core.c b/drivers/base/core.c
index d2f9d3a59d6b..fa43d02c56c1 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -4115,7 +4115,7 @@ int __init devices_init(void)
sysfs_dev_char_kobj = kobject_create_and_add("char", dev_kobj);
if (!sysfs_dev_char_kobj)
goto char_kobj_err;
- device_link_wq = alloc_workqueue("device_link_wq", 0, 0);
+ device_link_wq = alloc_workqueue("device_link_wq", WQ_PERCPU, 0);
if (!device_link_wq)
goto wq_err;
diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c
index b3eafcf2a2c5..bee0b794c3e3 100644
--- a/drivers/bus/mhi/ep/main.c
+++ b/drivers/bus/mhi/ep/main.c
@@ -1507,7 +1507,7 @@ int mhi_ep_register_controller(struct mhi_ep_cntrl *mhi_cntrl,
INIT_WORK(&mhi_cntrl->cmd_ring_work, mhi_ep_cmd_ring_worker);
INIT_WORK(&mhi_cntrl->ch_ring_work, mhi_ep_ch_ring_worker);
- mhi_cntrl->wq = alloc_workqueue("mhi_ep_wq", 0, 0);
+ mhi_cntrl->wq = alloc_workqueue("mhi_ep_wq", WQ_PERCPU, 0);
if (!mhi_cntrl->wq) {
ret = -ENOMEM;
goto err_destroy_ring_item_cache;
diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c
index 11deaf538e87..2b46db0fd4b3 100644
--- a/drivers/char/tpm/tpm-dev-common.c
+++ b/drivers/char/tpm/tpm-dev-common.c
@@ -275,7 +275,8 @@ void tpm_common_release(struct file *file, struct file_priv *priv)
int __init tpm_dev_common_init(void)
{
- tpm_dev_wq = alloc_workqueue("tpm_dev_wq", WQ_MEM_RECLAIM, 0);
+ tpm_dev_wq = alloc_workqueue("tpm_dev_wq", WQ_MEM_RECLAIM | WQ_PERCPU,
+ 0);
return !tpm_dev_wq ? -ENOMEM : 0;
}
diff --git a/drivers/char/xillybus/xillybus_core.c b/drivers/char/xillybus/xillybus_core.c
index 11b7c4749274..3ecd589a22b1 100644
--- a/drivers/char/xillybus/xillybus_core.c
+++ b/drivers/char/xillybus/xillybus_core.c
@@ -1974,7 +1974,7 @@ EXPORT_SYMBOL(xillybus_endpoint_remove);
static int __init xillybus_init(void)
{
- xillybus_wq = alloc_workqueue(xillyname, 0, 0);
+ xillybus_wq = alloc_workqueue(xillyname, WQ_PERCPU, 0);
if (!xillybus_wq)
return -ENOMEM;
diff --git a/drivers/char/xillybus/xillyusb.c b/drivers/char/xillybus/xillyusb.c
index 45771b1a3716..2a29e2be0296 100644
--- a/drivers/char/xillybus/xillyusb.c
+++ b/drivers/char/xillybus/xillyusb.c
@@ -2163,7 +2163,7 @@ static int xillyusb_probe(struct usb_interface *interface,
spin_lock_init(&xdev->error_lock);
xdev->in_counter = 0;
xdev->in_bytes_left = 0;
- xdev->workq = alloc_workqueue(xillyname, WQ_HIGHPRI, 0);
+ xdev->workq = alloc_workqueue(xillyname, WQ_HIGHPRI | WQ_PERCPU, 0);
if (!xdev->workq) {
dev_err(&interface->dev, "Failed to allocate work queue\n");
@@ -2275,7 +2275,7 @@ static int __init xillyusb_init(void)
{
int rc = 0;
- wakeup_wq = alloc_workqueue(xillyname, 0, 0);
+ wakeup_wq = alloc_workqueue(xillyname, WQ_PERCPU, 0);
if (!wakeup_wq)
return -ENOMEM;
diff --git a/drivers/cpufreq/tegra194-cpufreq.c b/drivers/cpufreq/tegra194-cpufreq.c
index 9b4f516f313e..695599e1001f 100644
--- a/drivers/cpufreq/tegra194-cpufreq.c
+++ b/drivers/cpufreq/tegra194-cpufreq.c
@@ -750,7 +750,8 @@ static int tegra194_cpufreq_probe(struct platform_device *pdev)
if (IS_ERR(bpmp))
return PTR_ERR(bpmp);
- read_counters_wq = alloc_workqueue("read_counters_wq", __WQ_LEGACY, 1);
+ read_counters_wq = alloc_workqueue("read_counters_wq",
+ __WQ_LEGACY | WQ_PERCPU, 1);
if (!read_counters_wq) {
dev_err(&pdev->dev, "fail to create_workqueue\n");
err = -EINVAL;
diff --git a/drivers/crypto/atmel-i2c.c b/drivers/crypto/atmel-i2c.c
index a895e4289efa..9688d116d07e 100644
--- a/drivers/crypto/atmel-i2c.c
+++ b/drivers/crypto/atmel-i2c.c
@@ -402,7 +402,7 @@ EXPORT_SYMBOL(atmel_i2c_probe);
static int __init atmel_i2c_init(void)
{
- atmel_wq = alloc_workqueue("atmel_wq", 0, 0);
+ atmel_wq = alloc_workqueue("atmel_wq", WQ_PERCPU, 0);
return atmel_wq ? 0 : -ENOMEM;
}
diff --git a/drivers/crypto/cavium/nitrox/nitrox_mbx.c b/drivers/crypto/cavium/nitrox/nitrox_mbx.c
index d4e06999af9b..a6a76e50ba84 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_mbx.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_mbx.c
@@ -192,7 +192,7 @@ int nitrox_mbox_init(struct nitrox_device *ndev)
}
/* allocate pf2vf response workqueue */
- ndev->iov.pf2vf_wq = alloc_workqueue("nitrox_pf2vf", 0, 0);
+ ndev->iov.pf2vf_wq = alloc_workqueue("nitrox_pf2vf", WQ_PERCPU, 0);
if (!ndev->iov.pf2vf_wq) {
kfree(ndev->iov.vfdev);
ndev->iov.vfdev = NULL;
diff --git a/drivers/crypto/intel/qat/qat_common/adf_aer.c b/drivers/crypto/intel/qat/qat_common/adf_aer.c
index 4cb8bd83f570..fabd852f1708 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_aer.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_aer.c
@@ -276,11 +276,11 @@ int adf_notify_fatal_error(struct adf_accel_dev *accel_dev)
int adf_init_aer(void)
{
device_reset_wq = alloc_workqueue("qat_device_reset_wq",
- WQ_MEM_RECLAIM, 0);
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!device_reset_wq)
return -EFAULT;
- device_sriov_wq = alloc_workqueue("qat_device_sriov_wq", 0, 0);
+ device_sriov_wq = alloc_workqueue("qat_device_sriov_wq", WQ_PERCPU, 0);
if (!device_sriov_wq) {
destroy_workqueue(device_reset_wq);
device_reset_wq = NULL;
diff --git a/drivers/crypto/intel/qat/qat_common/adf_isr.c b/drivers/crypto/intel/qat/qat_common/adf_isr.c
index cae1aee5479a..7381e0570540 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_isr.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_isr.c
@@ -384,7 +384,8 @@ EXPORT_SYMBOL_GPL(adf_isr_resource_alloc);
*/
int __init adf_init_misc_wq(void)
{
- adf_misc_wq = alloc_workqueue("qat_misc_wq", WQ_MEM_RECLAIM, 0);
+ adf_misc_wq = alloc_workqueue("qat_misc_wq",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
return !adf_misc_wq ? -ENOMEM : 0;
}
diff --git a/drivers/crypto/intel/qat/qat_common/adf_sriov.c b/drivers/crypto/intel/qat/qat_common/adf_sriov.c
index c75d0b6cb0ad..0afa8d42c220 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_sriov.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_sriov.c
@@ -300,7 +300,8 @@ EXPORT_SYMBOL_GPL(adf_sriov_configure);
int __init adf_init_pf_wq(void)
{
/* Workqueue for PF2VF responses */
- pf2vf_resp_wq = alloc_workqueue("qat_pf2vf_resp_wq", WQ_MEM_RECLAIM, 0);
+ pf2vf_resp_wq = alloc_workqueue("qat_pf2vf_resp_wq",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
return !pf2vf_resp_wq ? -ENOMEM : 0;
}
diff --git a/drivers/crypto/intel/qat/qat_common/adf_vf_isr.c b/drivers/crypto/intel/qat/qat_common/adf_vf_isr.c
index a4636ec9f9ca..d0fef20a3df4 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_vf_isr.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_vf_isr.c
@@ -299,7 +299,8 @@ EXPORT_SYMBOL_GPL(adf_flush_vf_wq);
*/
int __init adf_init_vf_wq(void)
{
- adf_vf_stop_wq = alloc_workqueue("adf_vf_stop_wq", WQ_MEM_RECLAIM, 0);
+ adf_vf_stop_wq = alloc_workqueue("adf_vf_stop_wq",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
return !adf_vf_stop_wq ? -EFAULT : 0;
}
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index b0f9ef6ac6df..f07b8a13a201 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -1327,7 +1327,8 @@ static int __init fw_core_init(void)
{
int ret;
- fw_workqueue = alloc_workqueue("firewire", WQ_MEM_RECLAIM, 0);
+ fw_workqueue = alloc_workqueue("firewire", WQ_MEM_RECLAIM | WQ_PERCPU,
+ 0);
if (!fw_workqueue)
return -ENOMEM;
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index edaedd156a6d..2b721cca366c 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -3941,7 +3941,8 @@ static struct pci_driver fw_ohci_pci_driver = {
static int __init fw_ohci_init(void)
{
- selfid_workqueue = alloc_workqueue(KBUILD_MODNAME, WQ_MEM_RECLAIM, 0);
+ selfid_workqueue = alloc_workqueue(KBUILD_MODNAME,
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!selfid_workqueue)
return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 7c0c24732481..2cb9088f67cc 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -690,7 +690,8 @@ void kfd_procfs_del_queue(struct queue *q)
int kfd_process_create_wq(void)
{
if (!kfd_process_wq)
- kfd_process_wq = alloc_workqueue("kfd_process_wq", 0, 0);
+ kfd_process_wq = alloc_workqueue("kfd_process_wq", WQ_PERCPU,
+ 0);
if (!kfd_restore_wq)
kfd_restore_wq = alloc_ordered_workqueue("kfd_restore_wq",
WQ_FREEZABLE);
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 0b97b66de577..bc06ea7c4eb1 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -2659,7 +2659,8 @@ static int anx7625_i2c_probe(struct i2c_client *client)
if (platform->pdata.intp_irq) {
INIT_WORK(&platform->work, anx7625_work_func);
platform->workqueue = alloc_workqueue("anx7625_work",
- WQ_FREEZABLE | WQ_MEM_RECLAIM, 1);
+ WQ_FREEZABLE | WQ_MEM_RECLAIM | WQ_PERCPU,
+ 1);
if (!platform->workqueue) {
DRM_DEV_ERROR(dev, "fail to create work queue\n");
ret = -ENOMEM;
diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c
index 31740a677dd8..ccfdbe26232c 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.c
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
@@ -243,7 +243,8 @@ int intel_display_driver_probe_noirq(struct intel_display *display)
display->wq.modeset = alloc_ordered_workqueue("i915_modeset", 0);
display->wq.flip = alloc_workqueue("i915_flip", WQ_HIGHPRI |
WQ_UNBOUND, WQ_UNBOUND_MAX_ACTIVE);
- display->wq.cleanup = alloc_workqueue("i915_cleanup", WQ_HIGHPRI, 0);
+ display->wq.cleanup = alloc_workqueue("i915_cleanup", WQ_HIGHPRI |
+ WQ_PERCPU, 0);
intel_mode_config_init(display);
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index 79b98ba4104e..32edb27f6af6 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -144,7 +144,8 @@ static int i915_workqueues_init(struct drm_i915_private *dev_priv)
* to be scheduled on the system_percpu_wq before moving to a driver
* instance due deprecation of flush_scheduled_work().
*/
- dev_priv->unordered_wq = alloc_workqueue("i915-unordered", 0, 0);
+ dev_priv->unordered_wq = alloc_workqueue("i915-unordered", WQ_PERCPU,
+ 0);
if (dev_priv->unordered_wq == NULL)
goto out_free_dp_wq;
diff --git a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
index 8f5ce71fa453..b81d65c77458 100644
--- a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
@@ -526,7 +526,7 @@ static int test_ipc(void *arg)
struct workqueue_struct *wq;
int ret = 0;
- wq = alloc_workqueue("i1915-selftest", 0, 0);
+ wq = alloc_workqueue("i1915-selftest", WQ_PERCPU, 0);
if (wq == NULL)
return -ENOMEM;
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index a77e5b26542c..a55f24240fe0 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -214,7 +214,7 @@ struct drm_i915_private *mock_gem_device(void)
if (!i915->wq)
goto err_drv;
- i915->unordered_wq = alloc_workqueue("mock-unordered", 0, 0);
+ i915->unordered_wq = alloc_workqueue("mock-unordered", WQ_PERCPU, 0);
if (!i915->unordered_wq)
goto err_wq;
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index e154d08857c5..6fefe051993c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -626,7 +626,7 @@ nouveau_drm_device_init(struct nouveau_drm *drm)
struct drm_device *dev = drm->dev;
int ret;
- drm->sched_wq = alloc_workqueue("nouveau_sched_wq_shared", 0,
+ drm->sched_wq = alloc_workqueue("nouveau_sched_wq_shared", WQ_PERCPU,
WQ_MAX_ACTIVE);
if (!drm->sched_wq)
return -ENOMEM;
diff --git a/drivers/gpu/drm/nouveau/nouveau_sched.c b/drivers/gpu/drm/nouveau/nouveau_sched.c
index d326e55d2d24..85b25bffefd8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sched.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sched.c
@@ -415,7 +415,8 @@ nouveau_sched_init(struct nouveau_sched *sched, struct nouveau_drm *drm,
int ret;
if (!wq) {
- wq = alloc_workqueue("nouveau_sched_wq_%d", 0, WQ_MAX_ACTIVE,
+ wq = alloc_workqueue("nouveau_sched_wq_%d", WQ_PERCPU,
+ WQ_MAX_ACTIVE,
current->pid);
if (!wq)
return -ENOMEM;
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 8f5f8abcb1b4..d18aeeb38085 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -687,7 +687,8 @@ static void radeon_crtc_init(struct drm_device *dev, int index)
if (radeon_crtc == NULL)
return;
- radeon_crtc->flip_queue = alloc_workqueue("radeon-crtc", WQ_HIGHPRI, 0);
+ radeon_crtc->flip_queue = alloc_workqueue("radeon-crtc",
+ WQ_HIGHPRI | WQ_PERCPU, 0);
if (!radeon_crtc->flip_queue) {
kfree(radeon_crtc);
return;
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 00191227bc95..52b4f0dd827c 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -475,8 +475,8 @@ struct xe_device *xe_device_create(struct pci_dev *pdev,
xe->preempt_fence_wq = alloc_ordered_workqueue("xe-preempt-fence-wq",
WQ_MEM_RECLAIM);
xe->ordered_wq = alloc_ordered_workqueue("xe-ordered-wq", 0);
- xe->unordered_wq = alloc_workqueue("xe-unordered-wq", 0, 0);
- xe->destroy_wq = alloc_workqueue("xe-destroy-wq", 0, 0);
+ xe->unordered_wq = alloc_workqueue("xe-unordered-wq", WQ_PERCPU, 0);
+ xe->destroy_wq = alloc_workqueue("xe-destroy-wq", WQ_PERCPU, 0);
if (!xe->ordered_wq || !xe->unordered_wq ||
!xe->preempt_fence_wq || !xe->destroy_wq) {
/*
diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c
index 5fcb2b4c2c13..9c625c191be2 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.c
+++ b/drivers/gpu/drm/xe/xe_ggtt.c
@@ -246,7 +246,7 @@ int xe_ggtt_init_early(struct xe_ggtt *ggtt)
else
ggtt->pt_ops = &xelp_pt_ops;
- ggtt->wq = alloc_workqueue("xe-ggtt-wq", 0, WQ_MEM_RECLAIM);
+ ggtt->wq = alloc_workqueue("xe-ggtt-wq", WQ_PERCPU, WQ_MEM_RECLAIM);
drm_mm_init(&ggtt->mm, xe_wopcm_size(xe),
ggtt->size - xe_wopcm_size(xe));
diff --git a/drivers/gpu/drm/xe/xe_hw_engine_group.c b/drivers/gpu/drm/xe/xe_hw_engine_group.c
index 2d68c5b5262a..fae2bab4c25e 100644
--- a/drivers/gpu/drm/xe/xe_hw_engine_group.c
+++ b/drivers/gpu/drm/xe/xe_hw_engine_group.c
@@ -57,7 +57,8 @@ hw_engine_group_alloc(struct xe_device *xe)
if (!group)
return ERR_PTR(-ENOMEM);
- group->resume_wq = alloc_workqueue("xe-resume-lr-jobs-wq", 0, 0);
+ group->resume_wq = alloc_workqueue("xe-resume-lr-jobs-wq", WQ_PERCPU,
+ 0);
if (!group->resume_wq)
return ERR_PTR(-ENOMEM);
diff --git a/drivers/gpu/drm/xe/xe_sriov.c b/drivers/gpu/drm/xe/xe_sriov.c
index a0eab44c0e76..6e6eb437a802 100644
--- a/drivers/gpu/drm/xe/xe_sriov.c
+++ b/drivers/gpu/drm/xe/xe_sriov.c
@@ -119,7 +119,7 @@ int xe_sriov_init(struct xe_device *xe)
xe_sriov_vf_init_early(xe);
xe_assert(xe, !xe->sriov.wq);
- xe->sriov.wq = alloc_workqueue("xe-sriov-wq", 0, 0);
+ xe->sriov.wq = alloc_workqueue("xe-sriov-wq", WQ_PERCPU, 0);
if (!xe->sriov.wq)
return -ENOMEM;
diff --git a/drivers/greybus/operation.c b/drivers/greybus/operation.c
index f6beeebf974c..3f3c07fb62aa 100644
--- a/drivers/greybus/operation.c
+++ b/drivers/greybus/operation.c
@@ -1237,7 +1237,7 @@ int __init gb_operation_init(void)
goto err_destroy_message_cache;
gb_operation_completion_wq = alloc_workqueue("greybus_completion",
- 0, 0);
+ WQ_PERCPU, 0);
if (!gb_operation_completion_wq)
goto err_destroy_operation_cache;
diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
index 839d5bcd72b1..b7b981fce6a1 100644
--- a/drivers/hid/hid-nintendo.c
+++ b/drivers/hid/hid-nintendo.c
@@ -2647,7 +2647,8 @@ static int nintendo_hid_probe(struct hid_device *hdev,
init_waitqueue_head(&ctlr->wait);
spin_lock_init(&ctlr->lock);
ctlr->rumble_queue = alloc_workqueue("hid-nintendo-rumble_wq",
- WQ_FREEZABLE | WQ_MEM_RECLAIM, 0);
+ WQ_FREEZABLE | WQ_MEM_RECLAIM | WQ_PERCPU,
+ 0);
if (!ctlr->rumble_queue) {
ret = -ENOMEM;
goto err;
diff --git a/drivers/hv/mshv_eventfd.c b/drivers/hv/mshv_eventfd.c
index 8dd22be2ca0b..91386f236e25 100644
--- a/drivers/hv/mshv_eventfd.c
+++ b/drivers/hv/mshv_eventfd.c
@@ -592,7 +592,7 @@ static void mshv_irqfd_release(struct mshv_partition *pt)
int mshv_irqfd_wq_init(void)
{
- irqfd_cleanup_wq = alloc_workqueue("mshv-irqfd-cleanup", 0, 0);
+ irqfd_cleanup_wq = alloc_workqueue("mshv-irqfd-cleanup", WQ_PERCPU, 0);
if (!irqfd_cleanup_wq)
return -ENOMEM;
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index fd81871609d9..58c8713f0040 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -2851,7 +2851,7 @@ int i3c_master_register(struct i3c_master_controller *master,
if (ret)
goto err_put_dev;
- master->wq = alloc_workqueue("%s", 0, 0, dev_name(parent));
+ master->wq = alloc_workqueue("%s", WQ_PERCPU, 0, dev_name(parent));
if (!master->wq) {
ret = -ENOMEM;
goto err_put_dev;
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 142170473e75..5956cd8291a1 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -4521,7 +4521,7 @@ static int __init ib_cm_init(void)
get_random_bytes(&cm.random_id_operand, sizeof cm.random_id_operand);
INIT_LIST_HEAD(&cm.timewait_list);
- cm.wq = alloc_workqueue("ib_cm", 0, 1);
+ cm.wq = alloc_workqueue("ib_cm", WQ_PERCPU, 1);
if (!cm.wq) {
ret = -ENOMEM;
goto error2;
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index b4e3e4beb7f4..e9b536983b3b 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -2976,7 +2976,7 @@ static int __init ib_core_init(void)
{
int ret = -ENOMEM;
- ib_wq = alloc_workqueue("infiniband", 0, 0);
+ ib_wq = alloc_workqueue("infiniband", WQ_PERCPU, 0);
if (!ib_wq)
return -ENOMEM;
@@ -2986,7 +2986,7 @@ static int __init ib_core_init(void)
goto err;
ib_comp_wq = alloc_workqueue("ib-comp-wq",
- WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_SYSFS, 0);
+ WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_SYSFS | WQ_PERCPU, 0);
if (!ib_comp_wq)
goto err_unbound;
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index b35f92e7d865..0d7797495ddf 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -745,8 +745,7 @@ static int create_workqueues(struct hfi1_devdata *dd)
ppd->hfi1_wq =
alloc_workqueue(
"hfi%d_%d",
- WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE |
- WQ_MEM_RECLAIM,
+ WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_PERCPU,
HFI1_MAX_ACTIVE_WORKQUEUE_ENTRIES,
dd->unit, pidx);
if (!ppd->hfi1_wq)
diff --git a/drivers/infiniband/hw/hfi1/opfn.c b/drivers/infiniband/hw/hfi1/opfn.c
index 370a5a8eaa71..68c1cdbc90c1 100644
--- a/drivers/infiniband/hw/hfi1/opfn.c
+++ b/drivers/infiniband/hw/hfi1/opfn.c
@@ -305,8 +305,7 @@ void opfn_trigger_conn_request(struct rvt_qp *qp, u32 bth1)
int opfn_init(void)
{
opfn_wq = alloc_workqueue("hfi_opfn",
- WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE |
- WQ_MEM_RECLAIM,
+ WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_PERCPU,
HFI1_MAX_ACTIVE_WORKQUEUE_ENTRIES);
if (!opfn_wq)
return -ENOMEM;
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c
index 12b481d138cf..03aacd526860 100644
--- a/drivers/infiniband/hw/mlx4/cm.c
+++ b/drivers/infiniband/hw/mlx4/cm.c
@@ -591,7 +591,7 @@ void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave)
int mlx4_ib_cm_init(void)
{
- cm_wq = alloc_workqueue("mlx4_ib_cm", 0, 0);
+ cm_wq = alloc_workqueue("mlx4_ib_cm", WQ_PERCPU, 0);
if (!cm_wq)
return -ENOMEM;
diff --git a/drivers/infiniband/sw/rdmavt/cq.c b/drivers/infiniband/sw/rdmavt/cq.c
index 0ca2743f1075..e7835ca70e2b 100644
--- a/drivers/infiniband/sw/rdmavt/cq.c
+++ b/drivers/infiniband/sw/rdmavt/cq.c
@@ -518,7 +518,8 @@ int rvt_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
*/
int rvt_driver_cq_init(void)
{
- comp_vector_wq = alloc_workqueue("%s", WQ_HIGHPRI | WQ_CPU_INTENSIVE,
+ comp_vector_wq = alloc_workqueue("%s",
+ WQ_HIGHPRI | WQ_CPU_INTENSIVE | WQ_PERCPU,
0, "rdmavt_cq");
if (!comp_vector_wq)
return -ENOMEM;
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index a5be6f1ba12b..eb99c0f65ca9 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -1033,7 +1033,7 @@ static int __init iser_init(void)
mutex_init(&ig.connlist_mutex);
INIT_LIST_HEAD(&ig.connlist);
- release_wq = alloc_workqueue("release workqueue", 0, 0);
+ release_wq = alloc_workqueue("release workqueue", WQ_PERCPU, 0);
if (!release_wq) {
iser_err("failed to allocate release workqueue\n");
err = -ENOMEM;
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 42977a5326ee..af811d060cc8 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2613,7 +2613,7 @@ static struct iscsit_transport iser_target_transport = {
static int __init isert_init(void)
{
- isert_login_wq = alloc_workqueue("isert_login_wq", 0, 0);
+ isert_login_wq = alloc_workqueue("isert_login_wq", WQ_PERCPU, 0);
if (!isert_login_wq) {
isert_err("Unable to allocate isert_login_wq\n");
return -ENOMEM;
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index 71387811b281..40fd2b695160 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -3187,7 +3187,7 @@ static int __init rtrs_client_init(void)
pr_err("Failed to create rtrs-client dev class\n");
return ret;
}
- rtrs_wq = alloc_workqueue("rtrs_client_wq", 0, 0);
+ rtrs_wq = alloc_workqueue("rtrs_client_wq", WQ_PERCPU, 0);
if (!rtrs_wq) {
class_unregister(&rtrs_clt_dev_class);
return -ENOMEM;
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index ef4abdea3c2d..780a98b2ded9 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -2321,7 +2321,7 @@ static int __init rtrs_server_init(void)
if (err)
goto out_err;
- rtrs_wq = alloc_workqueue("rtrs_server_wq", 0, 0);
+ rtrs_wq = alloc_workqueue("rtrs_server_wq", WQ_PERCPU, 0);
if (!rtrs_wq) {
err = -ENOMEM;
goto out_dev_class;
diff --git a/drivers/input/mouse/psmouse-smbus.c b/drivers/input/mouse/psmouse-smbus.c
index 93420f07b7d0..5d6a4909ccbf 100644
--- a/drivers/input/mouse/psmouse-smbus.c
+++ b/drivers/input/mouse/psmouse-smbus.c
@@ -299,7 +299,7 @@ int __init psmouse_smbus_module_init(void)
{
int error;
- psmouse_smbus_wq = alloc_workqueue("psmouse-smbus", 0, 0);
+ psmouse_smbus_wq = alloc_workqueue("psmouse-smbus", WQ_PERCPU, 0);
if (!psmouse_smbus_wq)
return -ENOMEM;
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index c5d13bdc239b..e8f7e52354bc 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -907,7 +907,7 @@ int __init kcapi_init(void)
{
int err;
- kcapi_wq = alloc_workqueue("kcapi", 0, 0);
+ kcapi_wq = alloc_workqueue("kcapi", WQ_PERCPU, 0);
if (!kcapi_wq)
return -ENOMEM;
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index ed40d8600656..1d2213944441 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -2836,7 +2836,8 @@ void bch_btree_exit(void)
int __init bch_btree_init(void)
{
- btree_io_wq = alloc_workqueue("bch_btree_io", WQ_MEM_RECLAIM, 0);
+ btree_io_wq = alloc_workqueue("bch_btree_io",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!btree_io_wq)
return -ENOMEM;
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index de0a8e5f5c49..481d61a67032 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1933,7 +1933,8 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
if (!c->uuids)
goto err;
- c->moving_gc_wq = alloc_workqueue("bcache_gc", WQ_MEM_RECLAIM, 0);
+ c->moving_gc_wq = alloc_workqueue("bcache_gc",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!c->moving_gc_wq)
goto err;
@@ -2867,7 +2868,7 @@ static int __init bcache_init(void)
if (bch_btree_init())
goto err;
- bcache_wq = alloc_workqueue("bcache", WQ_MEM_RECLAIM, 0);
+ bcache_wq = alloc_workqueue("bcache", WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!bcache_wq)
goto err;
@@ -2880,11 +2881,12 @@ static int __init bcache_init(void)
*
* We still want to user our own queue to not congest the `system_percpu_wq`.
*/
- bch_flush_wq = alloc_workqueue("bch_flush", 0, 0);
+ bch_flush_wq = alloc_workqueue("bch_flush", WQ_PERCPU, 0);
if (!bch_flush_wq)
goto err;
- bch_journal_wq = alloc_workqueue("bch_journal", WQ_MEM_RECLAIM, 0);
+ bch_journal_wq = alloc_workqueue("bch_journal",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!bch_journal_wq)
goto err;
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 453efbbdc8ee..01969ec07c1a 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -1079,7 +1079,7 @@ void bch_cached_dev_writeback_init(struct cached_dev *dc)
int bch_cached_dev_writeback_start(struct cached_dev *dc)
{
dc->writeback_write_wq = alloc_workqueue("bcache_writeback_wq",
- WQ_MEM_RECLAIM, 0);
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!dc->writeback_write_wq)
return -ENOMEM;
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 9c8ed65cd87e..6c6ee8d62485 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -2933,7 +2933,8 @@ static int __init dm_bufio_init(void)
__cache_size_refresh();
mutex_unlock(&dm_bufio_clients_lock);
- dm_bufio_wq = alloc_workqueue("dm_bufio_cache", WQ_MEM_RECLAIM, 0);
+ dm_bufio_wq = alloc_workqueue("dm_bufio_cache",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!dm_bufio_wq)
return -ENOMEM;
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index a10d75a562db..7bad7cc87d37 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -2533,7 +2533,8 @@ static int cache_create(struct cache_args *ca, struct cache **result)
goto bad;
}
- cache->wq = alloc_workqueue("dm-" DM_MSG_PREFIX, WQ_MEM_RECLAIM, 0);
+ cache->wq = alloc_workqueue("dm-" DM_MSG_PREFIX,
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!cache->wq) {
*error = "could not create workqueue for metadata object";
goto bad;
diff --git a/drivers/md/dm-clone-target.c b/drivers/md/dm-clone-target.c
index e956d980672c..b25845e36274 100644
--- a/drivers/md/dm-clone-target.c
+++ b/drivers/md/dm-clone-target.c
@@ -1877,7 +1877,8 @@ static int clone_ctr(struct dm_target *ti, unsigned int argc, char **argv)
clone->hydration_offset = 0;
atomic_set(&clone->hydrations_in_flight, 0);
- clone->wq = alloc_workqueue("dm-" DM_MSG_PREFIX, WQ_MEM_RECLAIM, 0);
+ clone->wq = alloc_workqueue("dm-" DM_MSG_PREFIX,
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!clone->wq) {
ti->error = "Failed to allocate workqueue";
r = -ENOMEM;
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 9dfdb63220d7..518a8ba49a76 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -3420,7 +3420,9 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
if (test_bit(DM_CRYPT_HIGH_PRIORITY, &cc->flags))
common_wq_flags |= WQ_HIGHPRI;
- cc->io_queue = alloc_workqueue("kcryptd_io-%s-%d", common_wq_flags, 1, devname, wq_id);
+ cc->io_queue = alloc_workqueue("kcryptd_io-%s-%d",
+ common_wq_flags | WQ_PERCPU, 1,
+ devname, wq_id);
if (!cc->io_queue) {
ti->error = "Couldn't create kcryptd io queue";
goto bad;
@@ -3428,7 +3430,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
if (test_bit(DM_CRYPT_SAME_CPU, &cc->flags)) {
cc->crypt_queue = alloc_workqueue("kcryptd-%s-%d",
- common_wq_flags | WQ_CPU_INTENSIVE,
+ common_wq_flags | WQ_CPU_INTENSIVE | WQ_PERCPU,
1, devname, wq_id);
} else {
/*
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index d4cf0ac2a7aa..a6e6c485f01f 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -279,7 +279,9 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
} else {
timer_setup(&dc->delay_timer, handle_delayed_timer, 0);
INIT_WORK(&dc->flush_expired_bios, flush_expired_bios);
- dc->kdelayd_wq = alloc_workqueue("kdelayd", WQ_MEM_RECLAIM, 0);
+ dc->kdelayd_wq = alloc_workqueue("kdelayd",
+ WQ_MEM_RECLAIM | WQ_PERCPU,
+ 0);
if (!dc->kdelayd_wq) {
ret = -EINVAL;
DMERR("Couldn't start kdelayd");
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 2a283feb3319..3420a5a06d02 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -4818,7 +4818,8 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned int argc, char **argv
}
ic->metadata_wq = alloc_workqueue("dm-integrity-metadata",
- WQ_MEM_RECLAIM, METADATA_WORKQUEUE_MAX_ACTIVE);
+ WQ_MEM_RECLAIM | WQ_PERCPU,
+ METADATA_WORKQUEUE_MAX_ACTIVE);
if (!ic->metadata_wq) {
ti->error = "Cannot allocate workqueue";
r = -ENOMEM;
@@ -4836,7 +4837,8 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned int argc, char **argv
goto bad;
}
- ic->offload_wq = alloc_workqueue("dm-integrity-offload", WQ_MEM_RECLAIM,
+ ic->offload_wq = alloc_workqueue("dm-integrity-offload",
+ WQ_MEM_RECLAIM | WQ_PERCPU,
METADATA_WORKQUEUE_MAX_ACTIVE);
if (!ic->offload_wq) {
ti->error = "Cannot allocate workqueue";
@@ -4844,7 +4846,8 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned int argc, char **argv
goto bad;
}
- ic->commit_wq = alloc_workqueue("dm-integrity-commit", WQ_MEM_RECLAIM, 1);
+ ic->commit_wq = alloc_workqueue("dm-integrity-commit",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 1);
if (!ic->commit_wq) {
ti->error = "Cannot allocate workqueue";
r = -ENOMEM;
@@ -4853,7 +4856,8 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned int argc, char **argv
INIT_WORK(&ic->commit_work, integrity_commit);
if (ic->mode == 'J' || ic->mode == 'B') {
- ic->writer_wq = alloc_workqueue("dm-integrity-writer", WQ_MEM_RECLAIM, 1);
+ ic->writer_wq = alloc_workqueue("dm-integrity-writer",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 1);
if (!ic->writer_wq) {
ti->error = "Cannot allocate workqueue";
r = -ENOMEM;
@@ -5025,7 +5029,8 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned int argc, char **argv
}
if (ic->internal_hash) {
- ic->recalc_wq = alloc_workqueue("dm-integrity-recalc", WQ_MEM_RECLAIM, 1);
+ ic->recalc_wq = alloc_workqueue("dm-integrity-recalc",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 1);
if (!ic->recalc_wq) {
ti->error = "Cannot allocate workqueue";
r = -ENOMEM;
diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index 6ea75436a433..cec9a60227b6 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -934,7 +934,8 @@ struct dm_kcopyd_client *dm_kcopyd_client_create(struct dm_kcopyd_throttle *thro
goto bad_slab;
INIT_WORK(&kc->kcopyd_work, do_work);
- kc->kcopyd_wq = alloc_workqueue("kcopyd", WQ_MEM_RECLAIM, 0);
+ kc->kcopyd_wq = alloc_workqueue("kcopyd", WQ_MEM_RECLAIM | WQ_PERCPU,
+ 0);
if (!kc->kcopyd_wq) {
r = -ENOMEM;
goto bad_workqueue;
diff --git a/drivers/md/dm-log-userspace-base.c b/drivers/md/dm-log-userspace-base.c
index 9fbb4b48fb2b..607436804a8b 100644
--- a/drivers/md/dm-log-userspace-base.c
+++ b/drivers/md/dm-log-userspace-base.c
@@ -299,7 +299,8 @@ static int userspace_ctr(struct dm_dirty_log *log, struct dm_target *ti,
}
if (lc->integrated_flush) {
- lc->dmlog_wq = alloc_workqueue("dmlogd", WQ_MEM_RECLAIM, 0);
+ lc->dmlog_wq = alloc_workqueue("dmlogd",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!lc->dmlog_wq) {
DMERR("couldn't start dmlogd");
r = -ENOMEM;
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 6c98f4ae5ea9..a0f6de8040c5 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -2205,7 +2205,8 @@ static int __init dm_multipath_init(void)
{
int r = -ENOMEM;
- kmultipathd = alloc_workqueue("kmpathd", WQ_MEM_RECLAIM, 0);
+ kmultipathd = alloc_workqueue("kmpathd", WQ_MEM_RECLAIM | WQ_PERCPU,
+ 0);
if (!kmultipathd) {
DMERR("failed to create workqueue kmpathd");
goto bad_alloc_kmultipathd;
@@ -2224,7 +2225,7 @@ static int __init dm_multipath_init(void)
goto bad_alloc_kmpath_handlerd;
}
- dm_mpath_wq = alloc_workqueue("dm_mpath_wq", 0, 0);
+ dm_mpath_wq = alloc_workqueue("dm_mpath_wq", WQ_PERCPU, 0);
if (!dm_mpath_wq) {
DMERR("failed to create workqueue dm_mpath_wq");
goto bad_alloc_dm_mpath_wq;
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 9e615b4f1f5e..3e773591d1c6 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1129,7 +1129,8 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
ti->num_discard_bios = 1;
ti->per_io_data_size = sizeof(struct dm_raid1_bio_record);
- ms->kmirrord_wq = alloc_workqueue("kmirrord", WQ_MEM_RECLAIM, 0);
+ ms->kmirrord_wq = alloc_workqueue("kmirrord",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!ms->kmirrord_wq) {
DMERR("couldn't start kmirrord");
r = -ENOMEM;
@@ -1501,7 +1502,7 @@ static int __init dm_mirror_init(void)
{
int r;
- dm_raid1_wq = alloc_workqueue("dm_raid1_wq", 0, 0);
+ dm_raid1_wq = alloc_workqueue("dm_raid1_wq", WQ_PERCPU, 0);
if (!dm_raid1_wq) {
DMERR("Failed to alloc workqueue");
return -ENOMEM;
diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index 568d10842b1f..0e13d60bfdd1 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -871,7 +871,8 @@ static int persistent_ctr(struct dm_exception_store *store, char *options)
atomic_set(&ps->pending_count, 0);
ps->callbacks = NULL;
- ps->metadata_wq = alloc_workqueue("ksnaphd", WQ_MEM_RECLAIM, 0);
+ ps->metadata_wq = alloc_workqueue("ksnaphd",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!ps->metadata_wq) {
DMERR("couldn't start header metadata update thread");
r = -ENOMEM;
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index a1b7535c508a..4241992228a6 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -485,7 +485,7 @@ int __init dm_stripe_init(void)
{
int r;
- dm_stripe_wq = alloc_workqueue("dm_stripe_wq", 0, 0);
+ dm_stripe_wq = alloc_workqueue("dm_stripe_wq", WQ_PERCPU, 0);
if (!dm_stripe_wq)
return -ENOMEM;
r = dm_register_target(&stripe_target);
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index 3c427f18a04b..50e59a161486 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -1665,7 +1665,9 @@ static int verity_ctr(struct dm_target *ti, unsigned int argc, char **argv)
* will fall-back to using it for error handling (or if the bufio cache
* doesn't have required hashes).
*/
- v->verify_wq = alloc_workqueue("kverityd", WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
+ v->verify_wq = alloc_workqueue("kverityd",
+ WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_PERCPU,
+ 0);
if (!v->verify_wq) {
ti->error = "Cannot allocate workqueue";
r = -ENOMEM;
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index d6a04a57472d..8a50e7e88f2e 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -2276,7 +2276,8 @@ static int writecache_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad;
}
- wc->writeback_wq = alloc_workqueue("writecache-writeback", WQ_MEM_RECLAIM, 1);
+ wc->writeback_wq = alloc_workqueue("writecache-writeback",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 1);
if (!wc->writeback_wq) {
r = -ENOMEM;
ti->error = "Could not allocate writeback workqueue";
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 5ab7574c0c76..84b2746d7672 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2344,7 +2344,8 @@ static struct mapped_device *alloc_dev(int minor)
format_dev_t(md->name, MKDEV(_major, minor));
- md->wq = alloc_workqueue("kdmflush/%s", WQ_MEM_RECLAIM, 0, md->name);
+ md->wq = alloc_workqueue("kdmflush/%s", WQ_MEM_RECLAIM | WQ_PERCPU, 0,
+ md->name);
if (!md->wq)
goto bad;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9daa78c5fe33..1f0b047618f7 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -9929,11 +9929,11 @@ static int __init md_init(void)
{
int ret = -ENOMEM;
- md_wq = alloc_workqueue("md", WQ_MEM_RECLAIM, 0);
+ md_wq = alloc_workqueue("md", WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!md_wq)
goto err_wq;
- md_misc_wq = alloc_workqueue("md_misc", 0, 0);
+ md_misc_wq = alloc_workqueue("md_misc", WQ_PERCPU, 0);
if (!md_misc_wq)
goto err_misc_wq;
diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c
index 40e6c873c36d..d240e291ba4f 100644
--- a/drivers/media/pci/ddbridge/ddbridge-core.c
+++ b/drivers/media/pci/ddbridge/ddbridge-core.c
@@ -3430,7 +3430,7 @@ int ddb_init_ddbridge(void)
if (ddb_class_create() < 0)
return -1;
- ddb_wq = alloc_workqueue("ddbridge", 0, 0);
+ ddb_wq = alloc_workqueue("ddbridge", WQ_PERCPU, 0);
if (!ddb_wq)
return ddb_exit_ddbridge(1, -1);
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
index f571f561f070..fa6af1cc5eba 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
@@ -274,14 +274,16 @@ static int mdp_probe(struct platform_device *pdev)
goto err_free_mutex;
}
- mdp->job_wq = alloc_workqueue(MDP_MODULE_NAME, WQ_FREEZABLE, 0);
+ mdp->job_wq = alloc_workqueue(MDP_MODULE_NAME,
+ WQ_FREEZABLE | WQ_PERCPU, 0);
if (!mdp->job_wq) {
dev_err(dev, "Unable to create job workqueue\n");
ret = -ENOMEM;
goto err_deinit_comp;
}
- mdp->clock_wq = alloc_workqueue(MDP_MODULE_NAME "-clock", WQ_FREEZABLE,
+ mdp->clock_wq = alloc_workqueue(MDP_MODULE_NAME "-clock",
+ WQ_FREEZABLE | WQ_PERCPU,
0);
if (!mdp->clock_wq) {
dev_err(dev, "Unable to create clock workqueue\n");
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 738bc4e60a18..e60a8d3947c9 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1857,7 +1857,8 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work);
ioc->reset_work_q =
- alloc_workqueue("mpt_poll_%d", WQ_MEM_RECLAIM, 0, ioc->id);
+ alloc_workqueue("mpt_poll_%d", WQ_MEM_RECLAIM | WQ_PERCPU, 0,
+ ioc->id);
if (!ioc->reset_work_q) {
printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n",
ioc->name);
@@ -1984,7 +1985,9 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
INIT_LIST_HEAD(&ioc->fw_event_list);
spin_lock_init(&ioc->fw_event_lock);
- ioc->fw_event_q = alloc_workqueue("mpt/%d", WQ_MEM_RECLAIM, 0, ioc->id);
+ ioc->fw_event_q = alloc_workqueue("mpt/%d",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0,
+ ioc->id);
if (!ioc->fw_event_q) {
printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n",
ioc->name);
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 4830628510e6..744444fc26db 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -3325,7 +3325,8 @@ static int mmc_blk_probe(struct mmc_card *card)
mmc_fixup_device(card, mmc_blk_fixups);
card->complete_wq = alloc_workqueue("mmc_complete",
- WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
+ WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_PERCPU,
+ 0);
if (!card->complete_wq) {
pr_err("Failed to create mmc completion workqueue");
return -ENOMEM;
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index c50617d03709..ec890aa0c7b2 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1483,7 +1483,7 @@ static int mmc_omap_probe(struct platform_device *pdev)
host->nr_slots = pdata->nr_slots;
host->reg_shift = (mmc_omap7xx() ? 1 : 2);
- host->mmc_omap_wq = alloc_workqueue("mmc_omap", 0, 0);
+ host->mmc_omap_wq = alloc_workqueue("mmc_omap", WQ_PERCPU, 0);
if (!host->mmc_omap_wq) {
ret = -ENOMEM;
goto err_plat_cleanup;
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 26c459f0198d..4cfdb56ed930 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -3022,6 +3022,8 @@ static int __init nvme_tcp_init_module(void)
if (wq_unbound)
wq_flags |= WQ_UNBOUND;
+ else
+ wq_flags |= WQ_PERCPU;
nvme_tcp_wq = alloc_workqueue("nvme_tcp_wq", wq_flags, 0);
if (!nvme_tcp_wq)
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 71f8d06998d6..9b0ea6b98a3d 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -1896,12 +1896,13 @@ static int __init nvmet_init(void)
if (!nvmet_bvec_cache)
return -ENOMEM;
- zbd_wq = alloc_workqueue("nvmet-zbd-wq", WQ_MEM_RECLAIM, 0);
+ zbd_wq = alloc_workqueue("nvmet-zbd-wq", WQ_MEM_RECLAIM | WQ_PERCPU,
+ 0);
if (!zbd_wq)
goto out_destroy_bvec_cache;
buffered_io_wq = alloc_workqueue("nvmet-buffered-io-wq",
- WQ_MEM_RECLAIM, 0);
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!buffered_io_wq)
goto out_free_zbd_work_queue;
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 7318b736d414..29462766773a 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -795,9 +795,9 @@ nvmet_fc_alloc_target_queue(struct nvmet_fc_tgt_assoc *assoc,
if (!queue)
return NULL;
- queue->work_q = alloc_workqueue("ntfc%d.%d.%d", 0, 0,
- assoc->tgtport->fc_target_port.port_num,
- assoc->a_id, qid);
+ queue->work_q = alloc_workqueue("ntfc%d.%d.%d", WQ_PERCPU, 0,
+ assoc->tgtport->fc_target_port.port_num,
+ assoc->a_id, qid);
if (!queue->work_q)
goto out_free_queue;
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index f2d0c920269b..cf9435c5fa6c 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -2233,7 +2233,7 @@ static int __init nvmet_tcp_init(void)
int ret;
nvmet_tcp_wq = alloc_workqueue("nvmet_tcp_wq",
- WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
+ WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_PERCPU, 0);
if (!nvmet_tcp_wq)
return -ENOMEM;
diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c
index 6643a88c7a0c..27de533f0571 100644
--- a/drivers/pci/endpoint/functions/pci-epf-mhi.c
+++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c
@@ -686,7 +686,7 @@ static int pci_epf_mhi_dma_init(struct pci_epf_mhi *epf_mhi)
goto err_release_tx;
}
- epf_mhi->dma_wq = alloc_workqueue("pci_epf_mhi_dma_wq", 0, 0);
+ epf_mhi->dma_wq = alloc_workqueue("pci_epf_mhi_dma_wq", WQ_PERCPU, 0);
if (!epf_mhi->dma_wq) {
ret = -ENOMEM;
goto err_release_rx;
diff --git a/drivers/pci/endpoint/functions/pci-epf-ntb.c b/drivers/pci/endpoint/functions/pci-epf-ntb.c
index e01a98e74d21..5e4ae7ef6f05 100644
--- a/drivers/pci/endpoint/functions/pci-epf-ntb.c
+++ b/drivers/pci/endpoint/functions/pci-epf-ntb.c
@@ -2124,8 +2124,9 @@ static int __init epf_ntb_init(void)
{
int ret;
- kpcintb_workqueue = alloc_workqueue("kpcintb", WQ_MEM_RECLAIM |
- WQ_HIGHPRI, 0);
+ kpcintb_workqueue = alloc_workqueue("kpcintb",
+ WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_PERCPU,
+ 0);
ret = pci_epf_register_driver(&epf_ntb_driver);
if (ret) {
destroy_workqueue(kpcintb_workqueue);
diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
index 50eb4106369f..416d792c03b2 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -1036,7 +1036,8 @@ static int __init pci_epf_test_init(void)
int ret;
kpcitest_workqueue = alloc_workqueue("kpcitest",
- WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
+ WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_PERCPU,
+ 0);
if (!kpcitest_workqueue) {
pr_err("Failed to allocate the kpcitest work queue\n");
return -ENOMEM;
diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c
index 874cb097b093..7ef693f38c30 100644
--- a/drivers/pci/endpoint/functions/pci-epf-vntb.c
+++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c
@@ -1434,8 +1434,9 @@ static int __init epf_ntb_init(void)
{
int ret;
- kpcintb_workqueue = alloc_workqueue("kpcintb", WQ_MEM_RECLAIM |
- WQ_HIGHPRI, 0);
+ kpcintb_workqueue = alloc_workqueue("kpcintb",
+ WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_PERCPU,
+ 0);
ret = pci_epf_register_driver(&epf_ntb_driver);
if (ret) {
destroy_workqueue(kpcintb_workqueue);
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index 573a41869c15..4fe2bb1b7768 100644
--- a/drivers/pci/hotplug/pnv_php.c
+++ b/drivers/pci/hotplug/pnv_php.c
@@ -844,7 +844,8 @@ static void pnv_php_init_irq(struct pnv_php_slot *php_slot, int irq)
int ret;
/* Allocate workqueue */
- php_slot->wq = alloc_workqueue("pciehp-%s", 0, 0, php_slot->name);
+ php_slot->wq = alloc_workqueue("pciehp-%s", WQ_PERCPU, 0,
+ php_slot->name);
if (!php_slot->wq) {
SLOT_WARN(php_slot, "Cannot alloc workqueue\n");
pnv_php_disable_irq(php_slot, true);
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 0c341453afc6..56308515ecba 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -80,7 +80,8 @@ static int init_slots(struct controller *ctrl)
slot->device = ctrl->slot_device_offset + i;
slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i);
- slot->wq = alloc_workqueue("shpchp-%d", 0, 0, slot->number);
+ slot->wq = alloc_workqueue("shpchp-%d", WQ_PERCPU, 0,
+ slot->number);
if (!slot->wq) {
retval = -ENOMEM;
goto error_slot;
diff --git a/drivers/platform/surface/surface_acpi_notify.c b/drivers/platform/surface/surface_acpi_notify.c
index 3b30cfe3466b..a9dcb0bbe90e 100644
--- a/drivers/platform/surface/surface_acpi_notify.c
+++ b/drivers/platform/surface/surface_acpi_notify.c
@@ -862,7 +862,7 @@ static int __init san_init(void)
{
int ret;
- san_wq = alloc_workqueue("san_wq", 0, 0);
+ san_wq = alloc_workqueue("san_wq", WQ_PERCPU, 0);
if (!san_wq)
return -ENOMEM;
ret = platform_driver_register(&surface_acpi_notify);
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index 9544b8ee0c96..8b7fbfbbe70e 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -2097,7 +2097,7 @@ int rio_init_mports(void)
* TODO: Implement restart of discovery process for all or
* individual discovering mports.
*/
- rio_wq = alloc_workqueue("riodisc", 0, 0);
+ rio_wq = alloc_workqueue("riodisc", WQ_PERCPU, 0);
if (!rio_wq) {
pr_err("RIO: unable allocate rio_wq\n");
goto no_disc;
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 7d1b767d87fb..1a3ba0293716 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -5633,7 +5633,8 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
phba->ctrl.mcc_alloc_index = phba->ctrl.mcc_free_index = 0;
- phba->wq = alloc_workqueue("beiscsi_%02x_wq", WQ_MEM_RECLAIM, 1,
+ phba->wq = alloc_workqueue("beiscsi_%02x_wq",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 1,
phba->shost->host_no);
if (!phba->wq) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index de6574cccf58..3a9c429d1eb6 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -2695,7 +2695,7 @@ static int __init bnx2fc_mod_init(void)
if (rc)
goto detach_ft;
- bnx2fc_wq = alloc_workqueue("bnx2fc", 0, 0);
+ bnx2fc_wq = alloc_workqueue("bnx2fc", WQ_PERCPU, 0);
if (!bnx2fc_wq) {
rc = -ENOMEM;
goto release_bt;
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 1bf5948d1188..6fd89ae33059 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -1300,7 +1300,7 @@ static int __init alua_init(void)
{
int r;
- kaluad_wq = alloc_workqueue("kaluad", WQ_MEM_RECLAIM, 0);
+ kaluad_wq = alloc_workqueue("kaluad", WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!kaluad_wq)
return -ENOMEM;
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index b911fdb387f3..0f749ae781d6 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -2458,7 +2458,7 @@ static int __init fcoe_init(void)
unsigned int cpu;
int rc = 0;
- fcoe_wq = alloc_workqueue("fcoe", 0, 0);
+ fcoe_wq = alloc_workqueue("fcoe", WQ_PERCPU, 0);
if (!fcoe_wq)
return -ENOMEM;
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index 9e42230e42b8..cde265752e0d 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -3533,7 +3533,8 @@ static int ibmvscsis_probe(struct vio_dev *vdev,
init_completion(&vscsi->wait_idle);
init_completion(&vscsi->unconfig);
- vscsi->work_q = alloc_workqueue("ibmvscsis%s", WQ_MEM_RECLAIM, 1,
+ vscsi->work_q = alloc_workqueue("ibmvscsis%s",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 1,
dev_name(&vdev->dev));
if (!vscsi->work_q) {
rc = -ENOMEM;
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 90021653e59e..becd7f081e5f 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -7938,7 +7938,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
/* Allocate all driver workqueues here */
/* The lpfc_wq workqueue for deferred irq use */
- phba->wq = alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM, 0);
+ phba->wq = alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!phba->wq)
return -ENOMEM;
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 599410bcdfea..9f00fc10dbaf 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -1533,7 +1533,7 @@ static int __init pm8001_init(void)
if (pm8001_use_tasklet && !pm8001_use_msix)
pm8001_use_tasklet = false;
- pm8001_wq = alloc_workqueue("pm80xx", 0, 0);
+ pm8001_wq = alloc_workqueue("pm80xx", WQ_PERCPU, 0);
if (!pm8001_wq)
goto err;
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 436bd29d5eba..df016beaa789 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3374,7 +3374,8 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_INFO, "qedf->io_mempool=%p.\n",
qedf->io_mempool);
- qedf->link_update_wq = alloc_workqueue("qedf_%u_link", WQ_MEM_RECLAIM,
+ qedf->link_update_wq = alloc_workqueue("qedf_%u_link",
+ WQ_MEM_RECLAIM | WQ_PERCPU,
1, qedf->lport->host->host_no);
INIT_DELAYED_WORK(&qedf->link_update, qedf_handle_link_update);
INIT_DELAYED_WORK(&qedf->link_recovery, qedf_link_recovery);
@@ -3585,7 +3586,8 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
ether_addr_copy(params.ll2_mac_address, qedf->mac);
/* Start LL2 processing thread */
- qedf->ll2_recv_wq = alloc_workqueue("qedf_%d_ll2", WQ_MEM_RECLAIM, 1,
+ qedf->ll2_recv_wq = alloc_workqueue("qedf_%d_ll2",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 1,
host->host_no);
if (!qedf->ll2_recv_wq) {
QEDF_ERR(&(qedf->dbg_ctx), "Failed to LL2 workqueue.\n");
@@ -3628,7 +3630,8 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
}
qedf->timer_work_queue = alloc_workqueue("qedf_%u_timer",
- WQ_MEM_RECLAIM, 1, qedf->lport->host->host_no);
+ WQ_MEM_RECLAIM | WQ_PERCPU, 1,
+ qedf->lport->host->host_no);
if (!qedf->timer_work_queue) {
QEDF_ERR(&(qedf->dbg_ctx), "Failed to start timer "
"workqueue.\n");
@@ -3641,7 +3644,8 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
sprintf(host_buf, "qedf_%u_dpc",
qedf->lport->host->host_no);
qedf->dpc_wq =
- alloc_workqueue("%s", WQ_MEM_RECLAIM, 1, host_buf);
+ alloc_workqueue("%s", WQ_MEM_RECLAIM | WQ_PERCPU, 1,
+ host_buf);
}
INIT_DELAYED_WORK(&qedf->recovery_work, qedf_recovery_handler);
@@ -4177,7 +4181,8 @@ static int __init qedf_init(void)
goto err3;
}
- qedf_io_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 1, "qedf_io_wq");
+ qedf_io_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM | WQ_PERCPU, 1,
+ "qedf_io_wq");
if (!qedf_io_wq) {
QEDF_ERR(NULL, "Could not create qedf_io_wq.\n");
goto err4;
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index e87885cc701c..4cccb62639e0 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -2776,7 +2776,7 @@ static int __qedi_probe(struct pci_dev *pdev, int mode)
}
qedi->offload_thread = alloc_workqueue("qedi_ofld%d",
- WQ_MEM_RECLAIM,
+ WQ_MEM_RECLAIM | WQ_PERCPU,
1, qedi->shost->host_no);
if (!qedi->offload_thread) {
QEDI_ERR(&qedi->dbg_ctx,
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 87eeb8607b60..cecbeb16f54e 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3409,7 +3409,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
"req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
- ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
+ ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (unlikely(!ha->wq)) {
ret = -ENOMEM;
goto probe_failed;
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 11eadb3bd36e..5ebe89d548a8 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -7300,7 +7300,7 @@ int __init qlt_init(void)
goto out_plogi_cachep;
}
- qla_tgt_wq = alloc_workqueue("qla_tgt_wq", 0, 0);
+ qla_tgt_wq = alloc_workqueue("qla_tgt_wq", WQ_PERCPU, 0);
if (!qla_tgt_wq) {
ql_log(ql_log_fatal, NULL, 0xe06f,
"alloc_workqueue for qla_tgt_wq failed\n");
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index ceaf1c7b1d17..79374bf5548d 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -1884,7 +1884,7 @@ static int tcm_qla2xxx_register_configfs(void)
goto out_fabric;
tcm_qla2xxx_free_wq = alloc_workqueue("tcm_qla2xxx_free",
- WQ_MEM_RECLAIM, 0);
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!tcm_qla2xxx_free_wq) {
ret = -ENOMEM;
goto out_fabric_npiv;
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index d540d66e6ffc..7ab3b27c8793 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -8815,7 +8815,8 @@ static int qla4xxx_probe_adapter(struct pci_dev *pdev,
}
INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
- ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1,
+ ha->task_wq = alloc_workqueue("qla4xxx_%lu_task",
+ WQ_MEM_RECLAIM | WQ_PERCPU, 1,
ha->host_no);
if (!ha->task_wq) {
ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 082f76e76721..e750682893b6 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -441,13 +441,14 @@ static int fc_host_setup(struct transport_container *tc, struct device *dev,
fc_host->next_vport_number = 0;
fc_host->npiv_vports_inuse = 0;
- fc_host->work_q = alloc_workqueue("fc_wq_%d", 0, 0, shost->host_no);
+ fc_host->work_q = alloc_workqueue("fc_wq_%d", WQ_PERCPU, 0,
+ shost->host_no);
if (!fc_host->work_q)
return -ENOMEM;
fc_host->dev_loss_tmo = fc_dev_loss_tmo;
- fc_host->devloss_work_q = alloc_workqueue("fc_dl_%d", 0, 0,
- shost->host_no);
+ fc_host->devloss_work_q = alloc_workqueue("fc_dl_%d", WQ_PERCPU, 0,
+ shost->host_no);
if (!fc_host->devloss_work_q) {
destroy_workqueue(fc_host->work_q);
fc_host->work_q = NULL;
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index 4dc8aba33d9b..a4890542b933 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -1073,7 +1073,7 @@ EXPORT_SYMBOL(qman_portal_set_iperiod);
int qman_wq_alloc(void)
{
- qm_portal_wq = alloc_workqueue("qman_portal_wq", 0, 1);
+ qm_portal_wq = alloc_workqueue("qman_portal_wq", WQ_PERCPU, 1);
if (!qm_portal_wq)
return -ENOMEM;
return 0;
diff --git a/drivers/staging/greybus/sdio.c b/drivers/staging/greybus/sdio.c
index 5326ea372b24..12c36a5e1d8c 100644
--- a/drivers/staging/greybus/sdio.c
+++ b/drivers/staging/greybus/sdio.c
@@ -806,7 +806,7 @@ static int gb_sdio_probe(struct gbphy_device *gbphy_dev,
mutex_init(&host->lock);
spin_lock_init(&host->xfer);
- host->mrq_workqueue = alloc_workqueue("mmc-%s", 0, 1,
+ host->mrq_workqueue = alloc_workqueue("mmc-%s", WQ_PERCPU, 1,
dev_name(&gbphy_dev->dev));
if (!host->mrq_workqueue) {
ret = -ENOMEM;
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 05d29201b730..cb0758a19973 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -126,12 +126,12 @@ int init_se_kmem_caches(void)
}
target_completion_wq = alloc_workqueue("target_completion",
- WQ_MEM_RECLAIM, 0);
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!target_completion_wq)
goto out_free_lba_map_mem_cache;
target_submission_wq = alloc_workqueue("target_submission",
- WQ_MEM_RECLAIM, 0);
+ WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!target_submission_wq)
goto out_free_completion_wq;
diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c
index 877ce58c0a70..93534a6e14b7 100644
--- a/drivers/target/target_core_xcopy.c
+++ b/drivers/target/target_core_xcopy.c
@@ -462,7 +462,7 @@ static const struct target_core_fabric_ops xcopy_pt_tfo = {
int target_xcopy_setup_pt(void)
{
- xcopy_wq = alloc_workqueue("xcopy_wq", WQ_MEM_RECLAIM, 0);
+ xcopy_wq = alloc_workqueue("xcopy_wq", WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!xcopy_wq) {
pr_err("Unable to allocate xcopy_wq\n");
return -ENOMEM;
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 639fc358ed0f..f686d95d3273 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -250,7 +250,7 @@ static struct se_portal_group *ft_add_tpg(struct se_wwn *wwn, const char *name)
tpg->lport_wwn = ft_wwn;
INIT_LIST_HEAD(&tpg->lun_list);
- wq = alloc_workqueue("tcm_fc", 0, 1);
+ wq = alloc_workqueue("tcm_fc", WQ_PERCPU, 1);
if (!wq) {
kfree(tpg);
return NULL;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 0e1dd6ef60a7..c06357d31ce7 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -6038,7 +6038,7 @@ int usb_hub_init(void)
* device was gone before the EHCI controller had handed its port
* over to the companion full-speed controller.
*/
- hub_wq = alloc_workqueue("usb_hub_wq", WQ_FREEZABLE, 0);
+ hub_wq = alloc_workqueue("usb_hub_wq", WQ_FREEZABLE | WQ_PERCPU, 0);
if (hub_wq)
return 0;
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 740311c4fa24..637ee8de8c00 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -1254,8 +1254,7 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
INIT_WORK(&hidg->work, get_report_workqueue_handler);
hidg->workqueue = alloc_workqueue("report_work",
- WQ_FREEZABLE |
- WQ_MEM_RECLAIM,
+ WQ_FREEZABLE | WQ_MEM_RECLAIM | WQ_PERCPU,
1);
if (!hidg->workqueue) {
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 4ed0dc19afe0..0657f5f7a51f 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -1265,7 +1265,7 @@ static int __init uas_init(void)
{
int rv;
- workqueue = alloc_workqueue("uas", WQ_MEM_RECLAIM, 0);
+ workqueue = alloc_workqueue("uas", WQ_MEM_RECLAIM | WQ_PERCPU, 0);
if (!workqueue)
return -ENOMEM;
diff --git a/drivers/usb/typec/anx7411.c b/drivers/usb/typec/anx7411.c
index 0ae0a5ee3fae..2e8ae1d2faf9 100644
--- a/drivers/usb/typec/anx7411.c
+++ b/drivers/usb/typec/anx7411.c
@@ -1516,8 +1516,7 @@ static int anx7411_i2c_probe(struct i2c_client *client)
INIT_WORK(&plat->work, anx7411_work_func);
plat->workqueue = alloc_workqueue("anx7411_work",
- WQ_FREEZABLE |
- WQ_MEM_RECLAIM,
+ WQ_FREEZABLE | WQ_MEM_RECLAIM | WQ_PERCPU,
1);
if (!plat->workqueue) {
dev_err(dev, "fail to create work queue\n");
diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index 6a9a37351310..958a1454de2c 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -2172,7 +2172,8 @@ static int vduse_init(void)
if (!vduse_irq_wq)
goto err_wq;
- vduse_irq_bound_wq = alloc_workqueue("vduse-irq-bound", WQ_HIGHPRI, 0);
+ vduse_irq_bound_wq = alloc_workqueue("vduse-irq-bound",
+ WQ_HIGHPRI | WQ_PERCPU, 0);
if (!vduse_irq_bound_wq)
goto err_bound_wq;
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 89da052f4f68..d26fd2d910ac 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -987,7 +987,8 @@ static int virtballoon_probe(struct virtio_device *vdev)
goto out_del_vqs;
}
vb->balloon_wq = alloc_workqueue("balloon-wq",
- WQ_FREEZABLE | WQ_CPU_INTENSIVE, 0);
+ WQ_FREEZABLE | WQ_CPU_INTENSIVE | WQ_PERCPU,
+ 0);
if (!vb->balloon_wq) {
err = -ENOMEM;
goto out_del_vqs;
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 13a10f3294a8..db29356cb92e 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -1093,7 +1093,8 @@ static long privcmd_ioctl_irqfd(struct file *file, void __user *udata)
static int privcmd_irqfd_init(void)
{
- irqfd_cleanup_wq = alloc_workqueue("privcmd-irqfd-cleanup", 0, 0);
+ irqfd_cleanup_wq = alloc_workqueue("privcmd-irqfd-cleanup", WQ_PERCPU,
+ 0);
if (!irqfd_cleanup_wq)
return -ENOMEM;
--
2.51.0
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2025-09-05 8:58 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2025-09-05 8:57 [PATCH 0/3] drivers: replace wq users and add WQ_PERCPU to alloc_workqueue() users Marco Crivellari
2025-09-05 8:57 ` [PATCH 1/3] drivers: replace use of system_unbound_wq with system_dfl_wq Marco Crivellari
2025-09-05 8:58 ` [PATCH 2/3] drivers: replace use of system_wq with system_percpu_wq Marco Crivellari
2025-09-05 8:58 ` [PATCH 3/3] drivers: WQ_PERCPU added to alloc_workqueue users Marco Crivellari
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®