From: kbuild test robot <lkp@intel.com>
To: Julien Thierry <julien.thierry@arm.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
tglx@linutronix.de, peterz@infradead.org, marc.zyngier@arm.com,
mingo@kernel.org, Julien Thierry <julien.thierry@arm.com>
Subject: Re: [PATCH v2 2/4] genirq: Provide NMI management for percpu_devid interrupts
Date: Wed, 29 Aug 2018 17:44:53 +0800 [thread overview]
Message-ID: <201808291750.L2thowYH%fengguang.wu@intel.com> (raw)
In-Reply-To: <1535470188-38155-3-git-send-email-julien.thierry@arm.com>
[-- Attachment #1: Type: text/plain, Size: 15495 bytes --]
Hi Julien,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v4.19-rc1 next-20180829]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Julien-Thierry/genirq-Provide-basic-NMI-management-for-interrupt-lines/20180829-063713
reproduce: make htmldocs
All warnings (new ones prefixed by >>):
WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org)
kernel/irq/manage.c:2080: warning: Function parameter or member 'irqflags' not described in 'request_nmi'
kernel/irq/manage.c:2080: warning: Excess function parameter 'flags' description in 'request_nmi'
>> kernel/irq/manage.c:2442: warning: Function parameter or member 'name' not described in 'request_percpu_nmi'
kernel/irq/manage.c:2442: warning: Excess function parameter 'devname' description in 'request_percpu_nmi'
kernel/irq/manage.c:2081: warning: Excess function parameter 'flags' description in 'request_nmi'
kernel/irq/manage.c:2443: warning: Excess function parameter 'devname' description in 'request_percpu_nmi'
include/linux/srcu.h:175: warning: Function parameter or member 'p' not described in 'srcu_dereference_notrace'
include/linux/srcu.h:175: warning: Function parameter or member 'sp' not described in 'srcu_dereference_notrace'
include/linux/gfp.h:1: warning: no structured comments found
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.ibss' not described in 'wireless_dev'
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.connect' not described in 'wireless_dev'
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.keys' not described in 'wireless_dev'
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.ie' not described in 'wireless_dev'
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.ie_len' not described in 'wireless_dev'
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.bssid' not described in 'wireless_dev'
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.ssid' not described in 'wireless_dev'
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.default_key' not described in 'wireless_dev'
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.default_mgmt_key' not described in 'wireless_dev'
include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.prev_bssid_valid' not described in 'wireless_dev'
include/net/mac80211.h:2328: warning: Function parameter or member 'radiotap_timestamp.units_pos' not described in 'ieee80211_hw'
include/net/mac80211.h:2328: warning: Function parameter or member 'radiotap_timestamp.accuracy' not described in 'ieee80211_hw'
include/net/mac80211.h:977: warning: Function parameter or member 'control.rates' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.rts_cts_rate_idx' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.use_rts' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.use_cts_prot' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.short_preamble' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.skip_table' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.jiffies' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.vif' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.hw_key' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.flags' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'control.enqueue_time' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'ack' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'ack.cookie' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'status.rates' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'status.ack_signal' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'status.ampdu_ack_len' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'status.ampdu_len' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'status.antenna' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'status.tx_time' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'status.is_valid_ack_signal' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'status.status_driver_data' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'driver_rates' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'pad' not described in 'ieee80211_tx_info'
include/net/mac80211.h:977: warning: Function parameter or member 'rate_driver_data' not described in 'ieee80211_tx_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg.signal' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'rx_stats_avg.chain_signal' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.filtered' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.retry_failed' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.retry_count' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.lost_packets' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_tdls_pkt_time' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.msdu_retries' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.msdu_failed' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_ack' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.last_ack_signal' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.ack_signal_filled' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'status_stats.avg_ack_signal' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.packets' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.bytes' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.last_rate' not described in 'sta_info'
net/mac80211/sta_info.h:588: warning: Function parameter or member 'tx_stats.msdu' not described in 'sta_info'
include/linux/mod_devicetable.h:763: warning: Function parameter or member 'driver_data' not described in 'typec_device_id'
kernel/sched/fair.c:3371: warning: Function parameter or member 'flags' not described in 'attach_entity_load_avg'
arch/x86/include/asm/atomic.h:84: warning: Excess function parameter 'i' description in 'arch_atomic_sub_and_test'
arch/x86/include/asm/atomic.h:84: warning: Excess function parameter 'v' description in 'arch_atomic_sub_and_test'
arch/x86/include/asm/atomic.h:96: warning: Excess function parameter 'v' description in 'arch_atomic_inc'
arch/x86/include/asm/atomic.h:109: warning: Excess function parameter 'v' description in 'arch_atomic_dec'
arch/x86/include/asm/atomic.h:124: warning: Excess function parameter 'v' description in 'arch_atomic_dec_and_test'
arch/x86/include/asm/atomic.h:138: warning: Excess function parameter 'v' description in 'arch_atomic_inc_and_test'
arch/x86/include/asm/atomic.h:153: warning: Excess function parameter 'i' description in 'arch_atomic_add_negative'
arch/x86/include/asm/atomic.h:153: warning: Excess function parameter 'v' description in 'arch_atomic_add_negative'
include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.cb' not described in 'dma_buf'
include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.poll' not described in 'dma_buf'
include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.active' not described in 'dma_buf'
include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.cb' not described in 'dma_buf'
include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.poll' not described in 'dma_buf'
include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.active' not described in 'dma_buf'
include/linux/dma-fence-array.h:54: warning: Function parameter or member 'work' not described in 'dma_fence_array'
include/linux/gpio/driver.h:142: warning: Function parameter or member 'request_key' not described in 'gpio_irq_chip'
include/linux/iio/hw-consumer.h:1: warning: no structured comments found
include/linux/input/sparse-keymap.h:46: warning: Function parameter or member 'sw' not described in 'key_entry'
drivers/pci/pci.c:218: warning: Excess function parameter 'p' description in 'pci_dev_str_match_path'
include/linux/regulator/driver.h:227: warning: Function parameter or member 'resume' not described in 'regulator_ops'
drivers/regulator/core.c:4479: warning: Excess function parameter 'state' description in 'regulator_suspend'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw0' not described in 'irb'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw1' not described in 'irb'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw2' not described in 'irb'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw3' not described in 'irb'
arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.eadm' not described in 'irb'
drivers/slimbus/stream.c:1: warning: no structured comments found
drivers/target/target_core_device.c:1: warning: no structured comments found
drivers/usb/dwc3/gadget.c:510: warning: Excess function parameter 'dwc' description in 'dwc3_gadget_start_config'
drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
drivers/usb/typec/class.c:1497: warning: Excess function parameter 'drvdata' description in 'typec_port_register_altmode'
vim +2442 kernel/irq/manage.c
2417
2418 /**
2419 * request_percpu_nmi - allocate a percpu interrupt line for NMI delivery
2420 * @irq: Interrupt line to allocate
2421 * @handler: Function to be called when the IRQ occurs.
2422 * @devname: An ascii name for the claiming device
2423 * @dev_id: A percpu cookie passed back to the handler function
2424 *
2425 * This call allocates interrupt resources and enables the
2426 * interrupt on the local CPU. If the interrupt is supposed to be
2427 * enabled on other CPUs, it has to be done on each CPU using
2428 * enable_percpu_nmi().
2429 *
2430 * Dev_id must be globally unique. It is a per-cpu variable, and
2431 * the handler gets called with the interrupted CPU's instance of
2432 * that variable.
2433 *
2434 * Interrupt lines requested for NMI delivering should have auto enabling
2435 * setting disabled.
2436 *
2437 * If the interrupt line cannot be used to deliver NMIs, function
2438 * will fail returning a negative value.
2439 */
2440 int request_percpu_nmi(unsigned int irq, irq_handler_t handler,
2441 const char *name, void __percpu *dev_id)
> 2442 {
2443 struct irqaction *action;
2444 struct irq_desc *desc;
2445 unsigned long flags;
2446 int retval;
2447
2448 if (!handler)
2449 return -EINVAL;
2450
2451 desc = irq_to_desc(irq);
2452
2453 if (!desc || !irq_settings_can_request(desc) ||
2454 !irq_settings_is_per_cpu_devid(desc) ||
2455 irq_settings_can_autoenable(desc) ||
2456 !irq_supports_nmi(desc))
2457 return -EINVAL;
2458
2459 /* The line cannot already be NMI */
2460 if (desc->istate & IRQS_NMI)
2461 return -EINVAL;
2462
2463 action = kzalloc(sizeof(struct irqaction), GFP_KERNEL);
2464 if (!action)
2465 return -ENOMEM;
2466
2467 action->handler = handler;
2468 action->flags = IRQF_PERCPU | IRQF_NO_SUSPEND | IRQF_NO_THREAD
2469 | IRQF_NOBALANCING;
2470 action->name = name;
2471 action->percpu_dev_id = dev_id;
2472
2473 retval = irq_chip_pm_get(&desc->irq_data);
2474 if (retval < 0)
2475 goto err_out;
2476
2477 retval = __setup_irq(irq, desc, action);
2478 if (retval)
2479 goto err_irq_setup;
2480
2481 raw_spin_lock_irqsave(&desc->lock, flags);
2482 desc->istate |= IRQS_NMI;
2483 raw_spin_unlock_irqrestore(&desc->lock, flags);
2484
2485 return 0;
2486
2487 err_irq_setup:
2488 irq_chip_pm_put(&desc->irq_data);
2489 err_out:
2490 kfree(action);
2491
2492 return retval;
2493 }
2494
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2018-08-29 9:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-28 15:29 [PATCH v2 0/4] Provide core API for NMIs Julien Thierry
2018-08-28 15:29 ` [PATCH v2 1/4] genirq: Provide basic NMI management for interrupt lines Julien Thierry
2018-08-29 4:50 ` kbuild test robot
2018-08-28 15:29 ` [PATCH v2 2/4] genirq: Provide NMI management for percpu_devid interrupts Julien Thierry
2018-08-29 9:44 ` kbuild test robot [this message]
2018-08-28 15:29 ` [PATCH v2 3/4] genirq: Provide NMI handlers Julien Thierry
2018-08-28 15:29 ` [PATCH v2 4/4] irqdesc: Add domain handler for NMIs Julien Thierry
2018-08-29 3:33 ` kbuild test robot
2018-08-28 15:58 ` [PATCH v2 0/4] Provide core API " Julien Thierry
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