From: Gavin Shan <gshan@redhat.com>
To: kvmarm@lists.cs.columbia.edu
Cc: linux-kernel@vger.kernel.org, maz@kernel.org, will@kernel.org,
pbonzini@redhat.com, james.morse@arm.com, mark.rutland@arm.com,
Jonathan.Cameron@huawei.com, shan.gavin@gmail.com
Subject: [PATCH v3 01/15] KVM: async_pf: Move struct kvm_async_pf around
Date: Fri, 7 May 2021 16:40:39 +0800 [thread overview]
Message-ID: <20210507084053.44407-2-gshan@redhat.com> (raw)
In-Reply-To: <20210507084053.44407-1-gshan@redhat.com>
This moves the definitions of "struct kvm_async_pf" and the related
functions after "struct kvm_vcpu" so that newly added inline functions
in the subsequent patches can dereference "struct kvm_vcpu" properly.
Otherwise, the unexpected build error will be raised:
error: dereferencing pointer to incomplete type ‘struct kvm_vcpu’
return !list_empty_careful(&vcpu->async_pf.done);
^~
Some cleanups are also applied since we're here:
* The sepator between type and field is replaced by tab for "struct
kvm_async_pf".
* Added stub kvm_check_async_pf_completion() when CONFIG_KVM_ASYMC_PF
is disabled.
Signed-off-by: Gavin Shan <gshan@redhat.com>
---
include/linux/kvm_host.h | 44 +++++++++++++++++++++-------------------
1 file changed, 23 insertions(+), 21 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 8895b95b6a22..d54adba6ebf7 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -197,27 +197,6 @@ int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
struct kvm_io_device *kvm_io_bus_get_dev(struct kvm *kvm, enum kvm_bus bus_idx,
gpa_t addr);
-#ifdef CONFIG_KVM_ASYNC_PF
-struct kvm_async_pf {
- struct work_struct work;
- struct list_head link;
- struct list_head queue;
- struct kvm_vcpu *vcpu;
- struct mm_struct *mm;
- gpa_t cr2_or_gpa;
- unsigned long addr;
- struct kvm_arch_async_pf arch;
- bool wakeup_all;
- bool notpresent_injected;
-};
-
-void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu);
-void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu);
-bool kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
- unsigned long hva, struct kvm_arch_async_pf *arch);
-int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu);
-#endif
-
#ifdef KVM_ARCH_WANT_MMU_NOTIFIER
struct kvm_gfn_range {
struct kvm_memory_slot *slot;
@@ -338,6 +317,29 @@ struct kvm_vcpu {
struct kvm_dirty_ring dirty_ring;
};
+#ifdef CONFIG_KVM_ASYNC_PF
+struct kvm_async_pf {
+ struct work_struct work;
+ struct list_head link;
+ struct list_head queue;
+ struct kvm_vcpu *vcpu;
+ struct mm_struct *mm;
+ gpa_t cr2_or_gpa;
+ unsigned long addr;
+ struct kvm_arch_async_pf arch;
+ bool wakeup_all;
+ bool notpresent_injected;
+};
+
+void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu);
+void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu);
+bool kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
+ unsigned long hva, struct kvm_arch_async_pf *arch);
+int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu);
+#else
+static inline void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu) { }
+#endif
+
static inline int kvm_vcpu_exiting_guest_mode(struct kvm_vcpu *vcpu)
{
/*
--
2.23.0
next prev parent reply other threads:[~2021-05-07 6:41 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-07 8:40 [PATCH v3 00/15] Support Asynchronous Page Fault Gavin Shan
2021-05-07 8:40 ` Gavin Shan [this message]
2021-05-07 8:40 ` [PATCH v3 02/15] KVM: async_pf: Add helper function to check completion queue Gavin Shan
2021-05-07 8:40 ` [PATCH v3 03/15] KVM: async_pf: Make GFN slot management generic Gavin Shan
2021-05-07 8:40 ` [PATCH v3 04/15] KVM: x86: Use generic async PF slot management Gavin Shan
2021-05-07 8:40 ` [PATCH v3 05/15] KVM: arm64: Export kvm_handle_user_mem_abort() Gavin Shan
2021-05-07 8:40 ` [PATCH v3 06/15] KVM: arm64: Add paravirtualization header files Gavin Shan
2021-05-07 8:40 ` [PATCH v3 07/15] KVM: arm64: Support page-not-present notification Gavin Shan
2021-05-07 8:40 ` [PATCH v3 08/15] KVM: arm64: Support page-ready notification Gavin Shan
2021-05-07 8:40 ` [PATCH v3 09/15] KVM: arm64: Support async PF hypercalls Gavin Shan
2021-05-07 8:40 ` [PATCH v3 10/15] KVM: arm64: Support async PF ioctl commands Gavin Shan
2021-05-07 8:40 ` [PATCH v3 11/15] KVM: arm64: Export async PF capability Gavin Shan
2021-05-07 8:40 ` [PATCH v3 12/15] arm64: Detect async PF para-virtualization feature Gavin Shan
2021-05-07 8:40 ` [PATCH v3 13/15] arm64: Reschedule process on aync PF Gavin Shan
2021-05-07 8:40 ` [PATCH v3 14/15] arm64: Enable async PF Gavin Shan
2021-05-07 8:40 ` [PATCH v3 15/15] KVM: arm64: Add async PF document Gavin Shan
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