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KVM: MMU: split the operations of kvm_mmu_zap_page()

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Using kvm_mmu_prepare_zap_page() and kvm_mmu_commit_zap_page() to
split kvm_mmu_zap_page() function, then we can:

- traverse hlist safely
- easily to gather remote tlb flush which occurs during page zapped

Those feature can be used in the later patches

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiao Guangrong
2010-06-04 21:53:54 +08:00
committed by Avi Kivity
parent 7ae680eb2d
commit 7775834a23
2 changed files with 44 additions and 10 deletions
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2
arch/x86/kvm/mmutrace.h
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@@ -190,7 +190,7 @@ DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_unsync_page,
TP_ARGS(sp)
);
DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_zap_page,
DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
TP_PROTO(struct kvm_mmu_page *sp),
TP_ARGS(sp)