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Groups > linux.kernel > #1341963
| From | Paolo Bonzini <pbonzini@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 05/12] KVM: MMU: use kvm_sync_page in kvm_sync_pages |
| Date | 2016-02-24 14:30 +0100 |
| Message-ID | <r5HFT-59T-7@gated-at.bofh.it> (permalink) |
| References | <r5Hwe-543-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
If the last argument is true, kvm_unlink_unsync_page is called anyway in __kvm_sync_page (either by kvm_mmu_prepare_zap_page or by __kvm_sync_page itself). Therefore, kvm_sync_pages can just call kvm_sync_page, instead of going through kvm_unlink_unsync_page+__kvm_sync_page. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- arch/x86/kvm/mmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index c440a28822b7..240c0dbb140f 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1957,8 +1957,7 @@ static void kvm_sync_pages(struct kvm_vcpu *vcpu, gfn_t gfn) continue; WARN_ON(s->role.level != PT_PAGE_TABLE_LEVEL); - kvm_unlink_unsync_page(vcpu->kvm, s); - if (!__kvm_sync_page(vcpu, s, &invalid_list, false)) + if (!kvm_sync_page(vcpu, s, &invalid_list)) flush = true; } -- 1.8.3.1
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[PATCH 00/12] KVM: MMU: cleanup around kvm_sync_page, and a few micro-optimizations Paolo Bonzini <pbonzini@redhat.com> - 2016-02-24 14:20 +0100
[PATCH 10/12] KVM: mark memory barrier with smp_mb__after_atomic Paolo Bonzini <pbonzini@redhat.com> - 2016-02-24 14:20 +0100
[PATCH 05/12] KVM: MMU: use kvm_sync_page in kvm_sync_pages Paolo Bonzini <pbonzini@redhat.com> - 2016-02-24 14:30 +0100
[PATCH 08/12] KVM: MMU: move zap/flush to kvm_mmu_get_page Paolo Bonzini <pbonzini@redhat.com> - 2016-02-24 14:30 +0100
Re: [PATCH 08/12] KVM: MMU: move zap/flush to kvm_mmu_get_page Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2016-02-25 08:40 +0100
Re: [PATCH 08/12] KVM: MMU: move zap/flush to kvm_mmu_get_page Paolo Bonzini <pbonzini@redhat.com> - 2016-02-25 09:50 +0100
[PATCH 02/12] KVM: MMU: check kvm_mmu_pages and mmu_page_path indices Paolo Bonzini <pbonzini@redhat.com> - 2016-02-24 14:30 +0100
[PATCH 03/12] KVM: MMU: introduce kvm_mmu_flush_or_zap Paolo Bonzini <pbonzini@redhat.com> - 2016-02-24 14:30 +0100
[PATCH 04/12] KVM: MMU: move TLB flush out of __kvm_sync_page Paolo Bonzini <pbonzini@redhat.com> - 2016-02-24 14:30 +0100
Re: [PATCH 00/12] KVM: MMU: cleanup around kvm_sync_page, and a few micro-optimizations Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2016-02-25 09:30 +0100
Re: [PATCH 00/12] KVM: MMU: cleanup around kvm_sync_page, and a few micro-optimizations Paolo Bonzini <pbonzini@redhat.com> - 2016-02-25 09:50 +0100
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