Messages in this thread Patch in this message | | | From | Xiao Guangrong <> | Subject | [PATCH v8 02/11] KVM: MMU: drop unnecessary kvm_reload_remote_mmus | Date | Fri, 31 May 2013 08:36:21 +0800 |
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It is the responsibility of kvm_mmu_zap_all that keeps the consistent of mmu and tlbs. And it is also unnecessary after zap all mmio sptes since no mmio spte exists on root shadow page and it can not be cached into tlb
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> --- arch/x86/kvm/x86.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 6739b1d..3758ff9 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7060,16 +7060,13 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, * If memory slot is created, or moved, we need to clear all * mmio sptes. */ - if ((change == KVM_MR_CREATE) || (change == KVM_MR_MOVE)) { + if ((change == KVM_MR_CREATE) || (change == KVM_MR_MOVE)) kvm_mmu_zap_mmio_sptes(kvm); - kvm_reload_remote_mmus(kvm); - } } void kvm_arch_flush_shadow_all(struct kvm *kvm) { kvm_mmu_zap_all(kvm); - kvm_reload_remote_mmus(kvm); } void kvm_arch_flush_shadow_memslot(struct kvm *kvm, -- 1.7.7.6
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