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Subject[PATCH v4 5/6] KVM: x86: use the fast way to invalid all pages
Date
Replace kvm_mmu_zap_all by kvm_mmu_invalid_all_pages except on
the path of mmu_notifier->release() which will be fixed in
the later patch

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
arch/x86/kvm/x86.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8e4494c..809a053 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5483,7 +5483,7 @@ static int emulator_fix_hypercall(struct x86_emulate_ctxt *ctxt)
* to ensure that the updated hypercall appears atomically across all
* VCPUs.
*/
- kvm_mmu_zap_all(vcpu->kvm);
+ kvm_mmu_invalid_memslot_pages(vcpu->kvm, NULL);

kvm_x86_ops->patch_hypercall(vcpu, instruction);

@@ -7093,7 +7093,7 @@ void kvm_arch_flush_shadow_all(struct kvm *kvm)
void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
struct kvm_memory_slot *slot)
{
- kvm_arch_flush_shadow_all(kvm);
+ kvm_mmu_invalid_memslot_pages(kvm, slot);
}

int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
--
1.7.7.6


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