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[v3,13/15] KVM: x86: use the fast way to invalid all pages

Message ID 1366093973-2617-14-git-send-email-xiaoguangrong@linux.vnet.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Xiao Guangrong April 16, 2013, 6:32 a.m. UTC 
Replace kvm_mmu_zap_all by kvm_mmu_invalid_all_pages except on
the path of mmu_notifier->release() which will be replaced 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(-)
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Patch

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6dbb80c..6e7c85b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5465,7 +5465,7 @@  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);
 
@@ -7062,7 +7062,7 @@  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)