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KVM: VMX: Avoid duplicate ept tlb flush when setting cr3
author
Avi Kivity
<avi@redhat.com>
Sun, 31 May 2009 15:29:59 +0000
(18:29 +0300)
committer
Avi Kivity
<avi@redhat.com>
Thu, 10 Sep 2009 05:32:46 +0000
(08:32 +0300)
vmx_set_cr3() will call vmx_tlb_flush(), which will flush the ept context.
So there is no need to call ept_sync_context() explicitly.
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/vmx.c
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diff --git
a/arch/x86/kvm/vmx.c
b/arch/x86/kvm/vmx.c
index
c14bffc
..
ea0e1d5
100644
(file)
--- a/
arch/x86/kvm/vmx.c
+++ b/
arch/x86/kvm/vmx.c
@@
-1651,7
+1651,6
@@
static void vmx_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
if (enable_ept) {
eptp = construct_eptp(cr3);
vmcs_write64(EPT_POINTER, eptp);
- ept_sync_context(eptp);
ept_load_pdptrs(vcpu);
guest_cr3 = is_paging(vcpu) ? vcpu->arch.cr3 :
VMX_EPT_IDENTITY_PAGETABLE_ADDR;