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| author | Junaid Shahid <junaids@google.com> | 2018-06-27 23:59:12 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-08-06 17:58:55 +0200 |
| commit | afe828d1de4047d26eb0cd0c0154f5ac3722bf63 (patch) | |
| tree | dde4847d96f41b66542bcf81c65b351d273a1f6f /arch/x86/kvm/svm.c | |
| parent | kvm: x86: Use fast CR3 switch for nested VMX (diff) | |
| download | linux-afe828d1de4047d26eb0cd0c0154f5ac3722bf63.tar.xz linux-afe828d1de4047d26eb0cd0c0154f5ac3722bf63.zip | |
kvm: x86: Add ability to skip TLB flush when switching CR3
Remove the implicit flush from the set_cr3 handlers, so that the
callers are able to decide whether to flush the TLB or not.
Signed-off-by: Junaid Shahid <junaids@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index f059a73f0fd0..be9931cad409 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2884,7 +2884,6 @@ static void nested_svm_set_tdp_cr3(struct kvm_vcpu *vcpu, svm->vmcb->control.nested_cr3 = __sme_set(root); mark_dirty(svm->vmcb, VMCB_NPT); - svm_flush_tlb(vcpu, true); } static void nested_svm_inject_npf_exit(struct kvm_vcpu *vcpu, @@ -5766,7 +5765,6 @@ static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root) svm->vmcb->save.cr3 = __sme_set(root); mark_dirty(svm->vmcb, VMCB_CR); - svm_flush_tlb(vcpu, true); } static void set_tdp_cr3(struct kvm_vcpu *vcpu, unsigned long root) @@ -5779,8 +5777,6 @@ static void set_tdp_cr3(struct kvm_vcpu *vcpu, unsigned long root) /* Also sync guest cr3 here in case we live migrate */ svm->vmcb->save.cr3 = kvm_read_cr3(vcpu); mark_dirty(svm->vmcb, VMCB_CR); - - svm_flush_tlb(vcpu, true); } static int is_disabled(void) |