[PATCH 6/7] KVM: nSVM: do not reload pause filter fields from VMCB

From: Paolo Bonzini
Date: Fri May 15 2020 - 13:42:14 EST


These fields do not change from VMRUN to VMEXIT; there is no need
to reload them on nested VMEXIT.

Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/svm/nested.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index e3338aa8b0a3..ba7dedbcc985 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -544,11 +544,6 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
nested_vmcb->control.event_inj = 0;
nested_vmcb->control.event_inj_err = 0;

- nested_vmcb->control.pause_filter_count =
- svm->vmcb->control.pause_filter_count;
- nested_vmcb->control.pause_filter_thresh =
- svm->vmcb->control.pause_filter_thresh;
-
/* We always set V_INTR_MASKING and remember the old value in svm->nested */
if (!(svm->nested.int_ctl & V_INTR_MASKING_MASK))
nested_vmcb->control.int_ctl &= ~V_INTR_MASKING_MASK;
--
2.18.2