[PATCH 13/24] KVM: nSVM: do not reload pause filter fields from VMCB

From: Paolo Bonzini
Date: Wed May 20 2020 - 13:22:54 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 9999bce9adcf..b6a1e1ff271e 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -533,11 +533,6 @@ 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 hflags */
if (!(svm->vcpu.arch.hflags & HF_VINTR_MASK))
nested_vmcb->control.int_ctl &= ~V_INTR_MASKING_MASK;
--
2.18.2