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| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2020-04-22 19:25:50 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-13 12:14:48 -0400 |
| commit | 7ab0abdb553e62704be5b7879a0971acf9f36a06 (patch) | |
| tree | 6dff82960c7b88bc0115187343cd9a7fcd884328 /arch/x86/kvm/vmx/vmx.c | |
| parent | db438592807e059e3b730f556c22ae201f4d4ebc (diff) | |
| download | lwn-7ab0abdb553e62704be5b7879a0971acf9f36a06.tar.gz lwn-7ab0abdb553e62704be5b7879a0971acf9f36a06.zip | |
KVM: VMX: Use vmx_get_rflags() to query RFLAGS in vmx_interrupt_blocked()
Use vmx_get_rflags() instead of manually reading vmcs.GUEST_RFLAGS when
querying RFLAGS.IF so that multiple checks against interrupt blocking in
a single run loop only require a single VMREAD.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200423022550.15113-14-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 50a2e464562f..71cd210ec368 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -4536,7 +4536,7 @@ bool vmx_interrupt_blocked(struct kvm_vcpu *vcpu) if (is_guest_mode(vcpu) && nested_exit_on_intr(vcpu)) return false; - return !(vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_IF) || + return !(vmx_get_rflags(vcpu) & X86_EFLAGS_IF) || (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & (GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS)); } |