From: Wanpeng Li <kernellwp@gmail.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>
Subject: [PATCH 1/2] KVM: LAPIC: Return 0 when getting the tscdeadline timer if the lapic is hw disabled
Date: Tue, 4 Aug 2020 14:10:47 +0800 [thread overview]
Message-ID: <1596521448-4010-1-git-send-email-wanpengli@tencent.com> (raw)
From: Wanpeng Li <wanpengli@tencent.com>
Return 0 when getting the tscdeadline timer if the lapic is hw disabled
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
---
arch/x86/kvm/lapic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index cfb8504..d89ab48 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2182,7 +2182,7 @@ u64 kvm_get_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
- if (!lapic_in_kernel(vcpu) ||
+ if (!kvm_apic_present(vcpu) ||
!apic_lvtt_tscdeadline(apic))
return 0;
--
2.7.4
next reply other threads:[~2020-08-04 6:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-04 6:10 Wanpeng Li [this message]
2020-08-04 6:10 ` [PATCH 2/2] KVM: LAPIC: Guarantee the timer is in tsc-deadline mode when setting Wanpeng Li
2020-08-04 21:19 ` Sean Christopherson
2020-08-04 21:19 ` [PATCH 1/2] KVM: LAPIC: Return 0 when getting the tscdeadline timer if the lapic is hw disabled Sean Christopherson
2020-08-10 9:09 ` Wanpeng Li
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