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 v2 1/2] KVM: LAPIC: Return 0 when getting the tscdeadline timer if the lapic is hw disabled
Date: Wed, 12 Aug 2020 14:30:37 +0800 [thread overview]
Message-ID: <1597213838-8847-1-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>
---
v1 -> v2:
* fix indentation
arch/x86/kvm/lapic.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 5ccbee7..79599af 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2183,8 +2183,7 @@ u64 kvm_get_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
- if (!lapic_in_kernel(vcpu) ||
- !apic_lvtt_tscdeadline(apic))
+ if (!kvm_apic_present(vcpu) || !apic_lvtt_tscdeadline(apic))
return 0;
return apic->lapic_timer.tscdeadline;
--
2.7.4
next reply other threads:[~2020-08-12 6:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-12 6:30 Wanpeng Li [this message]
2020-08-12 6:30 ` [PATCH v2 2/2] KVM: LAPIC: Guarantee the timer is in tsc-deadline mode when setting Wanpeng Li
2020-08-13 14:58 ` Sean Christopherson
2020-08-24 1:04 ` Wanpeng Li
2020-08-25 0:58 ` Sean Christopherson
2020-08-13 14:57 ` [PATCH v2 1/2] KVM: LAPIC: Return 0 when getting the tscdeadline timer if the lapic is hw disabled Sean Christopherson
2020-08-25 0:57 ` Sean Christopherson
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