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KVM: LAPIC: Guarantee the timer is in tsc-deadline mode when setting
authorWanpeng Li <wanpengli@tencent.com>
Thu, 10 Sep 2020 09:50:37 +0000 (17:50 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Mon, 28 Sep 2020 11:57:09 +0000 (07:57 -0400)
commit136ee2fbc0df6e37d8c7e1ef401f86f65acea60e
tree417e7424f6d688f933eb3f4cb05602369027fccctree | snapshot
parent53db50d7c5a85e4a5b029fc4cacaf5c7b27ab2afcommit | diff
KVM: LAPIC: Guarantee the timer is in tsc-deadline mode when setting

Check apic_lvtt_tscdeadline() mode directly instead of apic_lvtt_oneshot()
and apic_lvtt_period() to guarantee the timer is in tsc-deadline mode when
wrmsr MSR_IA32_TSCDEADLINE.

Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1599731444-3525-3-git-send-email-wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/lapic.c diff | blob | history
Linux Kernel Source Tree.