KVM: LAPIC: Fix lapic timer mode transition

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SDM 10.5.4.1 TSC-Deadline Mode mentioned that "Transitioning between TSC-Deadline
mode and other timer modes also disarms the timer". So the APIC Timer Initial Count
Register for one-shot/periodic mode should be reset. This patch do it.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
[Removed unnecessary definition of APIC_LVT_TIMER_MASK.]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

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Wanpeng Li 2017-10-05 03:53:51 -07:00 • committed by Paolo Bonzini

parent 9cc5fbbb8c

commit c69518c86b

1 changed files with 3 additions and 0 deletions

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arch/x86/kvm/lapic.c

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