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KVM: x86: limit PIT timer frequency

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Limit PIT timer frequency similarly to the limit applied by
LAPIC timer.

Cc: stable@kernel.org
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marcelo Tosatti
2014-01-06 12:00:02 -02:00
committed by Paolo Bonzini
parent 37f6a4e237
commit 9ed96e87c5
4 changed files with 23 additions and 3 deletions
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arch/x86/kvm/x86.h
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@@ -125,5 +125,7 @@ int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt,
#define KVM_SUPPORTED_XCR0 (XSTATE_FP | XSTATE_SSE | XSTATE_YMM)
extern u64 host_xcr0;
extern unsigned int min_timer_period_us;
extern struct static_key kvm_no_apic_vcpu;
#endif