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KVM: x86: move nsec_to_cycles from x86.c to x86.h

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Move the inline function nsec_to_cycles from x86.c to x86.h, as
the next patch uses it from lapic.c.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marcelo Tosatti 2016-06-20 22:28:02 -03:00 committed by Paolo Bonzini
parent ed911b43ad
commit 8d93c874ac
2 changed files with 7 additions and 6 deletions
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6
arch/x86/kvm/x86.c
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@ -1244,12 +1244,6 @@ static atomic_t kvm_guest_has_master_clock = ATOMIC_INIT(0);
static DEFINE_PER_CPU(unsigned long, cpu_tsc_khz);
static unsigned long max_tsc_khz;
static inline u64 nsec_to_cycles(struct kvm_vcpu *vcpu, u64 nsec)
{
return pvclock_scale_delta(nsec, vcpu->arch.virtual_tsc_mult,
vcpu->arch.virtual_tsc_shift);
}
static u32 adjust_tsc_khz(u32 khz, s32 ppm)
{
u64 v = (u64)khz * (1000000 + ppm);

7
arch/x86/kvm/x86.h
View File

@ -2,6 +2,7 @@
#define ARCH_X86_KVM_X86_H
#include <linux/kvm_host.h>
#include <asm/pvclock.h>
#include "kvm_cache_regs.h"
#define MSR_IA32_CR_PAT_DEFAULT 0x0007040600070406ULL
@ -195,6 +196,12 @@ extern unsigned int lapic_timer_advance_ns;
extern struct static_key kvm_no_apic_vcpu;
static inline u64 nsec_to_cycles(struct kvm_vcpu *vcpu, u64 nsec)
{
return pvclock_scale_delta(nsec, vcpu->arch.virtual_tsc_mult,
vcpu->arch.virtual_tsc_shift);
}
/* Same "calling convention" as do_div:
* - divide (n << 32) by base
* - put result in n