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authorLinus Torvalds <torvalds@linux-foundation.org>2016-06-30 16:57:52 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2016-06-30 16:57:52 (GMT)
commit1a0a02d1efa066001fd315c1b4df583d939fa2c4 (patch)
treeda3b7edf1abd667c732725d9b39374cb9827e383 /arch/x86/kvm/x86.h
parent284341d2605da0ab231bc7486ff032c4f1563819 (diff)
parentf5c5c225fce4cb98fe4451d4c4d654e3f18b9f82 (diff)
downloadlinux-1a0a02d1efa066001fd315c1b4df583d939fa2c4.tar.xz
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini: "ARM and x86 fixes" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: nVMX: VMX instructions: fix segment checks when L1 is in long mode. KVM: LAPIC: cap __delay at lapic_timer_advance_ns KVM: x86: move nsec_to_cycles from x86.c to x86.h pvclock: Get rid of __pvclock_read_cycles in function pvclock_read_flags pvclock: Cleanup to remove function pvclock_get_nsec_offset pvclock: Add CPU barriers to get correct version value KVM: arm/arm64: Stop leaking vcpu pid references arm64: KVM: fix build with CONFIG_ARM_PMU disabled
Diffstat (limited to 'arch/x86/kvm/x86.h')
-rw-r--r--arch/x86/kvm/x86.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 7ce3634..a82ca46 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -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