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authorZachary Amsden <zamsden@redhat.com>2010-08-19 22:07:17 -1000
committerAvi Kivity <avi@redhat.com>2010-10-24 10:51:22 +0200
commit99e3e30aee1a326a98bf3a5f47b8622219c685f3 (patch)
tree1b67fc70af33988080784d32725f72b5ce7c07d1 /arch/x86/kvm/x86.h
parentf4e1b3c8bd2a044cd0ccf80595bfd088a49fe60b (diff)
downloadlinux-99e3e30aee1a326a98bf3a5f47b8622219c685f3.tar.bz2
KVM: x86: Move TSC offset writes to common code
Also, ensure that the storing of the offset and the reading of the TSC are never preempted by taking a spinlock. While the lock is overkill now, it is useful later in this patch series. Signed-off-by: Zachary Amsden <zamsden@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.h')
-rw-r--r--arch/x86/kvm/x86.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index b7a404722d2b..2d6385e44ccf 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -68,4 +68,6 @@ static inline int is_paging(struct kvm_vcpu *vcpu)
void kvm_before_handle_nmi(struct kvm_vcpu *vcpu);
void kvm_after_handle_nmi(struct kvm_vcpu *vcpu);
+void kvm_write_tsc(struct kvm_vcpu *vcpu, u64 data);
+
#endif