From: Joerg Roedel <joerg.roe...@amd.com> This patch replaces them with native_read_tsc() which can also be used in expressions and saves a variable on the stack in this case.
Signed-off-by: Joerg Roedel <joerg.roe...@amd.com> Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 41c996a..9a4daca 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -763,14 +763,13 @@ static void svm_vcpu_load(struct kvm_vcpu *vcpu, int cpu) int i; if (unlikely(cpu != vcpu->cpu)) { - u64 tsc_this, delta; + u64 delta; /* * Make sure that the guest sees a monotonically * increasing TSC. */ - rdtscll(tsc_this); - delta = vcpu->arch.host_tsc - tsc_this; + delta = vcpu->arch.host_tsc - native_read_tsc(); svm->vmcb->control.tsc_offset += delta; if (is_nested(svm)) svm->nested.hsave->control.tsc_offset += delta; @@ -792,7 +791,7 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu) for (i = 0; i < NR_HOST_SAVE_USER_MSRS; i++) wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]); - rdtscll(vcpu->arch.host_tsc); + vcpu->arch.host_tsc = native_read_tsc(); } static unsigned long svm_get_rflags(struct kvm_vcpu *vcpu) -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html