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| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-09-16 15:24:19 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-12-03 09:32:12 +0200 |
| commit | e935d48e1b49451490218e1181d9834176200955 (patch) | |
| tree | bf852b3705300973bc440daa7ce74b0240149093 /arch/x86/kvm/svm.c | |
| parent | 33527ad7e12a5cb50b39165945464600ab2f7632 (diff) | |
| download | linux-e935d48e1b49451490218e1181d9834176200955.tar.gz | |
KVM: SVM: Remove remaining occurences of rdtscll
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.roedel@amd.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 41c996ab87e9..9a4dacab6d8a 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) |