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authorJoerg Roedel <joerg.roedel@amd.com>2009-09-16 15:24:19 +0200
committerAvi Kivity <avi@redhat.com>2009-12-03 09:32:12 +0200
commite935d48e1b49451490218e1181d9834176200955 (patch)
treebf852b3705300973bc440daa7ce74b0240149093 /arch/x86/kvm
parent33527ad7e12a5cb50b39165945464600ab2f7632 (diff)
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')
-rw-r--r--arch/x86/kvm/svm.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 41c996ab87e..9a4dacab6d8 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)