i/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

KVM: x86: Move TSC scaling logic out of call-back read_l1_tsc()

Browse Source 
Both VMX and SVM scales the host TSC in the same way in call-back
read_l1_tsc(), so this patch moves the scaling logic from call-back
read_l1_tsc() to a common function kvm_read_l1_tsc().

Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Haozhong Zhang
2015-10-20 15:39:07 +08:00
committed by Paolo Bonzini
parent 58ea676787
commit 4ba76538dd
4 changed files with 12 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/x86/kvm/svm.c
+1 -2
View File
@@ -2984,8 +2984,7 @@ static int cr8_write_interception(struct vcpu_svm *svm)
static u64 svm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc)
{
struct vmcb *vmcb = get_host_vmcb(to_svm(vcpu));
return vmcb->control.tsc_offset +
kvm_scale_tsc(vcpu, host_tsc);
return vmcb->control.tsc_offset + host_tsc;
}
static int svm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)