From: Avi Kivity <[email protected]> Saving guest registers is just a memory copy, and does not need to be in the critical section. Move outside the critical section to improve latency a bit.
Signed-off-by: Avi Kivity <[email protected]> Signed-off-by: Marcelo Tosatti <[email protected]> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 2e57450..9d703e2 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3412,11 +3412,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) #endif ); - vcpu->arch.cr2 = svm->vmcb->save.cr2; - vcpu->arch.regs[VCPU_REGS_RAX] = svm->vmcb->save.rax; - vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp; - vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip; - load_host_msrs(vcpu); kvm_load_ldt(ldt_selector); loadsegment(fs, fs_selector); @@ -3433,6 +3428,11 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) stgi(); + vcpu->arch.cr2 = svm->vmcb->save.cr2; + vcpu->arch.regs[VCPU_REGS_RAX] = svm->vmcb->save.rax; + vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp; + vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip; + sync_cr8_to_lapic(vcpu); svm->next_rip = 0; -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
