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| author | Avi Kivity <avi@redhat.com> | 2011-04-28 15:59:33 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-05-22 08:40:01 -0400 |
| commit | 0a434bb2bf094f463ca3ca71ac42cea9e423048f (patch) | |
| tree | c37059b8ce8490a607f638a5a61d69fb01ecbc94 /arch | |
| parent | ae8cc059550b2c2ec7a5e9650bb1be7b988a1208 (diff) | |
| download | op-kernel-dev-0a434bb2bf094f463ca3ca71ac42cea9e423048f.zip op-kernel-dev-0a434bb2bf094f463ca3ca71ac42cea9e423048f.tar.gz | |
KVM: VMX: Avoid reading %rip unnecessarily when handling exceptions
Avoids a VMREAD.
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 3f6e9bf..139a5cb 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3170,7 +3170,6 @@ static int handle_exception(struct kvm_vcpu *vcpu) } error_code = 0; - rip = kvm_rip_read(vcpu); if (intr_info & INTR_INFO_DELIVER_CODE_MASK) error_code = vmcs_read32(VM_EXIT_INTR_ERROR_CODE); if (is_page_fault(intr_info)) { @@ -3217,6 +3216,7 @@ static int handle_exception(struct kvm_vcpu *vcpu) vmx->vcpu.arch.event_exit_inst_len = vmcs_read32(VM_EXIT_INSTRUCTION_LEN); kvm_run->exit_reason = KVM_EXIT_DEBUG; + rip = kvm_rip_read(vcpu); kvm_run->debug.arch.pc = vmcs_readl(GUEST_CS_BASE) + rip; kvm_run->debug.arch.exception = ex_no; break; |
