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authorJan Kiszka <jan.kiszka@siemens.com>2013-02-20 14:02:23 +0100
committerGleb Natapov <gleb@redhat.com>2013-02-28 10:20:06 +0200
commit44ceb9d6653306f73fb40cbeca303b23937efd85 (patch)
tree5765ebeda154c05898993a594af5275786520376 /arch/x86
parent02cdb50fd7e4b5ce1f6f70e27f74283ced0e1872 (diff)
KVM: nVMX: Avoid one redundant vmcs_read in prepare_vmcs12
IDT_VECTORING_INFO_FIELD was already read right after vmexit. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/vmx.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index f7d2242e5d0..238c59b7314 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7404,8 +7404,7 @@ static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
vmcs12->vm_exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
vmcs12->vm_exit_intr_error_code = vmcs_read32(VM_EXIT_INTR_ERROR_CODE);
- vmcs12->idt_vectoring_info_field =
- vmcs_read32(IDT_VECTORING_INFO_FIELD);
+ vmcs12->idt_vectoring_info_field = to_vmx(vcpu)->idt_vectoring_info;
vmcs12->idt_vectoring_error_code =
vmcs_read32(IDT_VECTORING_ERROR_CODE);
vmcs12->vm_exit_instruction_len = vmcs_read32(VM_EXIT_INSTRUCTION_LEN);