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authorJan Kiszka <jan.kiszka@web.de>2013-04-20 10:52:36 +0200
committerGleb Natapov <gleb@redhat.com>2013-04-22 12:53:42 +0300
commit384bb783275145b70d769acf4c687957d1c61802 (patch)
tree8db3286f89b5a1cf38ba2e3231b94c822b229199 /arch/x86/include/asm/kvm_host.h
parentea8ceb8354e1c84a13cf2a8e915dc74f96759393 (diff)
downloadop-kernel-dev-384bb783275145b70d769acf4c687957d1c61802.zip
op-kernel-dev-384bb783275145b70d769acf4c687957d1c61802.tar.gz
KVM: nVMX: Validate EFER values for VM_ENTRY/EXIT_LOAD_IA32_EFER
As we may emulate the loading of EFER on VM-entry and VM-exit, implement the checks that VMX performs on the guest and host values on vmlaunch/ vmresume. Factor out kvm_valid_efer for this purpose which checks for set reserved bits. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
-rw-r--r--arch/x86/include/asm/kvm_host.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 599f98b..18635ae 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -809,6 +809,7 @@ static inline int emulate_instruction(struct kvm_vcpu *vcpu,
}
void kvm_enable_efer_bits(u64);
+bool kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer);
int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data);
int kvm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr);
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