diff options
author | Sheng Yang <sheng@linux.intel.com> | 2009-12-15 13:29:54 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-15 09:07:09 -0700 |
commit | 36725f4d9636cea24ce6ea463b1ba50a03315236 (patch) | |
tree | cba2ddc32b24c56b4d6f2460f2548ca1e8927faf /arch/x86/include/asm | |
parent | 6c46bff05fb1889ff5581dcd7274db69fd4a4da3 (diff) | |
download | kernel-crypto-36725f4d9636cea24ce6ea463b1ba50a03315236.tar.gz kernel-crypto-36725f4d9636cea24ce6ea463b1ba50a03315236.tar.xz kernel-crypto-36725f4d9636cea24ce6ea463b1ba50a03315236.zip |
KVM: VMX: Trap and invalid MWAIT/MONITOR instruction
commit 59708670b639bff00f92e519df1ae14da240e919 upstream.
We don't support these instructions, but guest can execute them even if the
feature('monitor') haven't been exposed in CPUID. So we would trap and inject
a #UD if guest try this way.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r-- | arch/x86/include/asm/vmx.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h index 2b4945419a8..8f6b0111446 100644 --- a/arch/x86/include/asm/vmx.h +++ b/arch/x86/include/asm/vmx.h @@ -251,6 +251,7 @@ enum vmcs_field { #define EXIT_REASON_MSR_READ 31 #define EXIT_REASON_MSR_WRITE 32 #define EXIT_REASON_MWAIT_INSTRUCTION 36 +#define EXIT_REASON_MONITOR_INSTRUCTION 39 #define EXIT_REASON_PAUSE_INSTRUCTION 40 #define EXIT_REASON_MCE_DURING_VMENTRY 41 #define EXIT_REASON_TPR_BELOW_THRESHOLD 43 |