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(parent: 01f4fd7) | patch
KVM: VMX: Trap and invalid MWAIT/MONITOR instruction
authorSheng Yang <sheng@linux.intel.com>
Tue, 15 Dec 2009 05:29:54 +0000 (13:29 +0800)
committerMarcelo Tosatti <mtosatti@redhat.com>
Mon, 1 Mar 2010 15:35:39 +0000 (12:35 -0300)
commitb71dcfd7c767a02fc56e2fa9d2d00e53c41469c3
treed13c81270cb94ce85e0d2cee773dbe62d7a9a79dtree | snapshot
parent01f4fd75304fba1fa42def29521f40e71603a77ecommit | diff
KVM: VMX: Trap and invalid MWAIT/MONITOR instruction

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.

Cc: stable@kernel.org
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/include/asm/vmx.h diff | blob | history
arch/x86/kvm/vmx.c diff | blob | history
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