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Don't advertise the Intel SMX capability to the guest.

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Reported by:	Leon Dang (ldang@nahannisys.com)
MFC after:	1 week
This commit is contained in:
Neel Natu 2015-05-02 19:07:49 +00:00
parent a523fa069f
commit 317080849e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=282351
1 changed files with 2 additions and 1 deletions
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3
sys/amd64/vmm/x86.c
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@ -230,10 +230,11 @@ x86_emulate_cpuid(struct vm *vm, int vcpu_id,
regs[1] |= (vcpu_id << CPUID_0000_0001_APICID_SHIFT);
/*
* Don't expose VMX, SpeedStep or TME capability.
* Don't expose VMX, SpeedStep, TME or SMX capability.
* Advertise x2APIC capability and Hypervisor guest.
*/
regs[2] &= ~(CPUID2_VMX | CPUID2_EST | CPUID2_TM2);
regs[2] &= ~(CPUID2_SMX);
regs[2] |= CPUID2_HV;