Date: Sat, 2 May 2015 19:07:50 +0000 (UTC) From: Neel Natu <neel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r282351 - head/sys/amd64/vmm Message-ID: <201505021907.t42J7oN6036750@svn.freebsd.org>
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Author: neel Date: Sat May 2 19:07:49 2015 New Revision: 282351 URL: https://svnweb.freebsd.org/changeset/base/282351 Log: Don't advertise the Intel SMX capability to the guest. Reported by: Leon Dang (ldang@nahannisys.com) MFC after: 1 week Modified: head/sys/amd64/vmm/x86.c Modified: head/sys/amd64/vmm/x86.c ============================================================================== --- head/sys/amd64/vmm/x86.c Sat May 2 18:12:34 2015 (r282350) +++ head/sys/amd64/vmm/x86.c Sat May 2 19:07:49 2015 (r282351) @@ -230,10 +230,11 @@ x86_emulate_cpuid(struct vm *vm, int vcp 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;
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