Date: Tue, 3 Jun 2014 09:39:52 GMT From: op@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r268999 - soc2014/op/freebsd-base/sys/amd64/amd64 Message-ID: <201406030939.s539dqde074060@socsvn.freebsd.org>
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Author: op Date: Tue Jun 3 09:39:51 2014 New Revision: 268999 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=268999 Log: SMAP AMD64: disable SMAP when running in hypervisor (like SMEP) git: https://github.com/opntr/opBSD/commits/op/gsoc2014/smap Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com> Modified: soc2014/op/freebsd-base/sys/amd64/amd64/identcpu.c Modified: soc2014/op/freebsd-base/sys/amd64/amd64/identcpu.c ============================================================================== --- soc2014/op/freebsd-base/sys/amd64/amd64/identcpu.c Tue Jun 3 09:37:36 2014 (r268998) +++ soc2014/op/freebsd-base/sys/amd64/amd64/identcpu.c Tue Jun 3 09:39:51 2014 (r268999) @@ -561,7 +561,7 @@ */ if (cpu_feature2 & CPUID2_HV) { cpu_stdext_disable = CPUID_STDEXT_FSGSBASE | - CPUID_STDEXT_SMEP; + CPUID_STDEXT_SMEP | CPUID_STDEXT_SMAP; } else cpu_stdext_disable = 0; TUNABLE_INT_FETCH("hw.cpu_stdext_disable", &cpu_stdext_disable);
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