Date: Wed, 26 May 2021 13:39:58 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 4c599db71af5 - main - vmm: Let guests enable SMEP/SMAP if the host supports it Message-ID: <202105261339.14QDdwQ5089675@gitrepo.freebsd.org>
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The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=4c599db71af56c28bb0388e73bd0570a3873c0ec commit 4c599db71af56c28bb0388e73bd0570a3873c0ec Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2021-05-26 13:34:52 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2021-05-26 13:34:52 +0000 vmm: Let guests enable SMEP/SMAP if the host supports it Reviewed by: kib, grehan, jhb Tested by: grehan (AMD) MFC after: 3 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D30462 --- sys/amd64/vmm/x86.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/amd64/vmm/x86.c b/sys/amd64/vmm/x86.c index a4a9c8203fc5..c43a3c870211 100644 --- a/sys/amd64/vmm/x86.c +++ b/sys/amd64/vmm/x86.c @@ -441,10 +441,12 @@ x86_emulate_cpuid(struct vm *vm, int vcpu_id, uint64_t *rax, uint64_t *rbx, */ regs[1] &= (CPUID_STDEXT_FSGSBASE | CPUID_STDEXT_BMI1 | CPUID_STDEXT_HLE | - CPUID_STDEXT_AVX2 | CPUID_STDEXT_BMI2 | + CPUID_STDEXT_AVX2 | CPUID_STDEXT_SMEP | + CPUID_STDEXT_BMI2 | CPUID_STDEXT_ERMS | CPUID_STDEXT_RTM | CPUID_STDEXT_AVX512F | CPUID_STDEXT_RDSEED | + CPUID_STDEXT_SMAP | CPUID_STDEXT_AVX512PF | CPUID_STDEXT_AVX512ER | CPUID_STDEXT_AVX512CD | CPUID_STDEXT_SHA);
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