From owner-dev-commits-src-main@freebsd.org Wed May 26 13:39:59 2021 Return-Path: Delivered-To: dev-commits-src-main@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 0A83763DDD8; Wed, 26 May 2021 13:39:59 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FqsWf6vbYz3DD9; Wed, 26 May 2021 13:39:58 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D521911AF8; Wed, 26 May 2021 13:39:58 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 14QDdwG3089676; Wed, 26 May 2021 13:39:58 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 14QDdwQ5089675; Wed, 26 May 2021 13:39:58 GMT (envelope-from git) Date: Wed, 26 May 2021 13:39:58 GMT Message-Id: <202105261339.14QDdwQ5089675@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mark Johnston Subject: git: 4c599db71af5 - main - vmm: Let guests enable SMEP/SMAP if the host supports it MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 4c599db71af56c28bb0388e73bd0570a3873c0ec Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 May 2021 13:39:59 -0000 The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=4c599db71af56c28bb0388e73bd0570a3873c0ec commit 4c599db71af56c28bb0388e73bd0570a3873c0ec Author: Mark Johnston AuthorDate: 2021-05-26 13:34:52 +0000 Commit: Mark Johnston 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);