From owner-svn-src-all@freebsd.org Mon Mar 12 11:28:10 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 77D54F39BB3; Mon, 12 Mar 2018 11:28:10 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2255F76184; Mon, 12 Mar 2018 11:28:10 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 1577D2F11; Mon, 12 Mar 2018 11:28:10 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w2CBS9oS023511; Mon, 12 Mar 2018 11:28:09 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w2CBS9O4023510; Mon, 12 Mar 2018 11:28:09 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201803121128.w2CBS9O4023510@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Mon, 12 Mar 2018 11:28:09 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r330793 - head/sys/x86/x86 X-SVN-Group: head X-SVN-Commit-Author: avg X-SVN-Commit-Paths: head/sys/x86/x86 X-SVN-Commit-Revision: 330793 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Mar 2018 11:28:10 -0000 Author: avg Date: Mon Mar 12 11:28:09 2018 New Revision: 330793 URL: https://svnweb.freebsd.org/changeset/base/330793 Log: fix r297857, do not modify CPU extension bits under virtual machines r297857 was meant for real hardware only. PR: 213155 Submitted by: mainland@apeiron.net MFC after: 1 week Modified: head/sys/x86/x86/identcpu.c Modified: head/sys/x86/x86/identcpu.c ============================================================================== --- head/sys/x86/x86/identcpu.c Mon Mar 12 09:40:46 2018 (r330792) +++ head/sys/x86/x86/identcpu.c Mon Mar 12 11:28:09 2018 (r330793) @@ -1395,7 +1395,8 @@ fix_cpuid(void) * See BIOS and Kernel Developer’s Guide (BKDG) for AMD Family 15h * Models 60h-6Fh Processors, Publication # 50742. */ - if (cpu_vendor_id == CPU_VENDOR_AMD && CPUID_TO_FAMILY(cpu_id) == 0x15) { + if (vm_guest == VM_GUEST_NO && cpu_vendor_id == CPU_VENDOR_AMD && + CPUID_TO_FAMILY(cpu_id) == 0x15) { msr = rdmsr(MSR_EXTFEATURES); if ((msr & ((uint64_t)1 << 54)) == 0) { msr |= (uint64_t)1 << 54;