From owner-svn-src-all@freebsd.org Mon Jun 3 23:17:36 2019 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 22C7E15C0C5A; Mon, 3 Jun 2019 23:17:36 +0000 (UTC) (envelope-from jhb@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BE0B97452B; Mon, 3 Jun 2019 23:17:35 +0000 (UTC) (envelope-from jhb@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 93480D10B; Mon, 3 Jun 2019 23:17:35 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x53NHZ3Z023677; Mon, 3 Jun 2019 23:17:35 GMT (envelope-from jhb@FreeBSD.org) Received: (from jhb@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x53NHZxF023676; Mon, 3 Jun 2019 23:17:35 GMT (envelope-from jhb@FreeBSD.org) Message-Id: <201906032317.x53NHZxF023676@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhb set sender to jhb@FreeBSD.org using -f From: John Baldwin Date: Mon, 3 Jun 2019 23:17:35 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r348592 - head/usr.sbin/bhyve X-SVN-Group: head X-SVN-Commit-Author: jhb X-SVN-Commit-Paths: head/usr.sbin/bhyve X-SVN-Commit-Revision: 348592 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: BE0B97452B X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.981,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 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, 03 Jun 2019 23:17:36 -0000 Author: jhb Date: Mon Jun 3 23:17:35 2019 New Revision: 348592 URL: https://svnweb.freebsd.org/changeset/base/348592 Log: Emulate the AMD MSR_LS_CFG MSR used for various Ryzen errata. Writes are ignored and reads always return zero. Submitted by: José Albornoz (write-only version) Reviewed by: Patrick Mooney, cem MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D19506 Modified: head/usr.sbin/bhyve/xmsr.c Modified: head/usr.sbin/bhyve/xmsr.c ============================================================================== --- head/usr.sbin/bhyve/xmsr.c Mon Jun 3 23:07:46 2019 (r348591) +++ head/usr.sbin/bhyve/xmsr.c Mon Jun 3 23:17:35 2019 (r348592) @@ -72,6 +72,7 @@ emulate_wrmsr(struct vmctx *ctx, int vcpu, uint32_t nu return (0); case MSR_NB_CFG1: + case MSR_LS_CFG: case MSR_IC_CFG: return (0); /* Ignore writes */ @@ -141,6 +142,7 @@ emulate_rdmsr(struct vmctx *ctx, int vcpu, uint32_t nu break; case MSR_NB_CFG1: + case MSR_LS_CFG: case MSR_IC_CFG: /* * The reset value is processor family dependent so