From owner-svn-src-all@freebsd.org Mon Apr 11 13:01:42 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DB36FB0C4A1 for ; Mon, 11 Apr 2016 13:01:42 +0000 (UTC) (envelope-from shawn.webb@hardenedbsd.org) Received: from mail-qg0-x229.google.com (mail-qg0-x229.google.com [IPv6:2607:f8b0:400d:c04::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 92CAC1F8B for ; Mon, 11 Apr 2016 13:01:42 +0000 (UTC) (envelope-from shawn.webb@hardenedbsd.org) Received: by mail-qg0-x229.google.com with SMTP id f52so142911482qga.3 for ; Mon, 11 Apr 2016 06:01:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hardenedbsd-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=oHH46niHQIbihPnNC7KKaUy32XyNc9fZgLG3fBBEoMg=; b=xBYFZiJ5RAi9VGI3Ic0d74KRXvT17O7/zpCSCxVB2bgnHPQGzl1o1/IGuJCaCYlNmO bVIk3TraOp180ReuPUIalljBOxbuGSvUPrPPXtFCL4QjucwgAn7sQGlz0AZlwAnEEVwR AtPRcDcSYEVgk8IBnpY/acFJMTZmILehRc7M0QuNtxbxRZ7PqxmDQxh7Y+oygT2nBibV uJRPcGndO4VxOeeYhTlz6xeheHYkVzvypITDiFdKjRaLDEHXQtciDdAyi6OaENO5NwFR CsQaCv4QzLEQD2EV6EwVLEcxz8Qj1ZfCZC2PgtIRnrV48hlpo/YoaGt9axO1MgNgCD8v ABtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=oHH46niHQIbihPnNC7KKaUy32XyNc9fZgLG3fBBEoMg=; b=HuVodSs0FaHFxyxE6OqYVRHI8bS5/z2vAgTSCjPCh8501osTc0Bqrh86JeaFUoIV/7 ntOTzC325ljKf/l0wBLVmzzg8NtQr0Gzy2ssmxq6jyTW1gJDzqmMtsIvQg1xnkQkONyD lzyEo6Dptf6tp37BSR+LGb9cGybVbIBfVsKOrwDpUClOybArssztaXak9MWUA6aJLBkJ RWeSj0Nu0ET6bW9f9w/ubR0JIofxutO805ion+yWtl+oXc1ThAFqqFq26NEtscnGtBef iCpY5xkK8aftKDCEvF6TfYmjO2r8Ynex6BUrWS08pFXQlGqPCXdFmmcy6sET1iF5+0Mi bbyA== X-Gm-Message-State: AD7BkJJgLn+yHl6GY1NzlxsXPG7MoJEe4LAYhrLg0HpgV5eZueRnvp7ITq7EVyMfNBbNLzMm X-Received: by 10.140.170.70 with SMTP id q67mr30682601qhq.8.1460379701520; Mon, 11 Apr 2016 06:01:41 -0700 (PDT) Received: from mutt-hardenedbsd ([63.88.83.105]) by smtp.gmail.com with ESMTPSA id z141sm11064211qhd.1.2016.04.11.06.01.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 11 Apr 2016 06:01:40 -0700 (PDT) Date: Mon, 11 Apr 2016 09:01:38 -0400 From: Shawn Webb To: Anish Gupta Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r297806 - head/sys/amd64/vmm/amd Message-ID: <20160411130138.GA56696@mutt-hardenedbsd> References: <201604110509.u3B59iFs000620@repo.freebsd.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="17pEHd4RhPHOinZp" Content-Disposition: inline In-Reply-To: <201604110509.u3B59iFs000620@repo.freebsd.org> X-Operating-System: FreeBSD mutt-hardenedbsd 11.0-CURRENT-HBSD FreeBSD 11.0-CURRENT-HBSD X-PGP-Key: http://pgp.mit.edu/pks/lookup?op=vindex&search=0x6A84658F52456EEE User-Agent: Mutt/1.5.24 (2015-08-30) X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.21 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, 11 Apr 2016 13:01:43 -0000 --17pEHd4RhPHOinZp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 11, 2016 at 05:09:44AM +0000, Anish Gupta wrote: > Author: anish > Date: Mon Apr 11 05:09:43 2016 > New Revision: 297806 > URL: https://svnweb.freebsd.org/changeset/base/297806 >=20 > Log: > Allow guest writes to AMD microcode update[0xc0010020] MSR without upda= ting actual hardware MSR. This allows guest microcode update to go through = which otherwise failing because wrmsr() was returning EINVAL. Pardon my ignorance, but does that mean that prior to this commit, a bhyve guest on AMD could modify hardware? Thanks, --=20 Shawn Webb HardenedBSD GPG Key ID: 0x6A84658F52456EEE GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89 3D9E 6A84 658F 5245 6EEE --17pEHd4RhPHOinZp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJXC6AwAAoJEGqEZY9SRW7uZsEQALo7TkGvM2miimCzIpx8cxUp tQTGPN9Xm0VBM8cdQ7OLEkpNbQSKuG8sqXpN53l9gufLkVeQxzexCx5h8i2Df7/E W9R+ANKbKcYmLXavTHRfm3BCxuwb/00rvtmXqtfQAoL/Ph1f4YI2LQSLyXNP6IxY aKm510XmvkAUo3kA8rzJ/SZHU58/C7hCbk3Ky3Vn0V0sZeQWtkrJ9bReWMnzbzOI rooVe+LmIqxrUwYjQaavJqKKY88RkFKQGf4zuRKE8HTqigTeolimRjkR5mZXHNsb dS3SsoG5bpeQWm5rPEBpBDfYQnZK+WUOeDWL8EB1Za/PIhryspZC4MY9FsY/BTY0 iw+cC0TNqZzo4qOU7WaU9DJ0meEfbhizUfX6wYXDnifFxF/xlkxkAFuhoSgsTThU VoqMhL+qeoapaXTlV+rwDlt/9LP6fb3KaB6oYYWip799aZNmYcYr/KVEl9fznUWm KT/RWyqhlgp/Mif6F7v1ND6MB9XPiwax1iyAbTFTUCUd5I7quVSzYE6zQBR7s2rj mTjFJ4rPgKM/8My4pSY6LDAMEmMfRiYiV/1Bx/gXnHG0k5VayY6kk1ZNYix7J+Hr Moojs/miMOZUy/jsewfE+yZqFGEsnMNCR6D4qEzaoCQF4scpnAai2XzjDmQWZjWj sItV5l9upa5nFGGh1fpS =S61J -----END PGP SIGNATURE----- --17pEHd4RhPHOinZp--