From owner-svn-src-all@FreeBSD.ORG Thu Apr 30 15:50:38 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id ABA8F398; Thu, 30 Apr 2015 15:50:38 +0000 (UTC) Received: from bigwig.baldwin.cx (bigwig.baldwin.cx [IPv6:2001:470:1f11:75::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 855141A9C; Thu, 30 Apr 2015 15:50:38 +0000 (UTC) Received: from ralph.baldwin.cx (pool-173-54-116-245.nwrknj.fios.verizon.net [173.54.116.245]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 20FBFB91F; Thu, 30 Apr 2015 11:50:37 -0400 (EDT) From: John Baldwin To: src-committers@freebsd.org Cc: svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r282274 - in head: share/man/man4 sys/amd64/include/xen sys/conf sys/dev/xen/balloon sys/dev/xen/blkback sys/dev/xen/control sys/dev/xen/grant_table sys/dev/xen/netback sys/dev/xen/netf... Date: Thu, 30 Apr 2015 11:50:25 -0400 Message-ID: <2157167.0KNEAOyALl@ralph.baldwin.cx> User-Agent: KMail/4.14.2 (FreeBSD/10.1-STABLE; KDE/4.14.2; amd64; ; ) In-Reply-To: <201504301548.t3UFmnKt093935@svn.freebsd.org> References: <201504301548.t3UFmnKt093935@svn.freebsd.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (bigwig.baldwin.cx); Thu, 30 Apr 2015 11:50:37 -0400 (EDT) X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 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: Thu, 30 Apr 2015 15:50:38 -0000 On Thursday, April 30, 2015 03:48:49 PM John Baldwin wrote: > Author: jhb > Date: Thu Apr 30 15:48:48 2015 > New Revision: 282274 > URL: https://svnweb.freebsd.org/changeset/base/282274 > > Log: > Remove support for Xen PV domU kernels. Support for HVM domU kernels > remains. Xen is planning to phase out support for PV upstream since it > is harder to maintain and has more overhead. Modern x86 CPUs include > virtualization extensions that support HVM guests instead of PV guests. > In addition, the PV code was i386 only and not as well maintained recently > as the HVM code. > - Remove the i386-only NATIVE option that was used to disable certain > components for PV kernels. These components are now standard as they > are on amd64. > - Remove !XENHVM bits from PV drivers. > - Remove various shims required for XEN (e.g. PT_UPDATES_FLUSH, LOAD_CR3, > etc.) > - Remove duplicate copy of . > - Remove unused, i386-only xenstored.h. > > Differential Revision: https://reviews.freebsd.org/D2362 > Reviewed by: royger > Tested by: royger (i386/amd64 HVM domU and amd64 PVH dom0) > Relnotes: yes Forgot to add: Discussed with: cperciva Colin assured me that everyone using FreeBSD in EC2 is using HVM, not PV domU. -- John Baldwin