From owner-svn-src-all@freebsd.org Thu Apr 14 22:38:14 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 A38D7ADAFD1; Thu, 14 Apr 2016 22:38:14 +0000 (UTC) (envelope-from imp@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 mx1.freebsd.org (Postfix) with ESMTPS id 7656E1889; Thu, 14 Apr 2016 22:38:14 +0000 (UTC) (envelope-from imp@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u3EMcD0u067567; Thu, 14 Apr 2016 22:38:13 GMT (envelope-from imp@FreeBSD.org) Received: (from imp@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u3EMcDOp067566; Thu, 14 Apr 2016 22:38:13 GMT (envelope-from imp@FreeBSD.org) Message-Id: <201604142238.u3EMcDOp067566@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: imp set sender to imp@FreeBSD.org using -f From: Warner Losh Date: Thu, 14 Apr 2016 22:38:13 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r298015 - head X-SVN-Group: head 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: 2.1.21 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: Thu, 14 Apr 2016 22:38:14 -0000 Author: imp Date: Thu Apr 14 22:38:13 2016 New Revision: 298015 URL: https://svnweb.freebsd.org/changeset/base/298015 Log: Add note about CAM I/O scheduler. Modified: head/UPDATING Modified: head/UPDATING ============================================================================== --- head/UPDATING Thu Apr 14 22:32:56 2016 (r298014) +++ head/UPDATING Thu Apr 14 22:38:13 2016 (r298015) @@ -31,6 +31,13 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11 disable the most expensive debugging functionality run "ln -s 'abort:false,junk:false' /etc/malloc.conf".) +20160414: + The CAM I/O scheduler has been committed to the kernel. There should + be no user visible impact. This does enable NCQ Trim on ada + SSDs. While the list of known rogues that claim support for + this but actually corrupt data is believed to be complete, be + on the lookout for data corruption. + 20160330: The FAST_DEPEND build option has been removed and its functionality is now the one true way. The old mkdep(1) style of 'make depend' has