From owner-freebsd-hackers@FreeBSD.ORG Mon Feb 4 20:25:01 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A0C5016A473 for ; Mon, 4 Feb 2008 20:25:01 +0000 (UTC) (envelope-from kris@FreeBSD.org) Received: from weak.local (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id BD47D13C458; Mon, 4 Feb 2008 20:25:00 +0000 (UTC) (envelope-from kris@FreeBSD.org) Message-ID: <47A7749B.8070100@FreeBSD.org> Date: Mon, 04 Feb 2008 21:24:59 +0100 From: Kris Kennaway User-Agent: Thunderbird 2.0.0.9 (Macintosh/20071031) MIME-Version: 1.0 To: d@delphij.net References: <47A6D272.2000406@gmail.com> <47A6D420.5050700@delphij.net> <1202156029.47a771fda5d1c@imp.free.fr> <47A773AD.1010108@delphij.net> In-Reply-To: <47A773AD.1010108@delphij.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-hackers@freebsd.org, gregoryd.freebsd@free.fr Subject: Re: SCHED_ULE trouble after ugrade 6.2-RELEASE -> 6.3-RELEASE X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Feb 2008 20:25:01 -0000 Xin LI wrote: > I can not speak for that, but my understanding is, no, it won't be > MFC'ed. The performance enhancements on 7.x included a lot of factors, > ULE is one of them, and there are also some other enhancements in the > system, which could be not suitable for MFC due to ABI/KBI change. Yes, there is no possibility of ULE 2.0 being merged to 6.x. Use it in 6.x if you dare, just don't complain to us if it breaks your system :-) i.e. if at any point you start experiencing problems, do not report them until you have verified that they persist with 4BSD also. Kris