From owner-cvs-all Thu Feb 14 9:31:43 2002 Delivered-To: cvs-all@freebsd.org Received: from dragon.nuxi.com (trang.nuxi.com [66.92.13.169]) by hub.freebsd.org (Postfix) with ESMTP id 89FF237B417; Thu, 14 Feb 2002 09:31:37 -0800 (PST) Received: (from obrien@localhost) by dragon.nuxi.com (8.11.6/8.11.1) id g1EHVbd05495; Thu, 14 Feb 2002 09:31:37 -0800 (PST) (envelope-from obrien) Date: Thu, 14 Feb 2002 09:31:36 -0800 From: "David O'Brien" To: Alfred Perlstein Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/conf GENERIC Message-ID: <20020214093136.A5456@dragon.nuxi.com> Reply-To: obrien@FreeBSD.org References: <200202131847.g1DIlp851160@freefall.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200202131847.g1DIlp851160@freefall.freebsd.org>; from alfred@FreeBSD.org on Wed, Feb 13, 2002 at 10:47:51AM -0800 X-Operating-System: FreeBSD 5.0-CURRENT Organization: The NUXI BSD group X-Pgp-Rsa-Fingerprint: B7 4D 3E E9 11 39 5F A3 90 76 5D 69 58 D9 98 7A X-Pgp-Rsa-Keyid: 1024/34F9F9D5 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, Feb 13, 2002 at 10:47:51AM -0800, Alfred Perlstein wrote: > alfred 2002/02/13 10:47:51 PST > > Modified files: > sys/i386/conf GENERIC > Log: > Re-enable WITNESS for GENERIC. Since the 5.x branch is mostly about > SMP we'd like as much feedback as possible from users about possible > locking problems as early as possible. Thank you. :-) > To negate most of the performance impact I've also enabled > WITNESS_SKIPSPIN. I've done this as we've been running WITNESS > over the spinlock code for a while without incident and it goes a > long way to making the performance problems of WITNESS much more > bearable. A good compromise. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message