From owner-freebsd-hardware@FreeBSD.ORG Sat Oct 28 01:18:42 2006 Return-Path: X-Original-To: hardware@freebsd.org Delivered-To: freebsd-hardware@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 180DC16A417 for ; Sat, 28 Oct 2006 01:18:42 +0000 (UTC) (envelope-from mikej@rogers.com) Received: from smtp103.rog.mail.re2.yahoo.com (smtp103.rog.mail.re2.yahoo.com [206.190.36.81]) by mx1.FreeBSD.org (Postfix) with SMTP id 3FC5E43D4C for ; Sat, 28 Oct 2006 01:18:41 +0000 (GMT) (envelope-from mikej@rogers.com) Received: (qmail 21739 invoked from network); 28 Oct 2006 01:18:40 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rogers.com; h=Received:Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=XlNBK7RggRZzjwfzSUYy1r9hNnKtcDh6Dl+m+OYSUJFOtd0vXt46beAa6uEc6mwzlwVkjIr+TQ1v0DabCMvvhu+MDhva88rRgTk3RalyrE+1ms43r8ecjGHUbi6etkqYtIc3n1excml3Xt9Tk9yInCog4frs5q9ssvayIyR3oyk= ; Received: from unknown (HELO ?172.16.0.200?) (mikej@rogers.com@74.111.253.239 with plain) by smtp103.rog.mail.re2.yahoo.com with SMTP; 28 Oct 2006 01:18:40 -0000 Message-ID: <4542AFFD.7070100@rogers.com> Date: Fri, 27 Oct 2006 21:18:53 -0400 From: Mike Jakubik User-Agent: Thunderbird 1.5.0.7 (Windows/20060909) MIME-Version: 1.0 To: Paul Saab References: <45429B67.4020500@rogers.com> <4542A948.5080809@freebsd.org> In-Reply-To: <4542A948.5080809@freebsd.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: hardware@freebsd.org Subject: Re: GIANT-FREE ciss X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Oct 2006 01:18:42 -0000 Paul Saab wrote: > I did experiments and found that ciss did not gain any thing by making > it MPSAFE. This may have changed with newer cards, but with all the > older cards, there was no gain. Thanks for the information. I wasn't aware that this was a possible case. Wouldn't the GIANT lock have a negative effect on other applications/system? Or is my understanding of the lock flawed?