From owner-freebsd-arm@FreeBSD.ORG Sun Apr 6 00:21:19 2014 Return-Path: Delivered-To: freebsd-arm@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id A59D37C; Sun, 6 Apr 2014 00:21:19 +0000 (UTC) Received: from mho-01-ewr.mailhop.org (mho-03-ewr.mailhop.org [204.13.248.66]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 790D9E19; Sun, 6 Apr 2014 00:21:18 +0000 (UTC) Received: from c-24-8-230-52.hsd1.co.comcast.net ([24.8.230.52] helo=damnhippie.dyndns.org) by mho-01-ewr.mailhop.org with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1WWapp-000Dj5-OQ; Sun, 06 Apr 2014 00:21:17 +0000 Received: from [172.22.42.240] (revolution.hippie.lan [172.22.42.240]) by damnhippie.dyndns.org (8.14.3/8.14.3) with ESMTP id s360LF36089841; Sat, 5 Apr 2014 18:21:15 -0600 (MDT) (envelope-from ian@FreeBSD.org) X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 24.8.230.52 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX18+yGMzpM/IYDHRZ7DMpZ6g Subject: Re: ARM SMP is ready for prime time on FreeBSD From: Ian Lepore To: Zbigniew Bodek In-Reply-To: References: <1396645871.81853.330.camel@revolution.hippie.lan> Content-Type: text/plain; charset="us-ascii" Date: Sat, 05 Apr 2014 18:21:15 -0600 Message-ID: <1396743675.81853.343.camel@revolution.hippie.lan> Mime-Version: 1.0 X-Mailer: Evolution 2.32.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Cc: freebsd-arm X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Apr 2014 00:21:19 -0000 On Sat, 2014-04-05 at 14:09 +0200, Zbigniew Bodek wrote: > 2014-04-04 23:11 GMT+02:00 Ian Lepore : > > Thanks to the contributions of many dedicated freebsd-arm hackers over > > the past few months, it looks like SMP is now solid enough for everyday > > use. SMP has been "kinda working" for a while, but I think the pmap > > fixes we've been working on for the past few weeks have made things > > pretty robust. I've had continuous stress-testing on running on dual > > and quad-core boards with a multi-threaded app that maxes out all the > > cores with heavy floating point and network IO and haven't had any app > > crashes or kernel panics for a couple weeks. > > > > I've updated the kernel configs for the platforms I know have multiple > > cores, as of r264138. > > > > -- Ian > > > > Great work guys. Thank you. > > Best regards > zbb I discovered today that I somehow dropped a couple TLB flushes in putting together the commit for r264129, so anyone using SMP should update to today's r264183 or later. Sorry 'bout that. -- Ian