From owner-svn-src-head@FreeBSD.ORG Sun May 11 17:54:55 2014 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D38D835C for ; Sun, 11 May 2014 17:54:55 +0000 (UTC) Received: from mail-pa0-f50.google.com (mail-pa0-f50.google.com [209.85.220.50]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A24CC2702 for ; Sun, 11 May 2014 17:54:55 +0000 (UTC) Received: by mail-pa0-f50.google.com with SMTP id fb1so6686133pad.23 for ; Sun, 11 May 2014 10:54:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:content-type:mime-version:subject:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to; bh=WslZm/aJhUYzsXdmwa2Ns2UXbUCQUYgRA57WIwFOLOQ=; b=Le3xxIomxqdctM8Sdn+6tx5rl2IKZcnLhVTZpZWK56aMlNUZFY6Lh7HpCXRxSquffd 25OBObB19JJ0h0F+d1FiqcQVJJzXzOn/4E+WKEoxtGjvvgYzZU+dj/CgwkrzXU/8MUIi x3Im9v0qkyJoYr5kouJP0X4hI+dFpUXhcImCh+ztbG58RBEta0OrYrJVJh0SwVFepxNW 9SH28H/vdz8o+GnupnIlIsdbW8uDG7DSf940kRI/tJSTHgHWPik0FKbCpHF/mNHV6acg QvH+OVgVwEXM1I7QF3LVpH8eTjqYoqgCSMr0u9UQc99MpVyfXSKIXS9ryIyTrWqwJsGg ASyg== X-Gm-Message-State: ALoCoQlofhQQN6EBazXWAaK/JnkV+URGhxMAG+8maluucINKBeVlAmPQl5+sA5PtO+Xejr+e0/Sl X-Received: by 10.66.65.169 with SMTP id y9mr46067452pas.145.1399830889325; Sun, 11 May 2014 10:54:49 -0700 (PDT) Received: from lgwl-achen.corp.netflix.com (dc1-prod.netflix.com. [69.53.236.251]) by mx.google.com with ESMTPSA id el14sm37984402pac.31.2014.05.11.10.54.47 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 11 May 2014 10:54:48 -0700 (PDT) Sender: Warner Losh X-Google-Original-From: Warner Losh Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\)) Subject: Re: svn commit: r265861 - in head/sys: arm/include modules From: Warner Losh In-Reply-To: <1399813516.22079.429.camel@revolution.hippie.lan> Date: Sun, 11 May 2014 11:54:46 -0600 Content-Transfer-Encoding: quoted-printable Message-Id: References: <201405110043.s4B0h6B9040965@svn.freebsd.org> <20140511071002.GV74331@kib.kiev.ua> <1399812826.22079.427.camel@revolution.hippie.lan> <99074AB3-B833-4C8C-8925-C826259BF46A@cl.cam.ac.uk> <1399813516.22079.429.camel@revolution.hippie.lan> To: Ian Lepore X-Mailer: Apple Mail (2.1874) Cc: Konstantin Belousov , svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, David Chisnall X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 May 2014 17:54:55 -0000 On May 11, 2014, at 7:05 AM, Ian Lepore wrote: > On Sun, 2014-05-11 at 13:58 +0100, David Chisnall wrote: >> On 11 May 2014, at 13:53, Ian Lepore wrote: >>=20 >>> Ooops, indeed, thanks. Although... it's a good change in terms of >>> speeding up the build, I just didn't intend to commit it until it = got >>> tested with -j levels higher than I can test with my little 6-core >>> machine. >>=20 >> I'd be happy to test it on a 32-core machine. Are there any specific = configs you need, or is buildkernel enough? >>=20 >> David >>=20 >>=20 >=20 > Well eventually it'll need a universe build test, but any = kernel/modules > build at -j32 would be a good start. With the lib races, I=92ve found that you need to do a variety of = different =91j=92 values. My 12 core box is enough to provoke the races = sometimes, but it is more likely with different j values. I routinely = use 12, 16, 20, 24, 32 and 100 when proofing my changes. Warner