From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Samuel Subject: Re: [GIT PULL] adaptive spinning mutexes Date: Thu, 15 Jan 2009 23:53:02 +1100 Message-ID: <200901152353.05990.chris@csamuel.org> References: <20090114105300.66bd014d.akpm@linux-foundation.org> <20090114223408.GA19173@elte.hu> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart5190305.3EItt4FeP3"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Cc: Ingo Molnar , Kay Sievers , Andrew Morton , torvalds@linux-foundation.org, a.p.zijlstra@chello.nl, paulmck@linux.vnet.ibm.com, ghaskins@novell.com, matthew@wil.cx, andi@firstfloor.org, chris.mason@oracle.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, tglx@linutronix.de, npiggin@suse.de, pmorreale@novell.com, SDietrich@novell.com, dmitry.adamushko@gmail.com, hannes@cmpxchg.org To: linux-btrfs@vger.kernel.org Return-path: Received: from csamuel.org ([207.210.213.14]:44446 "EHLO csamuel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750937AbZAOMxO (ORCPT ); Thu, 15 Jan 2009 07:53:14 -0500 In-Reply-To: <20090114223408.GA19173@elte.hu> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: --nextPart5190305.3EItt4FeP3 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Thu, 15 Jan 2009 9:34:08 am Ingo Molnar wrote: > So the 3 main Linux distros, generating ~95% of the kerneloops.org > feedback traffic, all have SCHED_DEBUG=3Dy, and at least two have > !DEBUG_MUTEXES. (possibly Ubuntu has that disabled it too) That looks correct for Ubuntu: chris@mythtv:~$ grep CONFIG_DEBUG_MUTEXES /boot/config-2.6.2* /boot/config-2.6.24-21-generic:# CONFIG_DEBUG_MUTEXES is not set /boot/config-2.6.27-7-generic:# CONFIG_DEBUG_MUTEXES is not set /boot/config-2.6.27-9-generic:# CONFIG_DEBUG_MUTEXES is not set =2D-=20 Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC This email may come with a PGP signature as a file. Do not panic. =46or more info see: http://en.wikipedia.org/wiki/OpenPGP --nextPart5190305.3EItt4FeP3 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iQEVAwUASW8xsY1yjaOTJg85AQJttggAjdGnncYFLUopmVOqSR1+znnTz4IoAGGz 5B58r35VpgvlIqZoldWMzCqK99aDyt2eLc4I+vcpr54za29UgAytrquGR1S9MzDv VC/Mm4SfYPAPZ9anbowMUEKQD+rSXXq02yEprcSEE3TyWH9EoqMZoehVkkegJFzd ZSXtU/vhZQ4DJavu0FF6xRwvGR2IlDBqCNeDbTFxQAUuXe1HEFqsdqHlLgRKbk2v JNB8s+Q3QpGugElMEdK/bXbxm5V3lWioKHM7jOjJWtvYuUGlCXR8ZY5ajHHiTkE2 VnmqiTEiuBPfKK+wZVkcmGdwyWkqCXUy2+dT6AV4LQwXCbQxr6gANA== =bTVt -----END PGP SIGNATURE----- --nextPart5190305.3EItt4FeP3--