From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 2/9] ARM: OMAP: Fix McBSP spin_lock deadlock Date: Wed, 28 Jan 2009 16:51:28 -0800 Message-ID: <20090129005127.GW32148@atomide.com> References: <20090128181931.21007.73744.stgit@localhost> <20090128192705.GG23301@n2100.arm.linux.org.uk> <20090128212854.GV32148@atomide.com> <200901281553.07677.david-b@pacbell.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mho-01-bos.mailhop.org ([63.208.196.178]:51996 "EHLO mho-01-bos.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751212AbZA2Avi (ORCPT ); Wed, 28 Jan 2009 19:51:38 -0500 Content-Disposition: inline In-Reply-To: <200901281553.07677.david-b@pacbell.net> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: David Brownell Cc: Russell King - ARM Linux , linux-arm-kernel@lists.arm.linux.org.uk, "Stanley.Miao" , linux-omap@vger.kernel.org * David Brownell [090128 15:53]: > On Wednesday 28 January 2009, Tony Lindgren wrote: > > > On the other hand, we probably need this fix. =A0The question is,= are there > > > real problems being caused by this, or is this patch just the res= ult of > > > code analysis? =A0And can these problems be produced with mainlin= e (iow, > > > do we have enough other code merged to expose this)? > >=20 > > AFAIK it happens in the mainline with CONFIG_PREMEPT and ASoC. >=20 > I thought it was just spinlock debugging, period. Yeah right, that's all there is to it. Without ASoC there may not be any McBSP users.. And to see the warnings spinlock debugging is needed. Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html