From: Tony Lindgren <tony@atomide.com>
To: David Brownell <david-b@pacbell.net>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
linux-arm-kernel@lists.arm.linux.org.uk,
"Stanley.Miao" <stanley.miao@windriver.com>,
linux-omap@vger.kernel.org
Subject: Re: [PATCH 2/9] ARM: OMAP: Fix McBSP spin_lock deadlock
Date: Wed, 28 Jan 2009 16:51:28 -0800 [thread overview]
Message-ID: <20090129005127.GW32148@atomide.com> (raw)
In-Reply-To: <200901281553.07677.david-b@pacbell.net>
* David Brownell <david-b@pacbell.net> [090128 15:53]:
> On Wednesday 28 January 2009, Tony Lindgren wrote:
> > > On the other hand, we probably need this fix. The question is, are there
> > > real problems being caused by this, or is this patch just the result of
> > > code analysis? And can these problems be produced with mainline (iow,
> > > do we have enough other code merged to expose this)?
> >
> > AFAIK it happens in the mainline with CONFIG_PREMEPT and ASoC.
>
> 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
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next prev parent reply other threads:[~2009-01-29 0:51 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-28 18:21 [PATCH 0/9] Omap fixes for 2.6.29-rc series, also one arm generic fix Tony Lindgren
2009-01-28 18:23 ` [PATCH 1/9] ARM: Do early I/O mapping if spinlock debugging is enabled Tony Lindgren
2009-01-28 18:53 ` Russell King - ARM Linux
2009-01-28 23:51 ` David Brownell
2009-01-29 16:52 ` Tony Lindgren
2009-01-28 18:24 ` [PATCH 2/9] ARM: OMAP: Fix McBSP spin_lock deadlock Tony Lindgren
2009-01-28 19:27 ` Russell King - ARM Linux
2009-01-28 21:28 ` Tony Lindgren
2009-01-28 23:53 ` David Brownell
2009-01-29 0:51 ` Tony Lindgren [this message]
2009-01-29 2:05 ` David Brownell
2009-01-28 18:25 ` [PATCH 3/9] ARM: OMAP: Fix race in OMAP2/3 DMA IRQ handling Tony Lindgren
2009-01-28 18:26 ` [PATCH 4/9] ARM: OMAP: DMA: Fix uninitialized channel flags Tony Lindgren
2009-01-28 18:28 ` [PATCH 5/9] ARM: OMAP: Fix omap34xx revision detection for ES3.1 Tony Lindgren
2009-01-28 18:29 ` [PATCH 6/9] ARM: OMAP: Fix hsmmc init Tony Lindgren
2009-01-28 19:08 ` Russell King - ARM Linux
2009-01-29 18:48 ` [PATCH 6/9] ARM: OMAP: Fix hsmmc init, v2 Tony Lindgren
2009-01-28 18:30 ` [PATCH 7/9] ARM: OMAP: gptimer min_delta_ns corrected Tony Lindgren
2009-01-28 18:32 ` [PATCH 8/9] ARM: OMAP: Mask interrupts when disabling interrupts Tony Lindgren
2009-01-28 18:58 ` Russell King - ARM Linux
2009-01-28 19:07 ` [PATCH 8/9] ARM: OMAP: Mask interrupts when disabling interrupts, v2 Tony Lindgren
2009-01-28 18:33 ` [PATCH 9/9] ARM: OMAP: fix fault in enter_full_retention() Tony Lindgren
2009-01-28 19:21 ` [PATCH 0/9] Omap fixes for 2.6.29-rc series, also one arm generic fix Russell King - ARM Linux
2009-01-29 18:49 ` git pull request for omap-fixes (Re: [PATCH 0/9] Omap fixes for 2.6.29-rc series, also one arm generic fix) Tony Lindgren
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