linux-kernel - Re: [PATCH -rt][RESEND] spin lock imbalance in ibm emac

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Message-ID: <20061211155908.GA31944@elte.hu>
Date:	Mon, 11 Dec 2006 16:59:08 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Daniel Walker <dwalker@...sta.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -rt][RESEND] spin lock imbalance in ibm emac


* Daniel Walker <dwalker@...sta.com> wrote:

> On Mon, 2006-12-11 at 10:27 +0100, Ingo Molnar wrote:
> > * Daniel Walker <dwalker@...sta.com> wrote:
> > 
> > > Sent this a long time ago, still exists. 
> > > 
> > > Signed-Off-By: Daniel Walker <dwalker@...sta.com>
> > 
> > hm, what does this do, and why isnt it upstream?
> 
> AFAIK, those locks are added in -rt . I'm not sure how they got in 
> there, but they fix that driver when running in a thread. The driver 
> has unsafe SMP locking, but the only system it runs on (PPC4xx) is 
> uniprocessor. So it's not broken upstream per se.

ok, i've applied your patch.

	Ingo
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