From: Ingo Molnar <mingo@elte.hu>
To: Daniel Walker <dwalker@mvista.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH -rt][RESEND] spin lock imbalance in ibm emac
Date: Mon, 11 Dec 2006 16:59:08 +0100 [thread overview]
Message-ID: <20061211155908.GA31944@elte.hu> (raw)
In-Reply-To: <1165851624.7764.3.camel@imap.mvista.com>
* Daniel Walker <dwalker@mvista.com> wrote:
> On Mon, 2006-12-11 at 10:27 +0100, Ingo Molnar wrote:
> > * Daniel Walker <dwalker@mvista.com> wrote:
> >
> > > Sent this a long time ago, still exists.
> > >
> > > Signed-Off-By: Daniel Walker <dwalker@mvista.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
next prev parent reply other threads:[~2006-12-11 16:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-10 16:38 [PATCH -rt][RESEND] spin lock imbalance in ibm emac Daniel Walker
2006-12-11 9:27 ` Ingo Molnar
2006-12-11 15:40 ` Daniel Walker
2006-12-11 15:59 ` Ingo Molnar [this message]
2006-12-11 16:05 ` Daniel Walker
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