From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrew Morton <akpm@osdl.org>,
Arjan van de Ven <arjan@infradead.org>,
linux-kernel@vger.kernel.org
Subject: Re: [patch, -rc5-mm1] locking validator: special rule: 3c59x.c disable_irq()
Date: Wed, 31 May 2006 22:36:09 +0200 [thread overview]
Message-ID: <20060531203609.GA882@elte.hu> (raw)
In-Reply-To: <1149107540.9978.5.camel@localhost.localdomain>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> On Wed, 2006-05-31 at 22:09 +0200, Ingo Molnar wrote:
> > Subject: locking validator: special rule: 3c59x.c disable_irq()
> > From: Ingo Molnar <mingo@elte.hu>
> >
> > 3c59x.c's vortex_timer() function knows that vp->lock can only be used
> > by an irq context that it disabled - and can hence take the vp->lock
> > without disabling hardirqs. Teach lockdep about this.
>
> Ingo,
>
> Did you update your
> http://people.redhat.com/mingo/lockdep-patches/lockdep-combo-2.6.17-rc5-mm1.patch
> or did I miss the patch to add the disable_irq_lockdep function?
i've updated it now, please check it out. (i sent the generic
disable_irq_lockdep() bits to lkml separately but forgot to Cc: you)
Ingo
next prev parent reply other threads:[~2006-05-31 20:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-31 20:09 [patch, -rc5-mm1] locking validator: special rule: 3c59x.c disable_irq() Ingo Molnar
2006-05-31 20:32 ` Steven Rostedt
2006-05-31 20:36 ` Ingo Molnar [this message]
2006-05-31 21:32 ` Steven Rostedt
2006-05-31 21:38 ` Ingo Molnar
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