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From: Russ Anderson <rja@sgi.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
	David Woodhouse <dwmw2@infradead.org>,
	Jesse Barnes <jbarnes@virtuousgeek.org>,
	rja@americas.sgi.com
Subject: Re: [BUG] intr_remap: Simplify the code further
Date: Fri, 29 Oct 2010 22:48:04 -0500	[thread overview]
Message-ID: <20101030034804.GC9557@sgi.com> (raw)
In-Reply-To: <AANLkTi=Ct+NXV_pvPNbn+j-j=hHXmUxaqa=XEaga=+Pq@mail.gmail.com>

On Fri, Oct 29, 2010 at 07:55:49PM -0700, Yinghai Lu wrote:
> On Fri, Oct 29, 2010 at 6:50 PM, Russ Anderson <rja@sgi.com> wrote:
> > On Fri, Oct 29, 2010 at 05:37:42PM -0700, Suresh Siddha wrote:
> >> On Fri, 2010-10-29 at 15:22 -0700, Russ Anderson wrote:
> >> > There is a regression that is causing a NULL pointer dereference
> >> > in free_irte when shutting down xpc.  git bisect narrowed it down
> >> > to git commit d585d060b42bd36f6f0b23ff327d3b91f80c7139, which
> >> > changed free_irte().  Reverse applying the patch fixes the problem.
> >> >
> >>
> >> Russ, Is this with !CONFIG_SPARSE_IRQ?
> >
> >
> > CONFIG_SPARSE_IRQ=y
> >
> 
> can you try attached patch?

That fixes it.

> Yinghai

Thanks!

-- 
Russ Anderson, OS RAS/Partitioning Project Lead  
SGI - Silicon Graphics Inc          rja@sgi.com

  reply	other threads:[~2010-10-30  3:48 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-29 22:22 [BUG] intr_remap: Simplify the code further Russ Anderson
2010-10-30  0:37 ` Suresh Siddha
2010-10-30  1:50   ` Russ Anderson
2010-10-30  2:55     ` Yinghai Lu
2010-10-30  3:48       ` Russ Anderson [this message]
2010-10-30  8:19         ` [PATCH] x86, uv: Fix uv with destroy_irq() Yinghai Lu
2010-10-30  8:22           ` Thomas Gleixner
2010-10-30  8:36           ` [tip:x86/urgent] x86: Check irq_remapped instead of remapping_enabled in destroy_irq() tip-bot for Yinghai Lu

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