From: Kyle McMartin <kyle@mcmartin.ca>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: stable@kernel.org, Parisc List <linux-parisc@vger.kernel.org>
Subject: Re: Request for backport of [PARISC] futex: special case cmpxchg NULL in kernel space
Date: Tue, 15 Apr 2008 12:09:03 -0400 [thread overview]
Message-ID: <20080415160903.GD22873@phobos.i.cabal.ca> (raw)
In-Reply-To: <1208274312.3131.11.camel@localhost.localdomain>
On Tue, Apr 15, 2008 at 10:45:11AM -0500, James Bottomley wrote:
> This is a fix for a bug introduced by tglx into 2.6.25 which we fixed
> upstream. However, he also got it backported to stable, so now 2.6.24.4
> panics on boot on parisc. The attached is the fix.
>
The fix is fine, but it was misdiagnosed. The problem is actually that
swapper's *mm is unset. I switched it to if (!current->mm) in git,
but as usual I'm a slacker and haven't pushed it anywhere.
+1 for stable from me.
next prev parent reply other threads:[~2008-04-15 16:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-15 15:45 Request for backport of [PARISC] futex: special case cmpxchg NULL in kernel space James Bottomley
2008-04-15 16:09 ` Kyle McMartin [this message]
2008-04-17 0:29 ` patch parisc-futex-special-case-cmpxchg-null-in-kernel-space.patch queued to 2.6.24-stable tree chrisw
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