From: Dave Jones <davej@redhat.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Andrew Morton <akpm@osdl.org>,
mingo@redhat.com, Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: fix __exit_mm() dereference before check.
Date: Fri, 16 Apr 2004 23:13:10 +0100 [thread overview]
Message-ID: <20040416221310.GX20937@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0404161458510.3947@ppc970.osdl.org>
On Fri, Apr 16, 2004 at 03:01:32PM -0700, Linus Torvalds wrote:
> The mm->mm_users check is protected by "tsk->clear_child_tid", and that
> will have been cleared already if we ever happen to call __exit_mm()
> twice, so that one is safe.
Yes, I missed this.
> So this patch might be a cleanup, but not a "fix" per se.
ACK.
Dave
prev parent reply other threads:[~2004-04-16 22:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-16 21:08 fix __exit_mm() dereference before check Dave Jones
2004-04-16 22:01 ` Linus Torvalds
2004-04-16 22:13 ` Dave Jones [this message]
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