From: Christoph Hellwig <hch@infradead.org>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Ingo Molnar <mingo@elte.hu>, Roland McGrath <roland@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] signals: do_tkill: don't use tasklist_lock
Date: Fri, 7 Mar 2008 05:50:25 -0500 [thread overview]
Message-ID: <20080307105025.GB20000@infradead.org> (raw)
In-Reply-To: <20080307095813.GA8894@tv-sign.ru>
On Fri, Mar 07, 2008 at 12:58:13PM +0300, Oleg Nesterov wrote:
> Note that we don't return an error if lock_task_sighand() fails, we pretend the
> task dies after receiving the signal. Otherwise, we should fight with the nasty
> races with mt-exec without having any advantage.
This should be mentioned in a comment in the code.
next prev parent reply other threads:[~2008-03-07 10:50 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-07 9:58 Oleg Nesterov
2008-03-07 10:50 ` Christoph Hellwig [this message]
2008-03-07 11:05 ` [PATCH] signals-do_tkill-dont-use-tasklist_lock-comment Oleg Nesterov
2008-03-07 19:31 ` [PATCH] signals: do_tkill: don't use tasklist_lock Roland McGrath
2008-03-07 20:13 ` Oleg Nesterov
2008-03-07 20:23 ` Oleg Nesterov
2008-03-07 21:19 ` Roland McGrath
2008-03-07 21:32 ` Oleg Nesterov
2008-03-07 21:51 ` Roland McGrath
2008-03-08 18:05 ` mt-exec && signals Oleg Nesterov
2008-03-11 2:41 ` Roland McGrath
-- strict thread matches above, loose matches on Subject: below --
2008-03-07 9:52 [PATCH] signals: do_tkill: don't use tasklist_lock Oleg Nesterov
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