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Subject: Re: [PATCH 2/4] coredump: speedup SIGKILL sending
From: Lee Revell <rlrevell@joe-job.com>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Andrew Morton <akpm@osdl.org>, "Eric W. Biederman" <ebiederm@xmission.com>,
       Ingo Molnar <mingo@elte.hu>, "Paul E. McKenney" <paulmck@us.ibm.com>,
       Roland McGrath <roland@redhat.com>, linux-kernel@vger.kernel.org
In-Reply-To: <20060406220628.GA237@oleg>
References: <20060406220628.GA237@oleg>
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Date: Thu, 06 Apr 2006 15:45:58 -0400
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On Fri, 2006-04-07 at 02:06 +0400, Oleg Nesterov wrote:
> With this patch a thread group is killed atomically under ->siglock.
> This is faster because we can use sigaddset() instead of force_sig_info()
> and this is used in further patches.
> 
> Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>

Won't this cause huge latencies when a process with lots of threads is
killed?

Lee