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From: Ingo Molnar <mingo@elte.hu>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Roland McGrath <roland@redhat.com>,
	Doug Chapman <doug.chapman@hp.com>,
	Frank Mayhar <fmayhar@google.com>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/3] thread_group_cputime: move a couple of callsites outside of ->siglock
Date: Mon, 17 Nov 2008 16:57:06 +0100	[thread overview]
Message-ID: <20081117155706.GC12081@elte.hu> (raw)
In-Reply-To: <20081117144008.GA5386@redhat.com>


* Oleg Nesterov <oleg@redhat.com> wrote:

> ->siglock buys nothing for thread_group_cputime() in do_sys_times() and
> wait_task_zombie() (which btw takes the unrelated parent's ->siglock).
> Actually I think do_sys_times() doesn't need ->siglock at all.
> 
> Signed-off-by: Oleg Nesterov <oleg@redhat.com>

applied your changes to tip/core/signal:

2b5fe6d: thread_group_cputime: move a couple of callsites outside of ->siglock
ce39447: thread_group_cputime: kill the bogus ->signal != NULL check
74fcd52: account_steal_time: kill the unneeded account_group_system_time()

(merged the sched/urgent fixlet before them)

thanks Oleg!

	Ingo

      reply	other threads:[~2008-11-17 15:57 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-17 14:40 [PATCH 4/3] thread_group_cputime: move a couple of callsites outside of ->siglock Oleg Nesterov
2008-11-17 15:57 ` Ingo Molnar [this message]

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