From: Frank Mayhar <fmayhar@google.com>
To: Roland McGrath <roland@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: posix-cpu-timers revamp
Date: Wed, 02 Apr 2008 10:42:44 -0700 [thread overview]
Message-ID: <1207158164.11976.32.camel@bobble.smo.corp.google.com> (raw)
In-Reply-To: <20080402020707.151E126F8DC@magilla.localdomain>
On Tue, 2008-04-01 at 19:07 -0700, Roland McGrath wrote:
> The first thing to do is move the existing summation of utime, stime, and
> sum_exec_runtime in __exit_signal into an inline thread_group_cputime_exit.
> That abstracts it into the set of inlines that can vary for the different
> flavors of storage model. For UP, it does nothing.
One quick note: this inline isn't needed for the 2b solution (allocate
percpu storage in copy_signal CLONE_THREAD case), since if there's more
than one thread there'll always be a percpu area and if there's only one
thread the summation code won't be entered.
--
Frank Mayhar <fmayhar@google.com>
Google, Inc.
next prev parent reply other threads:[~2008-04-02 17:43 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-9906-10286@http.bugzilla.kernel.org/>
2008-02-07 0:50 ` [Bugme-new] [Bug 9906] New: Weird hang with NPTL and SIGPROF Andrew Morton
2008-02-07 0:58 ` Frank Mayhar
2008-02-07 2:57 ` Parag Warudkar
2008-02-07 15:22 ` Alejandro Riveira Fernández
2008-02-07 15:53 ` Parag Warudkar
2008-02-07 15:56 ` Parag Warudkar
2008-02-07 15:54 ` Alejandro Riveira Fernández
2008-02-07 16:01 ` Parag Warudkar
2008-02-07 16:53 ` Parag Warudkar
2008-02-29 19:55 ` Frank Mayhar
2008-03-04 7:00 ` Roland McGrath
2008-03-04 19:52 ` Frank Mayhar
2008-03-05 4:08 ` Roland McGrath
2008-03-06 19:04 ` Frank Mayhar
2008-03-11 7:50 ` posix-cpu-timers revamp Roland McGrath
2008-03-11 21:05 ` Frank Mayhar
2008-03-11 21:35 ` Roland McGrath
2008-03-14 0:37 ` Frank Mayhar
2008-03-21 7:18 ` Roland McGrath
2008-03-21 17:57 ` Frank Mayhar
2008-03-22 21:58 ` Roland McGrath
2008-03-24 17:34 ` Frank Mayhar
2008-03-24 22:43 ` Frank Mayhar
2008-03-31 5:44 ` Roland McGrath
2008-03-31 20:24 ` Frank Mayhar
2008-04-02 2:07 ` Roland McGrath
2008-04-02 16:34 ` Frank Mayhar
2008-04-02 17:42 ` Frank Mayhar [this message]
2008-04-02 19:48 ` Roland McGrath
2008-04-02 20:34 ` Frank Mayhar
2008-04-02 21:42 ` Frank Mayhar
2008-04-04 0:53 ` Frank Mayhar
2008-04-04 23:17 ` Roland McGrath
2008-04-06 5:26 ` Frank Mayhar
2008-04-07 20:08 ` Roland McGrath
2008-04-07 21:31 ` Frank Mayhar
2008-04-07 22:02 ` Roland McGrath
2008-04-08 21:27 ` Frank Mayhar
2008-04-08 21:52 ` Frank Mayhar
2008-04-08 22:49 ` Roland McGrath
2008-04-09 16:29 ` Frank Mayhar
2008-04-02 18:42 ` Frank Mayhar
2008-03-28 0:52 ` [PATCH 2.6.25-rc6] Fix itimer/many thread hang Frank Mayhar
2008-03-28 10:28 ` Ingo Molnar
2008-03-28 22:46 ` [PATCH 2.6.25-rc7 resubmit] " Frank Mayhar
2008-04-01 18:45 ` Andrew Morton
2008-04-01 21:46 ` Frank Mayhar
2008-03-21 20:40 ` posix-cpu-timers revamp Frank Mayhar
2008-03-07 23:26 ` [Bugme-new] [Bug 9906] New: Weird hang with NPTL and SIGPROF Frank Mayhar
2008-03-08 0:01 ` Frank Mayhar
2008-02-07 17:36 ` Frank Mayhar
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