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From: Peter Zijlstra <peterz@infradead.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH 1/5] sched: Convert thread_group_cputime() to use for_each_thread()
Date: Thu, 10 Apr 2014 22:55:11 +0200	[thread overview]
Message-ID: <20140410205511.GP10526@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20140410191525.GB13925@redhat.com>

On Thu, Apr 10, 2014 at 09:15:25PM +0200, Oleg Nesterov wrote:
> So far I can see only 2 users, __exit_signal() and complete_signal().

If that's it we could just open-code them and be done.

> May be next_tid(), but in fact it needs next_thread_or_zero(). And this
> connects to check_hung_task(). What they actually (OK, perhaps) need is
> for_each_thread_continue, like list_for_each_entry_continue_rcu.

That could work I suppose; brain has left the building already..

> We will see. I didn't finish this all because I was distracted (and lazy
> of course ;).

:-)

  reply	other threads:[~2014-04-10 20:55 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-09 16:11 [PATCH 0/5] core: Convert thread iteration to use for_each[_process]_thread APIs, 1st pile Frederic Weisbecker
2014-04-09 16:11 ` [PATCH 1/5] sched: Convert thread_group_cputime() to use for_each_thread() Frederic Weisbecker
2014-04-09 17:12   ` Oleg Nesterov
2014-04-09 17:16   ` Peter Zijlstra
2014-04-09 17:32     ` Oleg Nesterov
2014-04-09 18:30       ` Peter Zijlstra
2014-04-09 19:46         ` Oleg Nesterov
2014-04-09 19:49           ` Peter Zijlstra
2014-04-10 16:19             ` Peter Zijlstra
2014-04-10 16:32               ` Peter Zijlstra
2014-04-10 17:29               ` Oleg Nesterov
2014-04-10 17:36                 ` Peter Zijlstra
2014-04-10 17:42                   ` Peter Zijlstra
2014-04-10 19:15                   ` Oleg Nesterov
2014-04-10 20:55                     ` Peter Zijlstra [this message]
2014-04-10  7:56           ` Ingo Molnar
2014-04-09 16:11 ` [PATCH 2/5] tracepoint: Convert process iteration to use for_each_process_thread() Frederic Weisbecker
2014-04-09 16:28   ` Mathieu Desnoyers
2014-04-09 16:40     ` Frederic Weisbecker
2014-04-09 16:42     ` Steven Rostedt
2014-04-09 17:05       ` [PATCH 0/2] Was: " Oleg Nesterov
2014-04-09 17:05         ` [PATCH RESEND 1/2] tracing: syscall_*regfunc() can race with copy_process() Oleg Nesterov
2014-04-10 13:04           ` Steven Rostedt
2014-04-10 13:33             ` Oleg Nesterov
2014-04-10 13:06           ` Steven Rostedt
2014-04-10 13:34             ` Oleg Nesterov
2014-04-11 15:22               ` Steven Rostedt
2014-04-11 15:58                 ` Oleg Nesterov
2014-04-13 18:58                   ` [PATCH v2 0/3] tracing: syscall_*regfunc() fixes Oleg Nesterov
2014-04-13 18:58                     ` [PATCH v2 1/3] tracing: fix syscall_*regfunc() vs copy_process() race Oleg Nesterov
2014-04-14 23:57                       ` Frederic Weisbecker
2014-04-13 18:59                     ` [PATCH v2 2/3] tracing: change syscall_*regfunc() to check PF_KTHREAD and use for_each_process_thread() Oleg Nesterov
2014-04-13 18:59                     ` [PATCH v2 3/3] tracing: syscall_regfunc() should not skip kernel threads Oleg Nesterov
2014-04-14 23:46                     ` [PATCH v2 0/3] tracing: syscall_*regfunc() fixes Frederic Weisbecker
2014-06-18 14:23                     ` Steven Rostedt
2014-06-18 15:36                       ` Oleg Nesterov
2014-04-09 17:06         ` [PATCH RESEND 2/2] tracing: syscall_regfunc() should not skip kernel threads Oleg Nesterov
2014-04-10 13:28           ` Steven Rostedt
2014-04-10 13:38             ` Oleg Nesterov
2014-04-10 14:28               ` Steven Rostedt
2014-04-10 14:46                 ` Oleg Nesterov
2014-04-10 15:08                   ` Steven Rostedt
2014-04-10 17:57                     ` Oleg Nesterov
2014-04-10 18:14                       ` Oleg Nesterov
2014-04-10 19:00                         ` Oleg Nesterov
2014-04-10 19:13                         ` Steven Rostedt
2014-04-10 19:38                           ` Oleg Nesterov
2014-04-10 19:55                             ` Steven Rostedt
2014-04-11 12:03                               ` Oleg Nesterov
2014-04-11 12:37                                 ` Steven Rostedt
2014-04-10 13:03         ` [PATCH 0/2] Was: Convert process iteration to use for_each_process_thread() Steven Rostedt
2014-04-09 16:11 ` [PATCH 3/5] hung_task: " Frederic Weisbecker
2014-04-09 17:23   ` Oleg Nesterov
2014-04-09 16:11 ` [PATCH 4/5] procfs: Convert process iteration to use for_each_thread() Frederic Weisbecker
2014-04-09 16:11 ` [PATCH 5/5] sched: Convert tasks iteration to use for_each_process_thread() Frederic Weisbecker

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