From: Tejun Heo <tj@kernel.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Fr??d??ric Weisbecker <fweisbec@gmail.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
Mike Galbraith <efault@gmx.de>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 1/4 tip/sched/core] sched: rename preempt_notifier to sched_notifier and always enable it
Date: Fri, 27 Nov 2009 15:16:09 +0900 [thread overview]
Message-ID: <4B0F6EA9.6070105@kernel.org> (raw)
In-Reply-To: <20091127061319.GA8620@elte.hu>
11/27/2009 03:13 PM, Ingo Molnar wrote:
>>> My position on this is rather clear: i want no new callbacks and no
>>> changes to callbacks in the scheduler until this situation is cleaned
>>> up. Five callback sites are _way_ too much - so if you want to add
>>> callbacks or change them, please clean it up and improve it first.
>>
>> Even changes which cause no functional differences? [...]
>
> Such as enabling preempt notifiers unconditionally? That's a functional
> change - it turns a so-far optional callback into an essentially
> mandatory one.
No, I'm not gonna do that. Just patches to reorganize code so that
unnecessary conflicts won't occur. There will be NO functional
changes.
--
tejun
next prev parent reply other threads:[~2009-11-27 6:16 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-26 8:00 linux-next: manual merge of the workqueues tree with the tip tree Stephen Rothwell
2009-11-26 8:12 ` Ingo Molnar
2009-11-26 9:15 ` Tejun Heo
2009-11-26 9:26 ` Ingo Molnar
2009-11-26 9:48 ` Tejun Heo
2009-11-26 9:51 ` Ingo Molnar
2009-11-26 10:11 ` [PATCH 1/4 tip/sched/core] sched: rename preempt_notifier to sched_notifier and always enable it Tejun Heo
2009-11-26 10:29 ` Ingo Molnar
2009-11-26 10:32 ` Peter Zijlstra
2009-11-26 11:23 ` Peter Zijlstra
2009-11-26 11:56 ` Ingo Molnar
2009-11-26 12:40 ` Peter Zijlstra
2009-11-27 2:11 ` Tejun Heo
2009-11-27 4:52 ` Ingo Molnar
2009-11-27 5:38 ` Tejun Heo
2009-11-27 5:46 ` Ingo Molnar
2009-11-27 6:01 ` Tejun Heo
2009-11-27 6:13 ` Ingo Molnar
2009-11-27 6:16 ` Tejun Heo [this message]
2009-11-27 6:21 ` Ingo Molnar
2009-11-27 6:38 ` Tejun Heo
2009-11-27 7:02 ` Ingo Molnar
2009-11-26 10:44 ` Tejun Heo
2009-11-27 3:33 ` Paul Mackerras
2009-11-27 4:54 ` Ingo Molnar
2009-11-26 10:13 ` [PATCH 2/4 tip/sched/core] sched: update sched_notifier and add wakeup/sleep notifications Tejun Heo
2009-11-26 10:13 ` [PATCH 3/4 tip/sched/core] sched: refactor try_to_wake_up() and implement try_to_wake_up_local() Tejun Heo
2009-11-26 10:14 ` [PATCH 4/4 tip/sched/core] sched: implement force_cpus_allowed() Tejun Heo
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