From: Matthew Wilcox <matthew@wil.cx>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Matt Mackall <mpm@selenic.com>,
Anton Vorontsov <avorontsov@ru.mvista.com>,
Andrew Morton <akpm@linux-foundation.org>,
oleg@redhat.com, mingo@elte.hu, tony.luck@intel.com,
rth@twiddle.net, geert@linux-m68k.org
Subject: Re: [PATCH 1/2] sched: INIT_PREEMPT_COUNT
Date: Sat, 11 Jul 2009 04:15:54 -0600 [thread overview]
Message-ID: <20090711101554.GA24310@parisc-linux.org> (raw)
In-Reply-To: <20090710130125.037018244@chello.nl>
On Fri, Jul 10, 2009 at 02:57:56PM +0200, Peter Zijlstra wrote:
> Pull the initial preempt_count value into a single
> definition site.
>
> Maintainers for: alpha, ia64 and m68k, please have a look,
> your arch code is funny.
Goodness. I remember sending patches to fix the initial value of
preempt_count on these architectures about four-five years ago.
Guess they were ignored. It just shows that we need to keep pulling
stuff out of arch/.
--
Matthew Wilcox Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
next prev parent reply other threads:[~2009-07-11 10:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-10 12:57 [PATCH 0/2] cond_resched() optimization Peter Zijlstra
2009-07-10 12:57 ` [PATCH 1/2] sched: INIT_PREEMPT_COUNT Peter Zijlstra
2009-07-10 15:42 ` Valdis.Kletnieks
2009-07-10 15:51 ` Peter Zijlstra
2009-07-10 20:24 ` Valdis.Kletnieks
2009-07-10 21:18 ` Bjorn Helgaas
2009-07-11 9:32 ` Peter Zijlstra
2009-07-11 10:15 ` Matthew Wilcox [this message]
2009-07-10 12:57 ` [PATCH 2/2] sched: optimize cond_resched() Peter Zijlstra
2009-07-10 17:12 ` Matt Mackall
2009-07-10 22:34 ` [PATCH 0/2] cond_resched() optimization Anton Vorontsov
2009-07-11 11:28 ` -tip: ACPICA: Do not schedule during early init Ingo Molnar
2009-07-11 11:28 ` Ingo Molnar
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