From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Nick Piggin <npiggin@suse.de>,
Gregory Haskins <ghaskins@novell.com>,
mingo@elte.hu, srostedt@redhat.com, linux-kernel@vger.kernel.org,
linux-rt-users@vger.kernel.org, gregory.haskins@gmail.com,
ralf@linux-mips.org, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v2 3/6] sched: make double-lock-balance fair
Date: Wed, 27 Aug 2008 12:17:26 +0100 [thread overview]
Message-ID: <20080827111726.GA2914@flint.arm.linux.org.uk> (raw)
In-Reply-To: <1219835224.6462.81.camel@twins>
On Wed, Aug 27, 2008 at 01:07:04PM +0200, Peter Zijlstra wrote:
> On Wed, 2008-08-27 at 12:56 +0200, Nick Piggin wrote:
>
> > BTW. I wonder about other architectures that are of interest to -rt? Like
> > mips or arm perhaps... Any plans to implement ticket locks on those, or
> > do they not tend to be used in SMP configurations on -rt yte?
>
> I think both are starting to show more and more SMP machines, so yes,
> eventually we'll want ticket locks for them too.
>
> That said, I'm not aware of anyone working on it - I suppose we could
> poke the regular arch maintainers.. Ralf, Russell ?
I've no idea; SMP on ARM as far as I've been involved has been silent
for well over a year with very little visible interest from anyone.
That's situation normal for things that "just work" though.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
next prev parent reply other threads:[~2008-08-27 11:23 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-25 20:15 [PATCH 0/5] sched: misc rt fixes for tip/sched/devel Gregory Haskins
2008-08-25 20:15 ` [PATCH 1/5] sched: only try to push a task on wakeup if it is migratable Gregory Haskins
2008-08-25 20:15 ` [PATCH 2/5] sched: pull only one task during NEWIDLE balancing to limit critical section Gregory Haskins
2008-08-26 6:21 ` Nick Piggin
2008-08-26 11:36 ` Gregory Haskins
2008-08-27 6:41 ` Nick Piggin
2008-08-27 11:50 ` Gregory Haskins
2008-08-27 11:57 ` Nick Piggin
2008-08-25 20:15 ` [PATCH 3/5] sched: make double-lock-balance fair Gregory Haskins
2008-08-26 6:14 ` Nick Piggin
2008-08-26 12:23 ` Gregory Haskins
2008-08-27 6:36 ` Nick Piggin
2008-08-27 11:41 ` Gregory Haskins
2008-08-27 11:53 ` Nick Piggin
2008-08-27 12:10 ` Gregory Haskins
2008-08-25 20:15 ` [PATCH 4/5] sched: add sched_class->needs_post_schedule() member Gregory Haskins
2008-08-25 20:15 ` [PATCH 5/5] sched: create "pushable_tasks" list to limit pushing to one attempt Gregory Haskins
2008-08-26 17:34 ` [PATCH v2 0/6] Series short description Gregory Haskins
2008-08-26 17:34 ` [PATCH v2 1/6] sched: only try to push a task on wakeup if it is migratable Gregory Haskins
2008-08-26 17:34 ` [PATCH v2 2/6] sched: pull only one task during NEWIDLE balancing to limit critical section Gregory Haskins
2008-08-26 17:35 ` [PATCH v2 3/6] sched: make double-lock-balance fair Gregory Haskins
2008-08-27 8:21 ` Peter Zijlstra
2008-08-27 8:25 ` Peter Zijlstra
2008-08-27 10:26 ` Nick Piggin
2008-08-27 10:41 ` Peter Zijlstra
2008-08-27 10:56 ` Nick Piggin
2008-08-27 10:57 ` Nick Piggin
2008-08-27 12:03 ` Gregory Haskins
2008-08-27 11:07 ` Peter Zijlstra
2008-08-27 11:17 ` Russell King [this message]
2008-08-27 12:00 ` Gregory Haskins
2008-08-29 12:49 ` Ralf Baechle
2008-08-27 12:13 ` Gregory Haskins
2008-08-27 12:02 ` Gregory Haskins
2008-08-26 17:35 ` [PATCH v2 4/6] sched: add sched_class->needs_post_schedule() member Gregory Haskins
2008-08-26 17:35 ` [PATCH v2 5/6] plist: fix PLIST_NODE_INIT to work with debug enabled Gregory Haskins
2008-08-26 17:35 ` [PATCH v2 6/6] sched: create "pushable_tasks" list to limit pushing to one attempt Gregory Haskins
2008-08-29 13:24 ` Gregory Haskins
2008-08-26 18:16 ` [PATCH v2 0/6] sched: misc rt fixes for tip/sched/devel (was: Series short description) Gregory Haskins
2008-08-27 8:33 ` [PATCH v2 0/6] Series short description Peter Zijlstra
2008-09-04 12:54 ` [TIP/SCHED/DEVEL PATCH v3 0/6] sched: misc rt fixes Gregory Haskins
2008-09-04 12:55 ` [TIP/SCHED/DEVEL PATCH v3 1/6] sched: only try to push a task on wakeup if it is migratable Gregory Haskins
2008-09-04 12:55 ` [TIP/SCHED/DEVEL PATCH v3 2/6] sched: pull only one task during NEWIDLE balancing to limit critical section Gregory Haskins
2008-09-04 12:55 ` [TIP/SCHED/DEVEL PATCH v3 3/6] sched: make double-lock-balance fair Gregory Haskins
2008-09-04 12:55 ` [TIP/SCHED/DEVEL PATCH v3 4/6] sched: add sched_class->needs_post_schedule() member Gregory Haskins
2008-09-04 20:36 ` Steven Rostedt
2008-09-04 20:36 ` Gregory Haskins
2008-09-04 12:55 ` [TIP/SCHED/DEVEL PATCH v3 5/6] plist: fix PLIST_NODE_INIT to work with debug enabled Gregory Haskins
2008-09-04 12:55 ` [TIP/SCHED/DEVEL PATCH v3 6/6] sched: create "pushable_tasks" list to limit pushing to one attempt Gregory Haskins
2008-09-04 21:16 ` Steven Rostedt
2008-09-04 21:26 ` Gregory Haskins
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