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Message-ID: <20080827111726.GA2914@flint.arm.linux.org.uk>
Date: Wed, 27 Aug 2008 12:17:26 +0100
From: Russell King <rmk+lkml@....linux.org.uk>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Nick Piggin <npiggin@...e.de>,
Gregory Haskins <ghaskins@...ell.com>, mingo@...e.hu,
srostedt@...hat.com, linux-kernel@...r.kernel.org,
linux-rt-users@...r.kernel.org, gregory.haskins@...il.com,
ralf@...ux-mips.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v2 3/6] sched: make double-lock-balance fair
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:
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