From: Robin Holt <holt@sgi.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: holt@sgi.com, linux-kernel@vger.kernel.org,
linux-ia64@vger.kernel.org, ptesarik@suse.cz, tee@sgi.com,
peterz@infradead.org, mingo@elte.hu, linux-arch@vger.kernel.org
Subject: Re: [Patch V3 0/3] Enable irqs when waiting for rwlocks
Date: Wed, 3 Dec 2008 05:37:44 -0600 [thread overview]
Message-ID: <20081203113744.GE8970@sgi.com> (raw)
In-Reply-To: <20081202161311.ae3376cb.akpm@linux-foundation.org>
> It's a bit regrettable to have different architectures behaving in
> different ways. It would be interesting to toss an x86_64
> implementation into the grinder, see if it causes any problems, see if
> it produces any tangible benefits. Then other architectures might
> follow. Or not, depending on the results ;)
I personally expect SGI to work on this for x86_64 in the future.
Once we actually start testing systems with 128 and above cpus, I
would expect to see these performance issues needing to be addressed.
Until then, it is just a theoretical.
Thank you for your help,
Robin Holt
next prev parent reply other threads:[~2008-12-03 11:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20081104122405.046233722@attica.americas.sgi.com>
2008-12-03 0:13 ` [Patch V3 0/3] Enable irqs when waiting for rwlocks Andrew Morton
2008-12-03 0:13 ` Andrew Morton
2008-12-03 11:37 ` Robin Holt [this message]
2008-12-03 12:25 ` Peter Zijlstra
2008-12-03 12:36 ` Petr Tesarik
2008-12-03 12:36 ` Petr Tesarik
2008-12-03 12:44 ` Peter Zijlstra
2008-12-03 12:44 ` Peter Zijlstra
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