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Re: [RFC/PATCH] cpuset: cpuset irq affinities

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From: Paul Menage <menage@...>
To: Paul Jackson <pj@...>
Cc: <a.p.zijlstra@...>, <maxk@...>, <mingo@...>, <tglx@...>, <oleg@...>, <rostedt@...>, <linux-kernel@...>, <rientjes@...>
Subject: Re: [RFC/PATCH] cpuset: cpuset irq affinities
Date: Tuesday, March 4, 2008 - 2:21 am

On Mon, Mar 3, 2008 at 10:15 PM, Paul Jackson <pj@sgi.com> wrote:

Except that this isn't currently possible if you're also trying to do
memory hardwalling on those cpusets, since then sibling cpusets can't
share memory nodes.

Having said that, this bit of the problem can be fixed without
splitting cpus/mems, by my other earlier proposal of adding a separate
"mem_hardwall" flag that can enable the hardwall behaviour without the
exclusive behaviour. (i.e. hardwall behaviour occurs if mem_exclusive
|| mem_hardwall)

Paul
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Messages in current thread:
[RFC/PATCH 0/4] CPUSET driven CPU isolation, Peter Zijlstra, (Wed Feb 27, 6:21 pm)
[RFC/PATCH] cpuset: cpuset irq affinities, Peter Zijlstra, (Fri Feb 29, 2:55 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Christoph Hellwig, (Sun Mar 2, 1:18 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Fri Feb 29, 4:55 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Peter Zijlstra, (Fri Feb 29, 5:14 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Fri Feb 29, 5:53 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Max Krasnyanskiy, (Fri Feb 29, 5:42 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Fri Feb 29, 6:00 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Ingo Molnar, (Fri Feb 29, 5:32 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Ingo Molnar, (Fri Feb 29, 5:29 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Ingo Molnar, (Fri Feb 29, 3:02 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Max Krasnyanskiy, (Fri Feb 29, 4:52 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Peter Zijlstra, (Fri Feb 29, 5:03 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Max Krasnyanskiy, (Fri Feb 29, 5:20 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Peter Zijlstra, (Mon Mar 3, 7:57 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Mon Mar 3, 1:36 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Peter Zijlstra, (Mon Mar 3, 1:57 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Mon Mar 3, 2:10 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Menage, (Mon Mar 3, 2:41 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Mon Mar 3, 2:52 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Menage, (Tue Mar 4, 1:26 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Tue Mar 4, 2:15 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Menage, (Tue Mar 4, 2:21 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Tue Mar 4, 2:26 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Menage, (Tue Mar 4, 2:34 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Tue Mar 4, 2:51 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Peter Zijlstra, (Mon Mar 3, 2:18 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Tue Mar 4, 3:35 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Peter Zijlstra, (Tue Mar 4, 7:06 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Max Krasnyanskiy, (Tue Mar 4, 3:52 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Tue Mar 4, 9:11 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Peter Zijlstra, (Wed Mar 5, 4:37 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Thu Mar 6, 9:47 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Peter Zijlstra, (Thu Mar 6, 11:21 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Thu Mar 6, 11:40 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Fri Mar 7, 2:39 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Menage, (Fri Mar 7, 4:47 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Fri Mar 7, 10:57 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Max Krasnyansky, (Wed Mar 5, 3:17 pm)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Ingo Molnar, (Wed Mar 5, 4:50 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Wed Mar 5, 8:35 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Ingo Molnar, (Wed Mar 5, 8:43 am)
Re: [RFC/PATCH] cpuset: cpuset irq affinities, Paul Jackson, (Wed Mar 5, 1:44 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Mark Hounschell, (Thu Feb 28, 8:12 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Max Krasnyansky, (Thu Feb 28, 3:57 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Ingo Molnar, (Thu Feb 28, 3:50 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Andrew Morton, (Fri Feb 29, 4:31 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Ingo Molnar, (Fri Feb 29, 5:10 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Max Krasnyanskiy, (Fri Feb 29, 2:06 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Andrew Morton, (Fri Feb 29, 4:36 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Max Krasnyanskiy, (Thu Feb 28, 1:48 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Thu Feb 28, 4:08 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Ingo Molnar, (Thu Feb 28, 5:08 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Max Krasnyansky, (Thu Feb 28, 4:23 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Thu Feb 28, 5:17 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Ingo Molnar, (Thu Feb 28, 6:46 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Max Krasnyansky, (Thu Feb 28, 4:11 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Thu Feb 28, 4:13 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Max Krasnyansky, (Thu Feb 28, 4:26 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Thu Feb 28, 4:27 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Max Krasnyansky, (Thu Feb 28, 4:45 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Thu Feb 28, 1:47 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, David Rientjes, (Thu Feb 28, 5:32 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, David Rientjes, (Thu Feb 28, 6:12 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Thu Feb 28, 1:37 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, David Rientjes, (Thu Feb 28, 5:24 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Thu Feb 28, 6:46 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, David Rientjes, (Thu Feb 28, 7:00 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Thu Feb 28, 8:16 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, David Rientjes, (Thu Feb 28, 9:05 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Thu Feb 28, 11:34 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, David Rientjes, (Fri Feb 29, 12:00 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Paul Jackson, (Fri Feb 29, 2:53 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Peter Zijlstra, (Thu Feb 28, 6:26 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Max Krasnyanskiy, (Wed Feb 27, 7:38 pm)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Peter Zijlstra, (Thu Feb 28, 6:19 am)
Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation, Max Krasnyanskiy, (Thu Feb 28, 1:33 pm)