From: Max Krasnyanskiy <maxk@qualcomm.com>
To: Paul Jackson <pj@sgi.com>
Cc: mingo@elte.hu, a.p.zijlstra@chello.nl,
linux-kernel@vger.kernel.org, menage@google.com,
rostedt@goodmis.org
Subject: Re: [PATCH] [sched] Give cpusets exclusive control over sched domains (ie remove cpu_isolated_map)
Date: Thu, 29 May 2008 09:36:00 -0700 [thread overview]
Message-ID: <483EDB70.2080708@qualcomm.com> (raw)
In-Reply-To: <20080529003019.985de0ab.pj@sgi.com>
Paul Jackson wrote:
> Max wrote:
>> -marked isolated using the kernel boot time "isolcpus=" argument.
>
> Yeah ... a hack ... but I suspect some folks use it.
>
> I'm reluctant to discard features visible to users, unless
> they are getting in the way of more serious stuff.
>
> I'd have figured that this hack was not all that much of
> a pain to the kernel code.
>
I bet it will be tempting to extend it for other uses. Just like it was for me
:). It looks just like another cpu_*map and stuff.
We could emulate isolcpu= boot option (the only visible user interface) via
cpusets I suppose. But I'd rather not.
Since we do not plan on supporting it I'd say lets get rid of it.
Max
next prev parent reply other threads:[~2008-05-29 16:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-27 22:06 [PATCH] [sched] Move cpu masks from kernel/sched.c into kernel/cpu.c Max Krasnyansky
2008-05-27 22:06 ` [PATCH] [sched] Fixed CPU hotplug and sched domain handling Max Krasnyansky
2008-05-27 22:06 ` [PATCH] [sched] Give cpusets exclusive control over sched domains (ie remove cpu_isolated_map) Max Krasnyansky
2008-05-29 5:30 ` Paul Jackson
2008-05-29 16:36 ` Max Krasnyanskiy [this message]
2008-05-27 22:31 ` [PATCH] [sched] Fixed CPU hotplug and sched domain handling Max Krasnyanskiy
2008-05-29 4:40 ` [PATCH] [sched] Move cpu masks from kernel/sched.c into kernel/cpu.c Paul Jackson
2008-05-29 16:30 ` Max Krasnyanskiy
-- strict thread matches above, loose matches on Subject: below --
2008-05-29 18:17 [PATCH] sched: CPU hotplug events must not destroy scheduler domains created by the cpusets Max Krasnyansky
2008-05-29 18:17 ` [PATCH] sched: Move cpu masks from kernel/sched.c into kernel/cpu.c Max Krasnyansky
2008-05-29 18:17 ` [PATCH] sched: Give cpusets exclusive control over sched domains (ie remove cpu_isolated_map) Max Krasnyansky
2008-05-29 22:37 ` Paul Jackson
2008-05-29 22:59 ` Max Krasnyanskiy
2008-05-30 0:12 ` Paul Jackson
2008-05-30 4:24 ` Max Krasnyansky
2008-05-30 6:52 ` Paul Jackson
2008-05-31 19:12 ` Max Krasnyansky
2008-06-01 9:21 ` Peter Zijlstra
2008-06-02 2:39 ` Paul Jackson
2008-06-02 2:35 ` Paul Jackson
2008-06-04 0:49 ` Paul Jackson
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