linux-kernel - Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation

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Message-ID: <47C718DE.9020107@qualcomm.com>
Date:	Thu, 28 Feb 2008 12:26:06 -0800
From:	Max Krasnyansky <maxk@...lcomm.com>
To:	Paul Jackson <pj@....com>
CC:	mingo@...e.hu, a.p.zijlstra@...llo.nl, tglx@...utronix.de,
	oleg@...sign.ru, rostedt@...dmis.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation



Paul Jackson wrote:
> Max K wrote:
>> I like the concept of the "boot" set. But we still need a separate "system"
>> flag. Users should not have to move cpu back into the "boot" set to allow for
>> kernel (irqs, etc) activity on it. And it's just more explicit and clear that way.
> 
> Good point -- a "boot" cpuset might be 4 CPUs out of 256 CPUs, just for running
> the classic Unix load (daemons, init, login, ...).  But irq's might need to go
> to most CPUs, except for some (dare I use the word) isolated CPUs.
> 

btw Can you send me those init scripts that you mentioned. ie Those that
create "boot" set from userspace.

Max
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