linux-kernel - Re: [PATCH]cpuset: add new API to change cpuset top group's cpus

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Message-Id: <1242734478.26820.502.camel@twins>
Date:	Tue, 19 May 2009 14:01:18 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Shaohua Li <shaohua.li@...el.com>, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, lenb@...nel.org, menage@...gle.com
Subject: Re: [PATCH]cpuset: add new API to change cpuset top group's cpus

On Tue, 2009-05-19 at 13:27 +0200, Andi Kleen wrote:
> Peter Zijlstra <peterz@...radead.org> writes:
> >
> > Furthermore, I object to being able to remove online cpus from the top
> > cpuset, that just doesn't make sense.
> 
> Note you can already do it at boot time with isolated_cpus=...
> So your objection seems to be a few years too late.
> 
> Shaohua's patch just makes it work at runtime too.

No it doesn't. And isolcpus should die.
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