linux-kernel - Re: [PATCH 1/2] show isolated cpus in sysfs

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Message-ID: <553AB404.7080600@redhat.com>
Date:	Fri, 24 Apr 2015 17:22:12 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>
CC:	linux-kernel@...r.kernel.org, tj@...nel.org,
	umgwanakikbuti@...il.com, lizefan@...wei.com,
	gregkh@...uxfoundation.org
Subject: Re: [PATCH 1/2] show isolated cpus in sysfs

On 04/24/2015 05:11 PM, Frederic Weisbecker wrote:
> On Fri, Apr 24, 2015 at 03:24:27PM -0400, riel@...hat.com wrote:
>> From: Rik van Riel <riel@...hat.com>
>>
>> After system bootup, there is no totally reliable way to see
>> which CPUs are isolated, because the kernel may modify the
>> CPUs specified on the isolcpus= kernel command line option.
>>
>> Export the CPU list that actually got isolated in sysfs,
>> specifically in the file /sys/devices/system/cpu/isolated
>>
>> This can be used by system management tools like libvirt,
>> openstack, and others to ensure proper placement of tasks.
>>
>> Suggested-by: Li Zefan <lizefan@...wei.com>
>> Signed-off-by: Rik van Riel <riel@...hat.com>
> 
> This patch should go through Peterz.

Oh, fun. That's what I get for getting the get_maintainer.pl
script, which told me to go through Greg KH instead :)

$ ./scripts/get_maintainer.pl -f drivers/base/cpu.c
Greg Kroah-Hartman <gregkh@...uxfoundation.org> (supporter:DRIVER CORE,
KOBJ...)
linux-kernel@...r.kernel.org (open list)

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