From mboxrd@z Thu Jan  1 00:00:00 1970
From: rostedt@goodmis.org (Steven Rostedt)
Date: Mon, 18 Feb 2013 10:30:22 -0500
Subject: [PATCH v5 00/45] CPU hotplug: stop_machine()-free CPU hotplug
In-Reply-To: <CAKfTPtA1aTseD6Gntkf_zbCEbfZzt3P2-P1un6iF5_1TdVLjRQ@mail.gmail.com>
References: <20130122073210.13822.50434.stgit@srivatsabhat.in.ibm.com>
 <510FBC01.2030405@linux.vnet.ibm.com> <87haloiwv0.fsf@rustcorp.com.au>
 <51134596.4080106@linux.vnet.ibm.com>
 <20130208154113.GV17833@n2100.arm.linux.org.uk>
 <51152B81.2050501@linux.vnet.ibm.com> <51153F72.1060005@linux.vnet.ibm.com>
 <CAKfTPtCe+cD7LLkb+D6pqG1SwG2V08ws=4XO3ttHEHV2qgmqPg@mail.gmail.com>
 <5118E2CD.90401@linux.vnet.ibm.com>
 <20130211190852.GA5695@linux.vnet.ibm.com>
 <5119BDFD.1000909@linux.vnet.ibm.com>
 <CAKfTPtAo2hQTfBKTVUuLKgsGJ2ZLD0UTR3fH9UFuJwyFt4n__w@mail.gmail.com>
 <511E8F3C.2010406@linux.vnet.ibm.com>
 <CAKfTPtD=2jn1AVjuhVP1ot7_8x9-W4==hNGZET5N9tRE7gtyMw@mail.gmail.com>
 <512203B3.7090002@linux.vnet.ibm.com> <512207A6.4000402@linux.vnet.ibm.com>
 <CAKfTPtA1aTseD6Gntkf_zbCEbfZzt3P2-P1un6iF5_1TdVLjRQ@mail.gmail.com>
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To: linux-arm-kernel@lists.infradead.org
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On Mon, 2013-02-18 at 11:58 +0100, Vincent Guittot wrote:

> My tests have been done without cpuidle because i have some issues
> with function tracer and cpuidle
> 
> But the cpu hotplug and cpuidle work well when I run the tests without
> enabling the function tracer
> 

I know suspend and resume has issues with function tracing (because it
makes things like calling smp_processor_id() crash the system), but I'm
unaware of issues with hotplug itself. Could be some of the same issues.

Can you give me more details, I'll try to investigate it.

Thanks,

-- Steve