linux-kernel - Re: [RFC 0/2] cpu: fix leak and udev race in register

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Date:	Tue, 14 May 2013 10:45:40 -0400
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Igor Mammedov <imammedo@...hat.com>
Cc:	linux-kernel@...r.kernel.org, konrad.wilk@...cle.com,
	chuck.anderson@...cle.com
Subject: Re: [RFC 0/2] cpu: fix leak and udev race in register_cpu()

On Tue, May 14, 2013 at 12:05:30AM +0200, Igor Mammedov wrote:
> Here is a crude attempt fix race the way suggested by Greg,
> probably done wrong but hopefully in the right direction.
> 
> 1. move "crash_notes" to static attributes to guarantee that it's
> destroyed with CPU on unregister.
> 
> 2. fixes race between hotplugged CPU and onlining it via udev, described here
> https://lkml.org/lkml/2012/4/30/193

Looks right to me, nice job.

greg k-h
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