linux-kernel - Re: cpu softplug kernel hang

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Message-ID: <4C362B49.4060005@redhat.com>
Date:	Thu, 08 Jul 2010 15:47:21 -0400
From:	Prarit Bhargava <prarit@...hat.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	jens.axboe@...cle.com, the arch/x86 maintainers <x86@...nel.org>,
	Don Zickus <dzickus@...hat.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>
Subject: Re: cpu softplug kernel hang


> I'm planning on fixing this by rewriting this code and using stop_machine_run()
> to synchronize the cpus instead of doing it in the ipi_handler.  
>
> Unless, of course, someone has a better suggestion.
>
>   

Heh ... stop_machine() isn't going to work because of the scheduling
restriction :/

> P.
>
>
>
>
>   
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