linux-kernel - Re: [PATCH] x86-64: typo in __assign_irq_vector when updating pos for vector and offset

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Date:	Sun, 22 Oct 2006 10:52:16 +0200
From:	Muli Ben-Yehuda <muli@...ibm.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Yinghai Lu <yinghai.lu@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@...e.de>
Subject: Re: [PATCH] x86-64: typo in __assign_irq_vector when updating pos for vector and offset

On Sun, Oct 22, 2006 at 02:35:19AM -0600, Eric W. Biederman wrote:

> Ugh.  This is no fun at all.  I am assuming this is with cpu hotplug
> disabled in flat mode.

Correct.

> If my wild set of hypothesis are true the patch below might make those
> symptoms go away.  It isn't a real fix by any means but it is an
> easy test patch I can generate to generate these giant leaps 
> of deduction, I'm taking in the middle of the night :)

Yeap, this fixes it. Thanks to you and YL for the quick debugging!

May I suggest you CC me in the future on patches in this area and I'll
give them a quick spin before they hit mainline? less pain for
everyone involved :-)

Cheers,
Muli
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