linux-kernel - Re: [PATCH] pciehp: Handle interrupts that happen during initialization.

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Date:	Tue, 24 Feb 2009 09:08:39 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pciehp:  Handle interrupts that happen during initialization.

On Monday, February 23, 2009 3:08:44 am Eric W. Biederman wrote:
> Kenji Kaneshige <kaneshige.kenji@...fujitsu.com> writes:
> > Ok, I understood what is happening. Could you try the following patch?
> > It is currently in Jesse's linux-next.
> >
> > http://marc.info/?l=linux-pci&m=123364118418484&w=2
> >
> > BTW, I don't think surprise removal is well tested.
>
> That patch should guarantee that we don't loop forever, and if we are
> going to loop that looks like a reasonable way to handle it.
>
> When I start working on what is the most maintainable way to implement
> merge my hotplug driver work I will come back and test this.
>
> At the moment it appears that it will at least suffer from detecting a
> presence change event with a device showing up.  Before pci structure
> for the device is removed.  I seem to recall some dead locks on the
> pciehp work queue hotunplugging a hotplug driver as well.

Ah looks like Kenji-san wants this one pushed; so unless I hear otherwise I'll 
queue it up in my for-linus branch for Linus to pull tomorrow or so.

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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