linux-kernel - Re: [PATCH] irq: mask irq before move it

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Date:	Mon, 30 Mar 2009 18:53:45 -0700
From:	Chris Leech <christopher.leech@...el.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] irq: mask irq before move it

On Mon, Mar 30, 2009 at 3:56 PM, Chris Leech
<christopher.leech@...el.com> wrote:
> On Mon, Mar 30, 2009 at 03:25:07PM -0700, Yinghai Lu wrote:
>> On Mon, Mar 30, 2009 at 3:10 PM, Chris Leech
>> <christopher.leech@...el.com> wrote:
>> > On Fri, Mar 27, 2009 at 09:43:01PM -0700, Yinghai Lu wrote:
>> >>
>> >> Imapct: fix panic
>> >>
>> >> try to mask the irq, before move the irq desc
>> >>
>> >> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
>> >
>> > This change did not fix the issue I'm seeing.  The following output was
>> > generated with 2.6.29 + this patch.
>> >
>> > I will send system information and kernel config separately.
>>
>> in your /proc/interrupts
>>
>>  57:          0          0          0          0          0          0
>>          0          0   PCI-MSI-edge      aerdrv, pciehp
>>
>> how can that be shared?
>
> I don't know, I'm not really up on how drivers that deal with
> PCI-Express switch ports work.  I'd be happy to test again with both
> advances error reporting and hotplug removed from my configuration.

Removing AER and PCI hotplug did not change anything.  There were no
shared MSI interrupts showing in that case.

- Chris
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