linux-kernel - Re: [PATCH] x86/irq: using move_irq

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Date:	Wed, 29 Apr 2009 14:55:16 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/irq: using move_irq_desc

Ingo Molnar wrote:
> * Ingo Molnar <mingo@...e.hu> wrote:
> 
>> * Yinghai Lu <yinghai@...nel.org> wrote:
>>
>>> move_irq_desc will try to move irq_desc to node wanted if allocated one is not correct.
>>> (happen on device on different nodes that are using MSI, drivers are loaded and unloaded
>>> randomly)
>>>
>>> [ Impact: make irq_desc go with device on node ]
>>>
>>> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
>>>
>>> ---
>>>  arch/x86/kernel/apic/io_apic.c |    6 +-----
>>>  include/linux/irq.h            |    4 ++++
>>>  2 files changed, 5 insertions(+), 5 deletions(-)
>> applied, thanks. I'll look into merging it into the irq tree 
>> tomorrow and testing it.
> 
> gave it a brief try and got:
> 
> kernel/irq/numa_migrate.c: In function ‘init_copy_one_irq_desc’:
> kernel/irq/numa_migrate.c:46: error: ‘struct irq_desc’ has no member named ‘node’
> kernel/irq/numa_migrate.c: In function ‘move_irq_desc’:
> kernel/irq/numa_migrate.c:114: error: ‘struct irq_desc’ has no member named ‘node’
> kernel/irq/numa_migrate.c:114: error: ‘struct irq_desc’ has no member named ‘node’
> kernel/irq/numa_migrate.c:114: error: ‘struct irq_desc’ has no member named ‘node’
> 

.config?

YH
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