linux-kernel - Re: [PATCH] x86: keep chip_data in create_irq

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Date:	Fri, 05 Feb 2010 13:42:49 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Brandon Philips <bphilips@...e.de>
CC:	Yinghai Lu <yinghai@...nel.org>, Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: keep chip_data in create_irq_nr

On 02/05/2010 01:05 PM, Brandon Philips wrote:
>>  
>> Index: linux-2.6/include/linux/irq.h
>> ===================================================================
>> --- linux-2.6.orig/include/linux/irq.h
>> +++ linux-2.6/include/linux/irq.h
>> @@ -400,6 +400,7 @@ static inline int irq_has_action(unsigne
>>  
>>  /* Dynamic irq helper functions */
>>  extern void dynamic_irq_init(unsigned int irq);
>> +void dynamic_irq_init_keep_chip_data(unsigned int irq);
>>  extern void dynamic_irq_cleanup(unsigned int irq);
> 
> Missing extern?
> 

Quite the opposite -- function prototypes don't need "extern", and
putting "extern" on them is generally considered bad style.

	-hpa
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