linux-kernel - Re: [RFC PATCH v3 1/3] genirq: introduce CONFIG_GENERIC_IRQ

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Message-ID: <55F94D80.2070304@huawei.com>
Date:	Wed, 16 Sep 2015 19:07:44 +0800
From:	Yang Yingliang <yangyingliang@...wei.com>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Mark Rutland <mark.rutland@....com>,
	Will Deacon <will.deacon@....com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Hanjun Guo <hanjun.guo@...aro.org>
Subject: Re: [RFC PATCH v3 1/3] genirq: introduce CONFIG_GENERIC_IRQ_MIGRATION



On 2015/9/16 16:13, Thomas Gleixner wrote:
> On Wed, 16 Sep 2015, Yang Yingliang wrote:
>> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
>> index 78c0621..4133070 100644
>> --- a/arch/arc/Kconfig
>> +++ b/arch/arc/Kconfig
>> @@ -20,6 +20,7 @@ config ARC
>>   	# for now, we don't need GENERIC_IRQ_PROBE, CONFIG_GENERIC_IRQ_CHIP
>>   	select GENERIC_IRQ_SHOW
>>   	select GENERIC_PENDING_IRQ if SMP
>> +	select GENERIC_IRQ_MIGRATION if SMP
>
> What's the point of this?
>
>> --- a/kernel/irq/Kconfig
>> +++ b/kernel/irq/Kconfig
>> @@ -30,6 +30,10 @@ config GENERIC_IRQ_LEGACY_ALLOC_HWIRQ
>>   config GENERIC_PENDING_IRQ
>>   	bool
>
> +	select GENERIC_IRQ_MIGRATION
>
> Will do it automatically without touching any of the arch Kconfig
> files.

Your way is better, I will use this method.

Thanks,
Yang
>
> Thanks,
>
> 	tglx
>
> .
>

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