linux-kernel - Re: [PATCH net-next] genirq: Eliminate explicit dependency between IRQ affinity notifiers and CONFIG

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Message-ID: <alpine.DEB.2.02.1405230717310.8522@ionos.tec.linutronix.de>
Date:	Fri, 23 May 2014 07:21:02 +0900 (JST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	David Miller <davem@...emloft.net>
cc:	amirv@...lanox.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, bhutchings@...arflare.com,
	yevgenyp@...lanox.com, ogerlitz@...lanox.com, eyalpe@...lanox.com
Subject: Re: [PATCH net-next] genirq: Eliminate explicit dependency between
 IRQ affinity notifiers and CONFIG_SMP

On Thu, 22 May 2014, David Miller wrote:

> From: Amir Vadai <amirv@...lanox.com>
> Date: Tue, 20 May 2014 17:57:00 +0300
> 
> > From: Eyal Perry <eyalpe@...lanox.com>
> > 
> > Instead of requiring each consumer of the IRQ affinity notifier to have
> > themselves be explicitly dependent on CONFIG_SMP, make the definition of
> > struct irq_affinity_notify to exist independently of that config option
> > and introduce a stub for irq_set_affinity_notifier() under non SMP
> > configuration.
> > 
> > Fixes: 2eacc23 ("net/mlx4_core: Enforce irq affinity changes
> > immediatly")
> > 
> > Signed-off-by: Eyal Perry <eyalpe@...lanox.com>
> > Signed-off-by: Amir Vadai <amirv@...lanox.com>
> 
> IRQ layer folks please review and push upstream if there aren't any
> problems.

It's queued for 3.16 in irq/core and also available for you as a
single commit to merge into your next tree at:

 git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/for-net

if you want to carry it along for testing.

Thanks,

	tglx
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