linux-kernel - Re: [PATCH 1/5] smp: Introduce a generic on_each_cpu

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Message-ID: <1316950672.3641.3.camel@lappy>
Date:	Sun, 25 Sep 2011 14:37:52 +0300
From:	Sasha Levin <levinsasha928@...il.com>
To:	Gilad Ben-Yossef <gilad@...yossef.com>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Chris Metcalf <cmetcalf@...era.com>, linux-mm@...ck.org,
	Christoph Lameter <cl@...ux-foundation.org>,
	Pekka Enberg <penberg@...nel.org>,
	Matt Mackall <mpm@...enic.com>
Subject: Re: [PATCH 1/5] smp: Introduce a generic on_each_cpu_mask function

On Sun, 2011-09-25 at 11:54 +0300, Gilad Ben-Yossef wrote:
> +#define on_each_cpu_mask(mask, func, info, wait) \
> +       if (cpumask_test_cpu(0, (mask))) {      \
> +               local_irq_disable();            \
> +               func(info);                     \
		  (func)(info);
> +               local_irq_enable();             \
> +       }
> + 

Maybe it's worth changing it to be so in case someone passes a func ptr
such as 'ptr[0] + 3'.

-- 

Sasha.

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