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Subject: Re: [PATCH] only irq-safe atomic ops
From: Robert Love <rml@tech9.net>
To: Andrew Morton <akpm@zip.com.au>
Cc: Roman Zippel <zippel@linux-m68k.org>, linux-kernel@vger.kernel.org
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On Sat, 2002-02-23 at 17:10, Andrew Morton wrote:

> ooh.  me likee.
> 
> #define smp_get_cpuid() ({ preempt_disable(); smp_processor_id(); })
> #define smp_put_cpuid() preempt_enable()
> 
> Does rml likee?

Yah, that works.

All we need to do is wrap the smp_processor_id references (however many
- it does not matter) in preempt_disable ... preempt_enable.  This does
that cleanly.

	Robert Love

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