Messages in this thread | | | Subject | Re: [PATCH] only irq-safe atomic ops | From | Robert Love <> | Date | 23 Feb 2002 18:13:06 -0500 |
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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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