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Re: [Xen-devel] Atomic operations



On 26/03/2009 07:34, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxxxxxxx>
wrote:

> Keir Fraser wrote:
>> The Linux atomic.h operations will be atomic even across domains.
> 
> ... unless CONFIG_SMP was not defined in the domU kernel build.

Yes, good point. Actually I assumed the OP was copying atomic.h for his own
use, but he probably isn't actually. And either way the CONFIG_SMP ifdef'ery
could bite.

 -- Keir




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