Roman Zippel wrote:
>
> Hi,
>
> yodaiken@fsmlabs.com wrote:
>
> > Right. Without preemption it is safe to do
> > c = smp_get_cpuid();
> > ...
> > x = ++local_cache[c]
> > ..
> >
> > y = ++different_local_cache[c];
> > ..
>
> Just add:
> smp_put_cpuid();
>
> Is that so much worse?
>
ooh. me likee.
#define smp_get_cpuid() ({ preempt_disable(); smp_processor_id(); })
#define smp_put_cpuid() preempt_enable()
Does rml likee?
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This archive was generated by hypermail 2b29 : Sat Feb 23 2002 - 21:00:52 EST