Re: [PATCH] only irq-safe atomic ops

Roman Zippel
2002-02-23T21:57:34Z

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?

bye, Roman