Re: [PATCH] only irq-safe atomic ops

From: Roman Zippel (zippel@linux-m68k.org)
Date: Sat Feb 23 2002 - 16:57:11 EST


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
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