Re: [SMP lock BUG?] Re: Feedback on preemptible kernel patch

Manfred Spraul (manfred@colorfullife.com)
Tue, 18 Sep 2001 00:40:51 +0200

>
> is it legal to kmap_atomic(a,b); kmap_atomic(c,d); kunmap_atomic(a,b);
?
>
Yes, that's legal - just think about one kmap_atomic from process
context, and another one in irq context.

> If so, your patch may need some ounting....
> Pavel

I hope ctx_sw_off does internal counting, correct?

--
    Manfred


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