Re: lock_kernel() & kmalloc - evil together?

From: Linus Torvalds (torvalds@transmeta.com)
Date: Fri Aug 11 2000 - 13:40:36 EST


On Fri, 11 Aug 2000, Jeff V. Merkey wrote:
>
> Is there a counter of some type in Linux I could check to detect this
> easily?

It's called

        in_interrupt()

in Linux - it's not a single counter, as hard interrupts and soft
interrupts are counted separately, but it gives you the information you
want (whether you're in an interrupt or not).

                Linus

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