Re: Calling current() from interrupt context

From: Andi Kleen (
Date: Mon Oct 09 2000 - 17:36:35 EST

On Mon, Oct 09, 2000 at 11:30:50PM +0100, Alan Cox wrote:
> > I think I'll go for the 'current is in a well-known register'
> > approach and see how this goes...
> Failing that the 2.0 approach will work, current is a global in uniprocessor
> and a #define to an array indexed by cpu id in smp

The problem is where to get the cpuid from (see how smp_processor_id
is currently defined ;) When you don't have a hidden register in the
CPU you're screwed.
[x86-64 has one btw]

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