On Mon, 9 Oct 2000, 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
You can also still do the stack pointer plaything by just using
indirection: and when you context switch you switch the pointer around at
the base of the per-cpu interrupt stack.
Linus
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