Re: [git pull] scheduler fixes

Peter Zijlstra
2009-01-31T18:09:07Z

On Sat, 2009-01-31 at 20:49 +0300, Alexey Zaytsev wrote:
>
> And answering an earlier question, this happens only on i386 and only
> with 4K stacks because x86_64 dosn't have a separate softirq stack,
> so the preempt count diring the soft irq is at least IRQ_EXIT_OFFSET.

What do the other 30 odd architectures that Linux supports do? Is i386
4k really the _only_ with separate softirq stacks?