On Sat, 09 Apr 2005 19:22:23 +1000 Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote:
> ppc64 already has a local_irq_save/restore in switch_to, around the low > level asm bits, so it should be fine. Sparc64 essentially does as well. In fact, it uses an IRQ disable which is stronger than local_irq_save in that it disables reception of CPU cross-calls as well.