On Tue, Jul 13, 2004 at 11:48:29AM -0700, Andrew Morton wrote:
sys_sched_yield() also calls schedule() with local
interrupts disabled.
It's a bit grubby, but saves a few cycles. Nick and Ingo prefer it that way.
we can remove the irqs_disabled() check in might_sleep then, I'd like to
call might_sleep from cond_resched.