Re: [patch] improve SMP reschedule and idle routines

[Nick Piggin]

On Tue, 2005-05-31 at 23:15 -0700, Andrew Morton wrote:
> Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:
> >
> >  Make some changes to the NEED_RESCHED and POLLING_NRFLAG to reduce
> >  confusion, and make their semantics rigid. Also have preempt explicitly
> >  disabled in idle routines. Improves efficiency of resched_task and some
> >  cpu_idle routines.
> 
> This patch, with or without sched-resched-optimisation-fix.patch causes my
> x86_64 box to soil its pants.  
> 

Sorry about that. I probably have broken something since last
testing x86-64. It looks like a simple mismatched preempt_
operation, so I'll try to get that fixed up shortly.

-- 
SUSE Labs, Novell Inc.



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