On Thu, 4 Jul 2002, David Xu wrote:

> while we are getting rid of Giant,  current race condition between softclock()
> and callout_stop() is unacceptable. the race causes two many places in source
> code would be modified to fit this new behaviour,  besides this, everywhere 
> callout_stop() is used need to hold sched_lock and do a mi_switch() and
> modify td_flags is also unacceptable, this SMP race should be resolved in 
> kern_timeout.c.  
> David Xu

This is probably true..
the current hacks for this are rather horrible. I think there msut be
better ways. Your suggestion sounds plausible.

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