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Re: kernel: supervisor trap asynchronous system trap, code=0
On Mon, Jul 02, 2007 at 12:45:16PM +0900, YAMAMOTO Takashi wrote:
> > it could probably, but this would make some more call/return, or jump.
> > I'm not sure it's worth it.
> it's worth, IMO.
Well, I looked at factoring it a bit when I did these changes, and it didn't
look that easy. there are some differences in the code that I can't see
how to split out of the loop. All these routines do their job inside the
> > __sti() is intended for C code, but it takes an extrat trap and 4 context
> > switches to process pending interrupts. processing interrupts in the current
> > context it more efficient.
> why can't you use do_hypervisor_callback()?
At first look I think we could, but this needs to be investicated.
We would still have to check the pending ilevel(s), though (maybe only
in spllower(), this needs to be investigated too).
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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