boot time scheduling hile atomic
runet at innovsys.com
Sat Jun 11 00:23:31 EST 2005
Any patch forthcomming soon?
> -----Original Message-----
> From: linuxppc-dev-bounces at ozlabs.org
> [mailto:linuxppc-dev-bounces at ozlabs.org] On Behalf Of
> Benjamin Herrenschmidt
> Sent: Wednesday, March 16, 2005 16:29
> To: Takeharu KATO
> Cc: linuxppc-dev list
> Subject: Re: boot time scheduling hile atomic
> On Wed, 2005-03-16 at 23:07 +0900, Takeharu KATO wrote:
> > Hi Benjamin:
> > I can not figure out why my previous patch is more preferable than
> > later one.
> > Could you explain the reason of that please.
> There may be other kernel bits calling syscall, it sounds saner to
> always make sure we don't reschedule when in atomic (though
> it's dubious
> that it's allowed to do syscalls in atomic regions, let's be safe
> In fact, we are thinking about consolidating the syscall
> return path and
> the normal irq return path like we did on ppc64.
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