Re: [patch 07/15] Basic x86_64 support

From: Tom Rini
Date: Thu Aug 04 2005 - 09:19:53 EST


On Thu, Aug 04, 2005 at 04:06:20PM +0200, Andi Kleen wrote:
> On Thu, Aug 04, 2005 at 07:04:45AM -0700, Tom Rini wrote:
> > On Thu, Aug 04, 2005 at 02:39:00PM +0200, Andi Kleen wrote:
> > > > > That doesn't make much sense here. tasklet will only run when interrupts
> > > > > are enabled, and that is much later. You could move it to there.
> > > >
> > > > Where? Keep in mind it's really only x86_64 that isn't able to break
> > > > sooner.
> > >
> > > The local_irq_enable() call in init/main.c:start_kernel()
> >
> > But as I say, only x86_64 needs this kind of delay.
>
> I don't think that's correct. Interrupts should be disabled on all
> architectures until that.

Right, but we can run sooner elsewhere. It's only x86_64 where we can't
run when our commandline bits are parsed and need to wait.

--
Tom Rini
http://gate.crashing.org/~trini/
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