Re: [PATCH 0/4] Hacks to allow booting ARM SMP kernel on UP ARMv7

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On Thu, 2010-09-02 at 17:16 +0100, Tony Lindgren wrote:
> * Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> [100902 06:29]:
> > On Mon, Aug 30, 2010 at 03:55:27PM -0700, Tony Lindgren wrote:
> > > * Tony Lindgren <tony@xxxxxxxxxxx> [100820 04:59]:
> > > > * Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> [100819 13:13]:
> > > > > On Thu, Aug 19, 2010 at 12:57:06PM +0300, Tony Lindgren wrote:
> > > > > > Looks like something is not quite right with smp_on_up part of __fixup_smp,
> > > > > > returning early before smp_on_up does not produce that.
> > > > >
> > > > > It's probably overwriting some register it shouldn't be.  I might be
> > > > > able to look at this sometime during the coming week... assuming that
> > > > > the weather is as bad as they forecast and I have 'net connectivity.
> > >
> > > This seems to fix it.
> >
> > Thanks, merged that into my original patch - so here it is again with
> > everything updated.
> 
> Your patch sure makes things simpler! The problem still is the
> V6 vs V7 SMP code though.

I haven't followed your patches closely but can we restrict the ARMv6
SMP/UP support to only those cores that have TEX remapping (most of them
probably)?

-- 
Catalin

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