Subject: [PATCH 4/4] omap: Fix SMP on UP interrupt handling for multi-omap

From: [email-masked] (Tony Lindgren)
Date: Tue, 17 Aug 2010 17:14:28 +0300

* srinidhi <[email-masked]> [100817 15:07]:
> On Tue, 2010-08-17 at 13:30 +0200, Tony Lindgren wrote:
> > * srinidhi <[email-masked]> [100817 14:00]:
> > > On Tue, 2010-08-17 at 12:53 +0200, Tony Lindgren wrote:
> > > > Fix SMP on UP interrupt handling for multi-omap
> > > > 
> > > > Signed-off-by: Tony Lindgren <[email-masked]>
> > > > ---
> > > >  arch/arm/mach-omap2/include/mach/entry-macro.S |   22 ++++++++++++++++++++++
> > > >  arch/arm/mach-omap2/omap-smp.c                 |   16 ++++++++++++----
> > > >  arch/arm/mach-omap2/timer-gp.c                 |    7 +++++--
> > > >  3 files changed, 39 insertions(+), 6 deletions(-)
> > > > 
> > > > diff --git a/arch/arm/mach-omap2/include/mach/entry-macro.S b/arch/arm/mach-omap2/include/mach/entry-macro.S
> > > > index 06e64e1..75c67aa 100644
> > > > --- a/arch/arm/mach-omap2/include/mach/entry-macro.S
> > > > +++ b/arch/arm/mach-omap2/include/mach/entry-macro.S
> > > 
> > > There is one patch lying in Russell's tracker (6284/1) which attempts to
> > > use the common IRQ helper macros instead of platforms duplicating this
> > > file. Perhaps you may need to re-base to that if Russell is ok with that
> > > patch, of course.
> > 
> > Nice to see. Ideally test_for_ipi and test_for_ltirq would return
> > early automatically when running SMP kernel on UP.
> > 
> > BTW, did you test patch 6284/1 with omap3_defconfig to make sure
> > that still boots on omap3 & 4?
> 
> Just build tested for all other machines and boot tested on ux500
> machine. I do not have omap and other boards :(

OK, I'll give your patch a try on some omap3 board, maybe Santosh
can test it on omap4.

Regards,

Tony