Physical memory start contraints in the Linux kernel (Was: Re: Xen osstest on Calxeda midway progress (Was: Re: [Xen-devel] [xen-unstable test] 21486: tolerable FAIL - PUSHED))

[Ian Campbell]

On Tue, 2013-11-12 at 14:44 +0000, Russell King - ARM Linux wrote:
> On Tue, Nov 12, 2013 at 02:38:55PM +0000, Ian Campbell wrote:
> > On Tue, 2013-11-12 at 13:20 +0000, Russell King - ARM Linux wrote:
> > > If there's any other issues with multiplatform, then yes, we want to hear
> > > about them.
> > 
> > I think some of the issues we've been seeing were with non-MP kernels.
> > Specifically they were on Arndale, which appeared to be unhappy with RAM
> > being much higher than the normal base address. I believe Arndale/Exynos
> > is currently not (fully?) MP? Or maybe wasn't when this came up?
> 
> I'm not aware of there ever being any SMP/UP constraints on memory in the
> non-platform specific code.

Sorry MP == multiplatform here. That was a stupid/confusing abbreviation
for me to choose...

Ian.