[PATCH] ARM: nommu: re-enable use of vexpress without ARCH_MULTIPLATFORM

[Nicolas Pitre]

On Wed, 9 Jan 2013, Arnd Bergmann wrote:

> On Wednesday 09 January 2013, Nicolas Pitre wrote:
> > On Wed, 9 Jan 2013, Arnd Bergmann wrote:
> > 
> > > On a related topic, I still think we should fix ARCH_MULTI_V7 not
> > > to select ARCH_VEXPRESS unconditionally and come up with a better
> > > way to avoid having an empty platform list to make 'allnoconfig'
> > > still work.
> > 
> > The virtual guest platform support that Will and Marc did is small 
> > enough that it could always be selected in place of vexpress.
> 
> But that only helps when ARMv7 is selected, unless we want to build
> it only for ARMv4, v5 or v6 kernels.

That is still a problem.  I assumed from your statement above that only 
ARCH_MULTI_V7 was affected.

> Besides, the only reason we can't have a kernel without any platform
> selected is that the linker script has code in it to intentionally
> barf on that because it's guaranteed not to boot on any hardware.

I know -- that linker script assertion is mine.  :-)

> If we decide that building an allnoconfig without any platform
> is actually ok, we could just as well rip out that error statement.

Is it expected for allnoconfig kernels to still boot on other 
architectures? If so I think we should try to still provide a valid 
config even in the allnoconfig case.


Nicolas