[PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels

[Santosh Shilimkar]

> -----Original Message-----
> From: Dave Martin [mailto:dave.martin at linaro.org]
> Sent: Wednesday, February 09, 2011 3:18 PM
> To: Santosh Shilimkar
> Cc: Tony Lindgren; Nicolas Pitre; linux-omap at vger.kernel.org;
> Russell King - ARM Linux; linux-arm-kernel at lists.infradead.org
> Subject: Re: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels
>
> On Wed, Feb 9, 2011 at 6:04 AM, Santosh Shilimkar
> <santosh.shilimkar at ti.com> wrote:
> >> -----Original Message-----
> >> From: linux-omap-owner at vger.kernel.org [mailto:linux-omap-
> >> owner at vger.kernel.org] On Behalf Of Tony Lindgren
> >> Sent: Wednesday, February 09, 2011 6:06 AM
> >> To: Nicolas Pitre
> >> Cc: Santosh Shilimkar; Russell King - ARM Linux; linux-
> >> omap at vger.kernel.org; linux-arm-kernel at lists.infradead.org
> >> Subject: Re: [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels
> >>
> >> * Nicolas Pitre <nico at fluxnic.net> [110208 12:41]:
> >> > On Tue, 8 Feb 2011, Santosh Shilimkar wrote:
> >> >
> >> > > > I think it's probably going to be better to _purposely_
> break
> >> the
> >> > > > OMAP build when it covers v6 and v7 CPUs in these kernels
> as I
> >> don't
> >> > > > think it's sanely fixable given where we are.
> >> >
> >> > Agreed.  At least making SMP unavailable when both v6 and v7
> are
> >> > configured should be small and good enough for 2.6.38-rc5.
> >>
> >> That's probably the best solution as then we can still do boot
> >> testing on all omap2plus_defconfig boards.
> >>
> > Just to be clear, are we saying disable SMP from omap2plus build.
> > If the v6, v7 is not fixable then, we also need a SMP
> > config for OMAP. Just boot test with SMP disable config for
> > OMAP4 is not enough.
>
> You could also have a "v7+" unified kernel -- i.e., supporting
> OMAP3+4+SMP.
> This is what we currently do in Linaro, since we're focusing on v7
> and above.
>
This sounds good way forward considering future OMAP architectures
as well.

But I let Tony comment on this idea.

Regards,
Santosh