Fix issues with ARMv6+v6k+v7 kernels
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Cover letter [PATCH 00/14] Fix issues with ARMv6+v6k+v7 kernels
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-----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 kernelsQuoted 9 lines · Santosh Shilimkar
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-----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 kernelsQuoted 4 lines
Quoted 4 lines · Nicolas Pitre
Quoted 3 lines · Santosh Shilimkar
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I think it's probably going to be better to _purposely_
break
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the
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OMAP build when it covers v6 and v7 CPUs in these kernels
as I
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don't
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think it's sanely fixable given where we are.
Agreed. ?At least making SMP unavailable when both v6 and v7
are
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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_defconfigboards.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.
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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