linux-kernel - Re: [PATCH v3 4/4] ARM: reinsert ARCH_MULTI

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Message-Id: <201307090103.27296.arnd@arndb.de>
Date:	Tue, 9 Jul 2013 01:03:27 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Jonas Jensen <jonas.jensen@...il.com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux@....linux.org.uk,
	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	arm@...nel.org, olof@...om.net
Subject: Re: [PATCH v3 4/4] ARM: reinsert ARCH_MULTI_V4 Kconfig option

On Monday 08 July 2013, Jonas Jensen wrote:
> Arnd suggested removing one (or many) of the options:
> 
> CPU_ABRT_EV4T
> CPU_CACHE_V4WT
> CPU_COPY_V4WB
> CPU_TLB_V4WBI
> 
> However boot is still broken after removing all including CPU_32v4T.
> 
> Selecting CPU_SA1100 instead, it boots normally and init works.
> 
> The idea is, If you can help figure out what exactly breaks boot, the
> patch can be dropped.
> 
> From these tests, I have created two branches ( arch/arm/mm have
> replacements for calls to no longer compiled in ):
> 
> http://code.google.com/p/linux-next-20130703-moxart/source/detail?r=a88f33ad22d3f9a31fe126f1c95568e5b2e8f32d&name=multi_V4_test_arm920t
> http://code.google.com/p/linux-next-20130703-moxart/source/detail?r=9f4c21f1123a122c51792cd374217ce6e426e74a&name=multi_V4_test_sa1100

It looks like you select CPU_ARM926T but change the entry for CPU_ARM920T
instead, which would have no effect then.

	Arnd
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