[PATCH 3/3] ARM: errata 430973: move !ARCH_MULTIPLATFORM to Kconfig

Russell King - ARM Linux linux at arm.linux.org.uk
Mon Jul 27 03:43:41 PDT 2015

On Mon, Jul 27, 2015 at 10:59:56AM +0100, Ben Dooks wrote:
> This isn't the only place ARM_ERRATA_430973 is used, and if
> you make it configurable on !ARCH_MULTIPLATFORM then it makes
> it impossible to use a ARCH_MULTIPLATFORM kernel on something
> that is an Cortex-A8.
> See arch/arm/mm/proc-v7-2level.S

That has been fixed so that the BTAC/BTB always gets flushed on each
context switch for all Cortex-A8 CPUs, but none of the other v7 CPUs.

FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up
according to speedtest.net.

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