Date: Mon, 27 Jul 2015 11:43:41 +0100
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Ben Dooks <ben.dooks@codethink.co.uk>
Cc: Sebastian Reichel <sre@kernel.org>, Tony Lindgren <tony@atomide.com>,
        linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/3] ARM: errata 430973: move !ARCH_MULTIPLATFORM to
 Kconfig
Message-ID: <20150727104341.GG7576@n2100.arm.linux.org.uk>
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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.

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