[PATCH v4] arm64: Add workaround for Cavium erratum 27456

Catalin Marinas catalin.marinas at arm.com
Fri Feb 26 07:20:51 PST 2016


On Wed, Feb 24, 2016 at 05:44:57PM -0800, David Daney wrote:
> From: Andrew Pinski <apinski at cavium.com>
> 
> On ThunderX T88 pass 1.x through 2.1 parts, broadcast TLBI
> instructions may cause the icache to become corrupted if it contains
> data for a non-current ASID.
> 
> This patch implements the workaround (which invalidates the local
> icache when switching the mm) by using code patching.
> 
> Signed-off-by: Andrew Pinski <apinski at cavium.com>
> Signed-off-by: David Daney <david.daney at cavium.com>
> Reviewed-by: Will Deacon <will.deacon at arm.com>

Applied. Thanks.

-- 
Catalin



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