[PATCH V2 4/7] arm64: errata: Add detection for TRBE trace data corruption

[Catalin Marinas]

On Fri, Jan 07, 2022 at 06:40:05AM +0530, Anshuman Khandual wrote:
> TRBE implementations affected by Arm erratum #1902691 might corrupt trace
> data or deadlock, when it's being written into the memory. So effectively
> TRBE is broken and hence cannot be used to capture trace data. This adds
> a new errata ARM64_ERRATUM_1902691 in arm64 errata framework.
> 
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Will Deacon <will at kernel.org>
> Cc: Mathieu Poirier <mathieu.poirier at linaro.org>
> Cc: Suzuki Poulose <suzuki.poulose at arm.com>
> Cc: coresight at lists.linaro.org
> Cc: linux-doc at vger.kernel.org
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual at arm.com>

Acked-by: Catalin Marinas <catalin.marinas at arm.com>