On Fri, Jan 07, 2022 at 06:40:03AM +0530, Anshuman Khandual wrote: > TRBE implementations affected by Arm erratum #2064142 might fail to write > into certain system registers after the TRBE has been disabled. Under some > conditions after TRBE has been disabled, writes into certain TRBE registers > TRBLIMITR_EL1, TRBPTR_EL1, TRBBASER_EL1, TRBSR_EL1 and TRBTRG_EL1 will be > ignored and not be effected. This adds a new errata ARM64_ERRATUM_2064142 > in arm64 errata framework. > > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: Will Deacon <will@xxxxxxxxxx> > Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> > Cc: Suzuki Poulose <suzuki.poulose@xxxxxxx> > Cc: coresight@xxxxxxxxxxxxxxxx > Cc: linux-doc@xxxxxxxxxxxxxxx > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
