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SubjectRe: [PATCH 2/2] arm64: errata: Update ARM64_ERRATUM_[2119858|2224489] with Cortex-X2 ranges
On Wed, Jan 12, 2022 at 04:36:07PM +0530, Anshuman Khandual wrote:
>
>
> On 1/12/22 4:02 PM, Mark Rutland wrote:
> > Hi Anshuman,
> >
> > On Wed, Jan 12, 2022 at 03:04:59PM +0530, Anshuman Khandual wrote:
> >> Errata ARM64_ERRATUM_[2119858|2224489] also affect some Cortex-X2 ranges as
> >> well. Lets update these errata definition and detection to accommodate all
> >> new Cortex-X2 based cpu MIDR ranges.
> >>
> >> Cc: Catalin Marinas <catalin.marinas@arm.com>
> >> Cc: Will Deacon <will@kernel.org>
> >> Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
> >> Cc: Suzuki Poulose <suzuki.poulose@arm.com>
> >> Cc: coresight@lists.linaro.org
> >> Cc: linux-arm-kernel@lists.infradead.org
> >> Cc: linux-kernel@vger.kernel.org
> >> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
> >> ---
> >> arch/arm64/Kconfig | 12 ++++++------
> >> arch/arm64/kernel/cpu_errata.c | 2 ++
> >> 2 files changed, 8 insertions(+), 6 deletions(-)
> >
> > I think you've misssed Documentation/arm64/silicon-errata.rst -- for other
> > common errata we add lines for each affected part, e.g. as we do for
> > ARM64_ERRATUM_1418040.
>
> Sure, will do. I guess Cortex-X2 lines will come just after Cortex-A710
> but before Neoverse-N1.
>
> +----------------+-----------------+-----------------+-----------------------------+
> | ARM | Cortex-A710 | #2224489 | ARM64_ERRATUM_2224489 |
> +----------------+-----------------+-----------------+-----------------------------+
> >
> >
> +----------------+-----------------+-----------------+-----------------------------+
> | ARM | Neoverse-N1 | #1188873,1418040| ARM64_ERRATUM_1418040 |
> +----------------+-----------------+-----------------+-----------------------------+

That sounds right to me, yes.

Thanks,
Mark.

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