[PATCH 4/4] arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver
Marc Zyngier
maz at kernel.org
Thu Nov 5 04:29:37 EST 2020
On 2020-11-04 23:22, Konrad Dybcio wrote:
> QCOM KRYO2XX Silver cores are Cortex-A53 based and are
> susceptible to the 845719 erratum. Add them to the lookup
> list to apply the erratum.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio at somainline.org>
> ---
> arch/arm64/kernel/cpu_errata.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/kernel/cpu_errata.c
> b/arch/arm64/kernel/cpu_errata.c
> index 61314fd70f13..cafaf0da05b7 100644
> --- a/arch/arm64/kernel/cpu_errata.c
> +++ b/arch/arm64/kernel/cpu_errata.c
> @@ -299,6 +299,8 @@ static const struct midr_range
> erratum_845719_list[] = {
> MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
> /* Brahma-B53 r0p[0] */
> MIDR_REV(MIDR_BRAHMA_B53, 0, 0),
> + /* Kryo2XX Silver rAp4 */
> + MIDR_REV(MIDR_QCOM_KRYO_2XX_SILVER, 0xa, 0x4),
Is this the only affected version? If this is actually an A53, how do
the
revisions map between Kryo and Cortex cores?
M.
--
Jazz is not dead. It just smells funny...
More information about the linux-arm-kernel
mailing list