[PATCH 1/3] arm64: add FEAT_MTE_TAGGED_FAR feature

[Mark Brown]

On Thu, Apr 03, 2025 at 03:15:33PM +0100, Yeoreum Yun wrote:
> Add FEAT_MTE_TAGGED_FAR cpucap which makes FAR_ELx report
> all non-address bits on a synchronous MTE tag check fault since Armv8.9
> 
> Signed-off-by: Yeoreum Yun <yeoreum.yun at arm.com>
> ---
>  arch/arm64/include/asm/hwcap.h      | 1 +
>  arch/arm64/include/uapi/asm/hwcap.h | 1 +
>  arch/arm64/kernel/cpufeature.c      | 9 +++++++++
>  arch/arm64/kernel/cpuinfo.c         | 1 +
>  arch/arm64/tools/cpucaps            | 1 +
>  5 files changed, 13 insertions(+)

Please also add this to the hwcaps kselftest.
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