Re: [PATCH 1/3] arm64: add FEAT_MTE_TAGGED_FAR feature
From: Yeoreum Yun
Date: Thu Apr 03 2025 - 13:21:25 EST
On Thu, Apr 03, 2025 at 04:13:27PM +0100, Mark Brown wrote:
> 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@xxxxxxx>
> > ---
> > 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.
Thanks. I'll add.
--
Sincerely,
Yeoreum Yun