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(parent: 0ae3b13) | patch
arm64: Reserve HWCAP2_MTE as (1 << 18)
authorCatalin Marinas <catalin.marinas@arm.com>
Fri, 24 Jul 2020 09:41:31 +0000 (10:41 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Fri, 24 Jul 2020 10:55:29 +0000 (11:55 +0100)
commita46cec12f4a53ee5113f42b327cbb8d4cda074d2
tree936e213b8b2a59f6e24185e776374fa7ebcef3f2tree
parent0ae3b13aab210e2a8c14371731abddfee228ae24commit | diff
arm64: Reserve HWCAP2_MTE as (1 << 18)

While MTE is not supported in the upstream kernel yet, add a comment
that HWCAP2_MTE as (1 << 18) is reserved. Glibc makes use of it for the
resolving (ifunc) of the MTE-safe string routines.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/include/asm/hwcap.h diff | blob | history
arch/arm64/include/uapi/asm/hwcap.h diff | blob | history
arch/arm64/kernel/cpuinfo.c diff | blob | history
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