diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2020-07-24 10:41:31 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2020-07-24 11:55:29 +0100 |
| commit | a46cec12f4a53ee5113f42b327cbb8d4cda074d2 (patch) | |
| tree | 936e213b8b2a59f6e24185e776374fa7ebcef3f2 /arch/arm64/kernel/cpuinfo.c | |
| parent | 0ae3b13aab210e2a8c14371731abddfee228ae24 (diff) | |
| download | linux-a46cec12f4a53ee5113f42b327cbb8d4cda074d2.tar.bz2 | |
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>
Diffstat (limited to 'arch/arm64/kernel/cpuinfo.c')
| -rw-r--r-- | arch/arm64/kernel/cpuinfo.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 86637466daa8..393c6fb1f1cb 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -93,6 +93,7 @@ static const char *const hwcap_str[] = { "dgh", "rng", "bti", + /* reserved for "mte" */ NULL }; |