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| author | Mark Brown <broonie@kernel.org> | 2022-10-17 17:25:15 +0200 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2022-11-09 18:54:53 +0100 |
| commit | 95aa6860d60881e8f08956e02199f7d65c9cbf7b (patch) | |
| tree | 30e8839a6f03a52c28cc4a864fe0066294605223 /Documentation/arm64 | |
| parent | arm64: Enable data independent timing (DIT) in the kernel (diff) | |
| download | linux-95aa6860d60881e8f08956e02199f7d65c9cbf7b.tar.xz linux-95aa6860d60881e8f08956e02199f7d65c9cbf7b.zip | |
arm64/hwcap: Add support for FEAT_CSSC
FEAT_CSSC adds a number of new instructions usable to optimise common short
sequences of instructions, add a hwcap indicating that the feature is
available and can be used by userspace.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20221017152520.1039165-2-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation/arm64')
| -rw-r--r-- | Documentation/arm64/elf_hwcaps.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst index bb34287c8e01..58197e9ccb6d 100644 --- a/Documentation/arm64/elf_hwcaps.rst +++ b/Documentation/arm64/elf_hwcaps.rst @@ -275,6 +275,9 @@ HWCAP2_EBF16 HWCAP2_SVE_EBF16 Functionality implied by ID_AA64ZFR0_EL1.BF16 == 0b0010. +HWCAP2_CSSC + Functionality implied by ID_AA64ISAR2_EL1.CSSC == 0b0001. + 4. Unused AT_HWCAP bits ----------------------- |