SVE 2.1 introduced a new feature FEAT_SVE_B16B16 which adds instructions supporting the BFloat16 floating point format. Report this to userspace through the ID registers and hwcap.
Signed-off-by: Mark Brown broonie@kernel.org --- Mark Brown (2): arm64/sve: Report FEAT_SVE_B16B16 to userspace kselftest/arm64: Verify HWCAP2_SVE_B16B16
Documentation/arch/arm64/cpu-feature-registers.rst | 2 ++ Documentation/arch/arm64/elf_hwcaps.rst | 3 +++ arch/arm64/include/asm/hwcap.h | 1 + arch/arm64/include/uapi/asm/hwcap.h | 1 + arch/arm64/kernel/cpufeature.c | 3 +++ arch/arm64/kernel/cpuinfo.c | 1 + arch/arm64/tools/sysreg | 6 +++++- tools/testing/selftests/arm64/abi/hwcap.c | 13 +++++++++++++ 8 files changed, 29 insertions(+), 1 deletion(-) --- base-commit: 0bb80ecc33a8fb5a682236443c1e740d5c917d1d change-id: 20230913-arm64-zfr-b16b16-el0-0811fc70f147
Best regards,