diff options
| author | Mark Brown <broonie@kernel.org> | 2023-09-15 13:18:06 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2023-09-29 15:56:17 +0100 |
| commit | 5d5b4e8c2d9ec12a5cc013b82c1873cd387e0ddf (patch) | |
| tree | f7705ca29fb1e96d692e1e69e2fbe56ab2dcfd42 /arch/arm64/kernel/cpuinfo.c | |
| parent | 6465e260f48790807eef06b583b38ca9789b6072 (diff) | |
arm64/sve: Report FEAT_SVE_B16B16 to userspace
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.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230915-arm64-zfr-b16b16-el0-v1-1-f9aba807bdb5@kernel.org
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 98fda8500535..ea2a31988103 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -127,6 +127,7 @@ static const char *const hwcap_str[] = { [KERNEL_HWCAP_SME_F16F16] = "smef16f16", [KERNEL_HWCAP_MOPS] = "mops", [KERNEL_HWCAP_HBC] = "hbc", + [KERNEL_HWCAP_SVE_B16B16] = "sveb16b16", }; #ifdef CONFIG_COMPAT |