diff options
author | 2022-10-17 16:25:17 +0100 | |
---|---|---|
committer | 2022-11-09 17:54:53 +0000 | |
commit | 939e4649d4fd54b622d08cd57100828df7a82074 (patch) | |
tree | 9c666e59473a24b56e452a67607d038dc7ca6908 /arch/arm64/include/uapi/asm | |
parent | kselftest/arm64: Add FEAT_CSSC to the hwcap selftest (diff) | |
download | linux-939e4649d4fd54b622d08cd57100828df7a82074.tar.gz linux-939e4649d4fd54b622d08cd57100828df7a82074.tar.bz2 linux-939e4649d4fd54b622d08cd57100828df7a82074.zip |
arm64/hwcap: Add support for FEAT_RPRFM
FEAT_RPRFM adds a new range prefetch hint within the existing PRFM space
for range prefetch hinting. Add a new hwcap to allow userspace to discover
support for the new instruction.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20221017152520.1039165-4-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/include/uapi/asm')
-rw-r--r-- | arch/arm64/include/uapi/asm/hwcap.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h index a43dddd94b4a..063cc6ea560f 100644 --- a/arch/arm64/include/uapi/asm/hwcap.h +++ b/arch/arm64/include/uapi/asm/hwcap.h @@ -94,5 +94,6 @@ #define HWCAP2_EBF16 (1UL << 32) #define HWCAP2_SVE_EBF16 (1UL << 33) #define HWCAP2_CSSC (1UL << 34) +#define HWCAP2_RPRFM (1UL << 35) #endif /* _UAPI__ASM_HWCAP_H */ |