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| author | Clément Léger <cleger@rivosinc.com> | 2024-04-09 16:38:37 +0200 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-04-23 07:06:44 -0700 |
| commit | 5ea6764d9095e234b024054f75ebbccc4f0eb146 (patch) | |
| tree | 7df6f6e8ca12a8271aa4560b9d44f2dc350f3482 | |
| parent | a373a36fb6b024ac1d87fc04c97c75621b574c30 (diff) | |
| download | linux-5ea6764d9095e234b024054f75ebbccc4f0eb146.tar.gz | |
riscv: hwprobe: fix invalid sign extension for RISCV_HWPROBE_EXT_ZVFHMIN
The current definition yields a negative 32bits signed value which
result in a mask with is obviously incorrect. Replace it by using a
1ULL bit shift value to obtain a single set bit mask.
Fixes: 5dadda5e6a59 ("riscv: hwprobe: export Zvfh[min] ISA extensions")
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240409143839.558784-1-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
| -rw-r--r-- | arch/riscv/include/uapi/asm/hwprobe.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 9f2a8e3ff2048e..2902f68dc913aa 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -54,7 +54,7 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZFHMIN (1 << 28) #define RISCV_HWPROBE_EXT_ZIHINTNTL (1 << 29) #define RISCV_HWPROBE_EXT_ZVFH (1 << 30) -#define RISCV_HWPROBE_EXT_ZVFHMIN (1 << 31) +#define RISCV_HWPROBE_EXT_ZVFHMIN (1ULL << 31) #define RISCV_HWPROBE_EXT_ZFA (1ULL << 32) #define RISCV_HWPROBE_EXT_ZTSO (1ULL << 33) #define RISCV_HWPROBE_EXT_ZACAS (1ULL << 34) |