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| author | Jisheng Zhang <jszhang@kernel.org> | 2023-01-28 18:28:49 +0100 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-02-01 08:29:38 +0100 |
| commit | 702e64550b12cf36089672af8f110660da7f847e (patch) | |
| tree | 6d75315ad37d180ebba862a6a386dff8ce769d2c /arch/riscv | |
| parent | riscv: introduce riscv_has_extension_[un]likely() (diff) | |
| download | linux-702e64550b12cf36089672af8f110660da7f847e.tar.xz linux-702e64550b12cf36089672af8f110660da7f847e.zip | |
riscv: fpu: switch has_fpu() to riscv_has_extension_likely()
Switch has_fpu() from static branch to the new helper
riscv_has_extension_likely().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230128172856.3814-7-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/include/asm/switch_to.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/riscv/include/asm/switch_to.h b/arch/riscv/include/asm/switch_to.h index 11463489fec6..60f8ca01d36e 100644 --- a/arch/riscv/include/asm/switch_to.h +++ b/arch/riscv/include/asm/switch_to.h @@ -59,7 +59,8 @@ static inline void __switch_to_aux(struct task_struct *prev, static __always_inline bool has_fpu(void) { - return static_branch_likely(&riscv_isa_ext_keys[RISCV_ISA_EXT_KEY_FPU]); + return riscv_has_extension_likely(RISCV_ISA_EXT_f) || + riscv_has_extension_likely(RISCV_ISA_EXT_d); } #else static __always_inline bool has_fpu(void) { return false; } |