Unverified Commit 702e6455 authored by Jisheng Zhang's avatar Jisheng Zhang Committed by Palmer Dabbelt
Browse files

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: default avatarJisheng Zhang <jszhang@kernel.org>
Reviewed-by: default avatarAndrew Jones <ajones@ventanamicro.com>
Reviewed-by: default avatarHeiko Stuebner <heiko@sntech.de>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230128172856.3814-7-jszhang@kernel.org


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent bdda5d55

arch/riscv/include/asm/switch_to.h

+2 −1
Original line number Diff line number Diff line
@@ -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; }