Jisheng Zhang 37a7a2a10e

riscv: Turn has_fpu into a static key if FPU=y ...

The has_fpu check sits at hot code path: switch_to(). Currently, has_fpu
is a bool variable if FPU=y, switch_to() checks it each time, we can
optimize out this check by turning the has_fpu into a static key.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

2021-05-25 22:56:57 -07:00

..

asm

riscv: Turn has_fpu into a static key if FPU=y

2021-05-25 22:56:57 -07:00

uapi/asm

riscv: Add cache information in AUX vector

2020-09-15 18:46:08 -07:00