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2 commits

Author SHA1 Message Date
Huacai Chen
2478e4b759 LoongArch: Allow usage of LSX/LASX in the kernel 
Allow usage of LSX/LASX in the kernel by extending kernel_fpu_begin()
and kernel_fpu_end().

Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
 2023-09-06 22:53:55 +08:00
Huacai Chen
2b3bd32ea3 LoongArch: Provide kernel fpu functions 
Provide kernel_fpu_begin()/kernel_fpu_end() to allow the kernel itself
to use fpu. They can be used by some other kernel components, e.g., the
AMDGPU graphic driver for DCN.

Reported-by: WANG Xuerui <kernel@xen0n.name>
Tested-by: WANG Xuerui <kernel@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
 2023-05-01 17:19:27 +08:00