Messages in this thread | | | Date | Mon, 6 Mar 2023 20:35:07 +0800 | Subject | Re: [PATCH V3] LoongArch: Provide kernel fpu functions | From | WANG Xuerui <> |
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Hi,
On 2023/3/6 20:03, maobibo wrote: > > > 在 2023/3/6 17:59, Huacai Chen 写道: >> 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. > Since kernel is compiled with -msoft-float, I guess hw fpu will not be > used in kernel by present:). However it is deserved to try.
This has been explained by Ruoyao, but we'd need such support anyway when we have LSX/LASX support mainlined in the future and want to accelerate various algorithms with those instructions. Maybe at that time you'll want to port some of those too ;-)
-- WANG "xen0n" Xuerui
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