Re: [PATCH v2 07/14] LoongArch: Implement ARCH_HAS_KERNEL_FPU_SUPPORT
From: Christoph Hellwig
Date: Mon Jan 08 2024 - 04:37:22 EST
On Sun, Jan 07, 2024 at 10:39:07AM +0800, Huacai Chen wrote:
> > Do you mean that LoongArch32 does not support double-precision FP in hardware?
> > At least both of the consumers in this series use double-precision, so my first
> > thought is that LoongArch32 could not select ARCH_HAS_KERNEL_FPU_SUPPORT.
> Then is it possible to introduce CC_FLAGS_SP_FPU and CC_FLAGS_DP_FPU?
> I think there may be some place where SP FP is enough.
Let's defer that until it is actually neeed.