Re: [PATCH 5.12 000/677] 5.12.4-rc1 review

[Linus Torvalds]

On Wed, May 12, 2021 at 11:48 AM Naresh Kamboju
<naresh.kamboju@xxxxxxxxxx> wrote:
>
> Linus's tree builds MIPS clang successfully.

Note that this might just be a random effect of inlining or other
register allocation pressure details.

So it's possible that upstream builds mostly by luck.

The "couldn't allocate output register" thing really does seem more
like a compiler issue than a kernel source code issue.

             Linus