Re: [GIT PULL] Modules updates for v5.12

[Linus Torvalds]

On Tue, Feb 23, 2021 at 10:42 AM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> I think there is something horribly wrong in my tree, and my build
> process is now about 30% slower. It went from 5+ minutes to 8+
> minutes. The main suspect would be some lack of parallelism.

I don't see quite what is wrong, but bisection is clear, and points
the finger at

    367948220fce "module: remove EXPORT_UNUSED_SYMBOL*"

which looks entirely trivial, but clearly isn't.

It's repeatable. That commit slows down my build hugely.

              Linus