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SubjectRe: [GIT PULL] Modules updates for v5.12
On Tue, Feb 23, 2021 at 11:55:50AM -0800, Linus Torvalds wrote:
> On Tue, Feb 23, 2021 at 10:42 AM Linus Torvalds
> <torvalds@linux-foundation.org> 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.

Does your build now enable TRIM_UNUSED_KSYMS but previously didn't by
chance?

>
> Linus
---end quoted text---

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