On Tue, Feb 23, 2021 at 11:55:50AM -0800, Linus Torvalds wrote: > On Tue, Feb 23, 2021 at 10:42 AM Linus Torvalds > <torva...@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---