[PATCH] Improve performance of IO locks

[Florian Weimer]

* Mark Wielaard:

> Yeah, I am actually surprised just reverting the patch fixed things.
> But looking at the bunsen data for glibc-debian-ppc64 does seem to
> show that the only thing changed is this particular patch. Runs before
> it pass, runs after show lots of fails.
>
> https://builder.sourceware.org/testruns/?has_keyvalue_like_k=testrun.git_describe&has_keyvalue_like_v=%25glibc-debian-ppc64%25

How do I read this table?

> The debian-ppc64 worker has GCC 11.2.0 and binutils 2.38
> https://builder.sourceware.org/buildbot/#/workers/10
>
> But I don't see how the patch and the crash backtrace are related.

It could be a change in relocation types used.

Thanks,
Florian