Re: [PATCH 0/4] Move libio lock single-thread optimization to generic libc-lock

[Florian Weimer <fweimer@redhat.com>]

* Adhemerval Zanella:

> On 12/04/2022 09:18, Florian Weimer wrote:
>> * Adhemerval Zanella via Libc-alpha:
>> 
>>> This patchset removes some old unused code (_IO_lock_inexpensive
>>> and _IO_MTSAFE_IO), consolidate the stdio-lock.h and move the
>>> single-thread lock optimization to generic code instead of
>>> per-function usage.
>>>
>>> Adhemerval Zanella (4):
>>>   libio: Assume _IO_lock_inexpensive
>>>   libio: Assume _IO_MTSAFE_IO
>>>   Consolidate stdio-lock.h
>>>   Move libio lock single-thread optimization to generic libc-lock (BZ
>>>     #27842)
>> 
>> This series is still assigned to me in Patchwork.  Is it still active?
>
> I think it would be a good micro-optimization and a code consolidation,
> although I am not sure if it still applies.  If you think it would be
> a good addition I can work on rebase and send a new version.

I'm interested in the _IO_MTSAFE_IO consolidation, but the rest looks
useful as well.  I think we have some places where we define stdio
locking macros differently for no apparent reason, that that's just
waiting to cause trouble.

Thanks,
Florian