From: "H.J. Lu" <hjl.tools@gmail.com>
To: "Carlos O'Donell" <carlos@redhat.com>
Cc: Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
libc-alpha <libc-alpha@sourceware.org>
Subject: Re: [PATCH] NUMA spinlock [BZ #23962]
Date: Sat, 05 Jan 2019 16:36:00 -0000 [thread overview]
Message-ID: <CAMe9rOr9yeey0H2R1H6LRQxiFJ1Eu2fc+sqs+J2t1aaJBFcC5g@mail.gmail.com> (raw)
In-Reply-To: <d4b9e25e-8884-b01f-040e-b6f40e011033@redhat.com>
On Sat, Jan 5, 2019 at 4:34 AM Carlos O'Donell <carlos@redhat.com> wrote:
>
> On 1/3/19 2:58 PM, H.J. Lu wrote:
> > +libpthread {
> > + GLIBC_2.29 {
> > + numa_spinlock_alloc;
> > + numa_spinlock_free;
> > + numa_spinlock_init;
> > + numa_spinlock_apply;
> > + }
> > +}
>
> Why are we adding these non-standard interfaces to glibc?
>
> The API implementation doesn't rely on any special glibc internals.
>
> It could be implemented as a distinct library, allowed to evolve quickly
> in response to customer need, and eventually integrated into glibc if the
> API proves stable. A similar model has been setup by Boost and C++ just to
> draw some parallels.
>
> I'm not happy to see new APIs like this go directly into glibc without
> much more discussion about *why* they have to be in glibc initially.
>
> Just to be clear I have a sustained objection to this new set of APIs
> being added to glibc until I can be convinced that they have to go in
> glibc.
>
Should glibc have scalable spinlock, in libc.so or a separate shared object?
Or should we tell people that if they want scalable spinlock, they look
elsewhere?
--
H.J.
next prev parent reply other threads:[~2019-01-05 16:36 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-26 9:51 Ma Ling
2019-01-03 4:05 ` 马凌(彦军)
[not found] ` <0a474516-b8c8-48cf-aeea-e57c77b78cbd.ling.ml@antfin.com>
2019-01-03 5:35 ` 转发:[PATCH] " 马凌(彦军)
2019-01-03 14:52 ` Szabolcs Nagy
2019-01-03 19:59 ` H.J. Lu
2019-01-05 12:34 ` [PATCH] " Carlos O'Donell
2019-01-05 16:36 ` H.J. Lu [this message]
2019-01-07 19:12 ` Florian Weimer
2019-01-07 19:49 ` H.J. Lu
2019-01-10 16:31 ` Carlos O'Donell
2019-01-10 16:32 ` Florian Weimer
2019-01-10 16:41 ` Carlos O'Donell
2019-01-10 17:52 ` Szabolcs Nagy
2019-01-10 19:24 ` Carlos O'Donell
2019-01-11 12:01 ` kemi
2019-01-14 22:45 ` Torvald Riegel
2019-01-15 9:32 ` Florian Weimer
2019-01-15 12:01 ` Torvald Riegel
2019-01-15 12:17 ` Florian Weimer
2019-01-15 12:31 ` Torvald Riegel
2019-01-11 16:24 ` H.J. Lu
2019-01-14 23:03 ` Torvald Riegel
2019-01-04 4:13 ` 转发:[PATCH] " 马凌(彦军)
2019-01-03 20:43 ` [PATCH] " Rich Felker
2019-01-03 20:55 ` H.J. Lu
2019-01-03 21:21 ` Rich Felker
2019-01-03 21:28 ` H.J. Lu
2019-01-14 23:18 ` Torvald Riegel
2019-01-15 2:33 ` kemi
2019-01-15 12:37 ` Torvald Riegel
2019-01-15 16:44 ` Rich Felker
2019-01-17 3:10 ` kemi
2019-02-04 17:23 ` Torvald Riegel
2019-01-14 22:40 ` Torvald Riegel
2019-01-14 23:26 ` Torvald Riegel
2019-01-15 4:47 ` 马凌(彦军)
2019-01-15 2:56 ` kemi
2019-01-15 4:27 ` 马凌(彦军)
2019-01-10 13:18 马凌(彦军)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAMe9rOr9yeey0H2R1H6LRQxiFJ1Eu2fc+sqs+J2t1aaJBFcC5g@mail.gmail.com \
--to=hjl.tools@gmail.com \
--cc=Szabolcs.Nagy@arm.com \
--cc=carlos@redhat.com \
--cc=libc-alpha@sourceware.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).