DPDK patches and discussions
 help / color / mirror / Atom feed
From: Thomas Monjalon <thomas@monjalon.net>
To: Bruce Richardson <bruce.richardson@intel.com>,
	David Marchand <david.marchand@redhat.com>
Cc: "Morten Brørup" <mb@smartsharesystems.com>,
	"Tyler Retzlaff" <roretzla@linux.microsoft.com>,
	dev@dpdk.org, techboard@dpdk.org,
	"Honnappa Nagarahalli" <honnappa.nagarahalli@arm.com>,
	"Ruifeng Wang" <ruifeng.wang@arm.com>,
	"Jerin Jacob" <jerinj@marvell.com>,
	"Sunil Kumar Kori" <skori@marvell.com>,
	"Mattias Rönnblom" <mattias.ronnblom@ericsson.com>,
	"Joyce Kong" <joyce.kong@arm.com>,
	"David Christensen" <drc@linux.vnet.ibm.com>,
	"Konstantin Ananyev" <konstantin.v.ananyev@yandex.ru>,
	"David Hunt" <david.hunt@intel.com>
Subject: Re: [PATCH v6 1/6] eal: provide rte stdatomics optional atomics API
Date: Fri, 29 Sep 2023 12:26:45 +0200	[thread overview]
Message-ID: <10054797.lvqk35OSZv@thomas> (raw)
In-Reply-To: <CAJFAV8zHccpbd06HQfPvaOMh9wPRU2FZqtrqBOCUtpESeXL7ew@mail.gmail.com>

29/09/2023 11:34, David Marchand:
> On Fri, Sep 29, 2023 at 11:26 AM Bruce Richardson
> <bruce.richardson@intel.com> wrote:
> >
> > On Fri, Sep 29, 2023 at 11:02:38AM +0200, David Marchand wrote:
> > > On Fri, Sep 29, 2023 at 10:54 AM Morten Brørup <mb@smartsharesystems.com> wrote:
> > > > In my opinion, our move to C11 thus makes RTE_BUILD_BUG_ON obsolete.
> > >
> > > That's my thought too.
> > >
> > > >
> > > > We should mark RTE_BUILD_BUG_ON as deprecated, and disallow RTE_BUILD_BUG_ON in new code. Perhaps checkpatches could catch this?
> > >
> > > For a clear deprecation of a part of DPDK API, I don't see a need to
> > > add something in checkpatch.
> > > Putting a RTE_DEPRECATED in RTE_BUILD_BUG_ON directly triggers a build
> > > warning (caught by CI since we run with Werror).
> > >
> >
> > Would it not be sufficient to just make it an alias for the C11 static
> > assertions? It's not like its a lot of code to maintain, and if app users
> > have it in their code I'm not sure we get massive benefit from forcing them
> > to edit their code. I'd rather see it kept as a one-line macro purely from
> > a backward compatibility viewpoint. We can replace internal usages, though
> > - which can be checked by checkpatch.
> 
> No, there is no massive benefit, just trying to reduce our ever
> growing API surface.
> 
> Note, this macro should have been kept internal but it was introduced
> at a time such matter was not considered...

I agree with all.
Now taking techboard hat, we agreed to avoid breaking API if possible.
So we should keep RTE_BUILD_BUG_ON forever even if not used.
Internally we can replace its usages.



  reply	other threads:[~2023-09-29 10:26 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-11  1:31 [PATCH 0/6] RFC optional rte optional stdatomics API Tyler Retzlaff
2023-08-11  1:31 ` [PATCH 1/6] eal: provide rte stdatomics optional atomics API Tyler Retzlaff
2023-08-11  8:56   ` Bruce Richardson
2023-08-11  9:42   ` Morten Brørup
2023-08-11 15:54     ` Tyler Retzlaff
2023-08-14  9:04       ` Morten Brørup
2023-08-11  1:31 ` [PATCH 2/6] eal: adapt EAL to present rte " Tyler Retzlaff
2023-08-11  1:31 ` [PATCH 3/6] eal: add rte atomic qualifier with casts Tyler Retzlaff
2023-08-11  1:31 ` [PATCH 4/6] distributor: adapt for EAL optional atomics API changes Tyler Retzlaff
2023-08-11  1:32 ` [PATCH 5/6] bpf: " Tyler Retzlaff
2023-08-11  1:32 ` [PATCH 6/6] devtools: forbid new direct use of GCC atomic builtins Tyler Retzlaff
2023-08-11  8:57   ` Bruce Richardson
2023-08-11  9:51   ` Morten Brørup
2023-08-11 15:56     ` Tyler Retzlaff
2023-08-14  6:37       ` Morten Brørup
2023-08-11 17:32 ` [PATCH v2 0/6] RFC optional rte optional stdatomics API Tyler Retzlaff
2023-08-11 17:32   ` [PATCH v2 1/6] eal: provide rte stdatomics optional atomics API Tyler Retzlaff
2023-08-14  7:06     ` Morten Brørup
2023-08-11 17:32   ` [PATCH v2 2/6] eal: adapt EAL to present rte " Tyler Retzlaff
2023-08-14  8:00     ` Morten Brørup
2023-08-14 17:47       ` Tyler Retzlaff
2023-08-16 20:13         ` Morten Brørup
2023-08-16 20:32           ` Tyler Retzlaff
2023-08-11 17:32   ` [PATCH v2 3/6] eal: add rte atomic qualifier with casts Tyler Retzlaff
2023-08-14  8:05     ` Morten Brørup
2023-08-11 17:32   ` [PATCH v2 4/6] distributor: adapt for EAL optional atomics API changes Tyler Retzlaff
2023-08-14  8:07     ` Morten Brørup
2023-08-11 17:32   ` [PATCH v2 5/6] bpf: " Tyler Retzlaff
2023-08-14  8:11     ` Morten Brørup
2023-08-11 17:32   ` [PATCH v2 6/6] devtools: forbid new direct use of GCC atomic builtins Tyler Retzlaff
2023-08-14  8:12     ` Morten Brørup
2023-08-16 19:19 ` [PATCH v3 0/6] RFC optional rte optional stdatomics API Tyler Retzlaff
2023-08-16 19:19   ` [PATCH v3 1/6] eal: provide rte stdatomics optional atomics API Tyler Retzlaff
2023-08-16 20:55     ` Morten Brørup
2023-08-16 21:04       ` Tyler Retzlaff
2023-08-16 21:08         ` Morten Brørup
2023-08-16 21:10         ` Tyler Retzlaff
2023-08-16 19:19   ` [PATCH v3 2/6] eal: adapt EAL to present rte " Tyler Retzlaff
2023-08-16 19:19   ` [PATCH v3 3/6] eal: add rte atomic qualifier with casts Tyler Retzlaff
2023-08-16 19:19   ` [PATCH v3 4/6] distributor: adapt for EAL optional atomics API changes Tyler Retzlaff
2023-08-16 19:19   ` [PATCH v3 5/6] bpf: " Tyler Retzlaff
2023-08-16 19:19   ` [PATCH v3 6/6] devtools: forbid new direct use of GCC atomic builtins Tyler Retzlaff
2023-08-16 21:38 ` [PATCH v4 0/6] RFC optional rte optional stdatomics API Tyler Retzlaff
2023-08-16 21:38   ` [PATCH v4 1/6] eal: provide rte stdatomics optional atomics API Tyler Retzlaff
2023-08-17 11:45     ` Morten Brørup
2023-08-17 19:09       ` Tyler Retzlaff
2023-08-18  6:55         ` Morten Brørup
2023-08-16 21:38   ` [PATCH v4 2/6] eal: adapt EAL to present rte " Tyler Retzlaff
2023-08-16 21:38   ` [PATCH v4 3/6] eal: add rte atomic qualifier with casts Tyler Retzlaff
2023-08-16 21:38   ` [PATCH v4 4/6] distributor: adapt for EAL optional atomics API changes Tyler Retzlaff
2023-08-16 21:38   ` [PATCH v4 5/6] bpf: " Tyler Retzlaff
2023-08-16 21:38   ` [PATCH v4 6/6] devtools: forbid new direct use of GCC atomic builtins Tyler Retzlaff
2023-08-17 11:57     ` Morten Brørup
2023-08-17 19:14       ` Tyler Retzlaff
2023-08-18  7:13         ` Morten Brørup
2023-08-22 18:14           ` Tyler Retzlaff
2023-08-17 21:42 ` [PATCH v5 0/6] optional rte optional stdatomics API Tyler Retzlaff
2023-08-17 21:42   ` [PATCH v5 1/6] eal: provide rte stdatomics optional atomics API Tyler Retzlaff
2023-08-17 21:42   ` [PATCH v5 2/6] eal: adapt EAL to present rte " Tyler Retzlaff
2023-08-17 21:42   ` [PATCH v5 3/6] eal: add rte atomic qualifier with casts Tyler Retzlaff
2023-08-17 21:42   ` [PATCH v5 4/6] distributor: adapt for EAL optional atomics API changes Tyler Retzlaff
2023-08-17 21:42   ` [PATCH v5 5/6] bpf: " Tyler Retzlaff
2023-08-17 21:42   ` [PATCH v5 6/6] devtools: forbid new direct use of GCC atomic builtins Tyler Retzlaff
2023-08-21 22:27   ` [PATCH v5 0/6] optional rte optional stdatomics API Konstantin Ananyev
2023-08-22 21:00 ` [PATCH v6 0/6] rte atomics API for optional stdatomic Tyler Retzlaff
2023-08-22 21:00   ` [PATCH v6 1/6] eal: provide rte stdatomics optional atomics API Tyler Retzlaff
2023-09-28  8:06     ` Thomas Monjalon
2023-09-29  8:04       ` David Marchand
2023-09-29  8:54         ` Morten Brørup
2023-09-29  9:02           ` David Marchand
2023-09-29  9:26             ` Bruce Richardson
2023-09-29  9:34               ` David Marchand
2023-09-29 10:26                 ` Thomas Monjalon [this message]
2023-09-29 11:38                   ` David Marchand
2023-09-29 11:51                     ` Thomas Monjalon
2023-08-22 21:00   ` [PATCH v6 2/6] eal: adapt EAL to present rte " Tyler Retzlaff
2023-08-22 21:00   ` [PATCH v6 3/6] eal: add rte atomic qualifier with casts Tyler Retzlaff
2023-08-22 21:00   ` [PATCH v6 4/6] distributor: adapt for EAL optional atomics API changes Tyler Retzlaff
2023-08-22 21:00   ` [PATCH v6 5/6] bpf: " Tyler Retzlaff
2023-08-22 21:00   ` [PATCH v6 6/6] devtools: forbid new direct use of GCC atomic builtins Tyler Retzlaff
2023-08-29 15:57   ` [PATCH v6 0/6] rte atomics API for optional stdatomic Tyler Retzlaff
2023-09-29 14:09   ` David Marchand

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=10054797.lvqk35OSZv@thomas \
    --to=thomas@monjalon.net \
    --cc=bruce.richardson@intel.com \
    --cc=david.hunt@intel.com \
    --cc=david.marchand@redhat.com \
    --cc=dev@dpdk.org \
    --cc=drc@linux.vnet.ibm.com \
    --cc=honnappa.nagarahalli@arm.com \
    --cc=jerinj@marvell.com \
    --cc=joyce.kong@arm.com \
    --cc=konstantin.v.ananyev@yandex.ru \
    --cc=mattias.ronnblom@ericsson.com \
    --cc=mb@smartsharesystems.com \
    --cc=roretzla@linux.microsoft.com \
    --cc=ruifeng.wang@arm.com \
    --cc=skori@marvell.com \
    --cc=techboard@dpdk.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 NNTP newsgroup(s).