From: David Marchand <david.marchand@redhat.com>
To: "Morten Brørup" <mb@smartsharesystems.com>
Cc: "Thomas Monjalon" <thomas@monjalon.net>,
"Tyler Retzlaff" <roretzla@linux.microsoft.com>,
dev@dpdk.org, techboard@dpdk.org,
"Bruce Richardson" <bruce.richardson@intel.com>,
"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 11:02:38 +0200 [thread overview]
Message-ID: <CAJFAV8x4zqqe_j57jRDDYRzrbvYgS-nLMOguSNQxjAJQOaFhCA@mail.gmail.com> (raw)
In-Reply-To: <98CBD80474FA8B44BF855DF32C47DC35D87C1F@smartserver.smartshare.dk>
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).
diff --git a/lib/eal/include/rte_common.h b/lib/eal/include/rte_common.h
index 771c70f2c8..40542629c1 100644
--- a/lib/eal/include/rte_common.h
+++ b/lib/eal/include/rte_common.h
@@ -495,7 +495,7 @@ rte_is_aligned(const void * const __rte_restrict
ptr, const unsigned int align)
/**
* Triggers an error at compilation time if the condition is true.
*/
-#define RTE_BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+#define RTE_BUILD_BUG_ON(condition) RTE_DEPRECATED(RTE_BUILD_BUG_ON)
((void)sizeof(char[1 - 2*!!(condition)]))
/*********** Cache line related macros ********/
$ ninja -C build-mini
...
[18/333] Compiling C object lib/librte_eal.a.p/eal_common_eal_common_trace.c.o
../lib/eal/common/eal_common_trace.c: In function ‘eal_trace_init’:
../lib/eal/common/eal_common_trace.c:44:20: warning:
"RTE_BUILD_BUG_ON" is deprecated
44 | RTE_BUILD_BUG_ON((offsetof(struct __rte_trace_header,
mem) % 8) != 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[38/333] Compiling C object lib/librte_eal.a.p/eal_common_malloc_heap.c.o
../lib/eal/common/malloc_heap.c: In function ‘malloc_heap_destroy’:
../lib/eal/common/malloc_heap.c:1398:20: warning: "RTE_BUILD_BUG_ON"
is deprecated
1398 | RTE_BUILD_BUG_ON(offsetof(struct malloc_heap, lock) != 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[50/333] Compiling C object lib/librte_eal.a.p/eal_unix_rte_thread.c.o
../lib/eal/unix/rte_thread.c: In function ‘rte_thread_self’:
../lib/eal/unix/rte_thread.c:239:20: warning: "RTE_BUILD_BUG_ON" is deprecated
239 | RTE_BUILD_BUG_ON(sizeof(pthread_t) > sizeof(uintptr_t));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
David Marchand
next prev parent reply other threads:[~2023-09-29 9:02 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 [this message]
2023-09-29 9:26 ` Bruce Richardson
2023-09-29 9:34 ` David Marchand
2023-09-29 10:26 ` Thomas Monjalon
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=CAJFAV8x4zqqe_j57jRDDYRzrbvYgS-nLMOguSNQxjAJQOaFhCA@mail.gmail.com \
--to=david.marchand@redhat.com \
--cc=bruce.richardson@intel.com \
--cc=david.hunt@intel.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 \
--cc=thomas@monjalon.net \
/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).