From: Thomas Monjalon <thomas@monjalon.net>
To: Eli Britstein <elibr@nvidia.com>
Cc: dev@dpdk.org, david.marchand@redhat.com
Subject: Re: [dpdk-dev] [PATCH] eal: fix build with conflicting libc variable memory_order
Date: Thu, 15 Oct 2020 01:16:29 +0200 [thread overview]
Message-ID: <1634944.yJlA45dGKM@thomas> (raw)
In-Reply-To: <20201014061909.9957-1-elibr@nvidia.com>
14/10/2020 08:19, Eli Britstein:
> The cited commit introduced functions with 'int memory_order' argument.
> The C11 standard section 7.17.1.4 defines 'memory_order' as the
> "enumerated type whose enumerators identify memory ordering constraints".
> Applications that use the standard enum (includes stdatomic.h), will
> fail compilation with:
> error: declaration of 'memory_order' shadows a global declaration
> [-Werror=shadow]
> rte_atomic_thread_fence(int memory_order)
> Fix it by changing the argument name 'memory_order' to 'memorder'.
Not clear why it builds fine with most compilers,
but the fix does not hurt.
> Fixes: 672a15056380 ("eal: add wrapper for C11 atomic thread fence")
A blank line should be inserted here.
> Signed-off-by: Eli Britstein <elibr@nvidia.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
next prev parent reply other threads:[~2020-10-14 23:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-14 6:19 Eli Britstein
2020-10-14 13:34 ` Asaf Penso
2020-10-14 23:16 ` Thomas Monjalon [this message]
2020-10-15 7:12 ` 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=1634944.yJlA45dGKM@thomas \
--to=thomas@monjalon.net \
--cc=david.marchand@redhat.com \
--cc=dev@dpdk.org \
--cc=elibr@nvidia.com \
/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).