From: Andrew Morton <akpm@linux-foundation.org>
To: George Burgess IV <gbiv@google.com>
Cc: ndesaulniers@google.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tools/build: tweak unused value workaround
Date: Tue, 14 Apr 2020 17:00:06 -0700 [thread overview]
Message-ID: <20200414170006.10f70d361bfd085f3e846939@linux-foundation.org> (raw)
In-Reply-To: <20200414195638.156123-1-gbiv@google.com>
On Tue, 14 Apr 2020 12:56:38 -0700 George Burgess IV <gbiv@google.com> wrote:
> Clang has -Wself-assign enabled by default under -Wall, which always
> gets -Werror'ed on this file, causing sync-compare-and-swap to be
> disabled by default. The generally-accepted way to spell "this value is
> intentionally unused," is casting it to `void`. This is accepted by both
> GCC and Clang with -Wall enabled: https://godbolt.org/z/qqZ9r3
>
What does "disabled by default" mean? Presumably it should now be
enabled, but I don't think this disabling happens in the mainline
kernel tree?
next prev parent reply other threads:[~2020-04-15 0:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-14 19:56 George Burgess IV
2020-04-15 0:00 ` Andrew Morton [this message]
2020-04-15 1:19 ` George Burgess
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