From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Sodagudi Prasad <psodagud@codeaurora.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>,
Michal Marek <mmarek@suse.com>,
Greg Hackmann <ghackmann@google.com>,
linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: unused-variable warning is getting disabled with clang
Date: Thu, 7 Dec 2017 07:26:02 +0100 [thread overview]
Message-ID: <20171207062602.GA12561@kroah.com> (raw)
In-Reply-To: <56cef2a644acc458b9457e3147abc4c0@codeaurora.org>
On Wed, Dec 06, 2017 at 01:24:51PM -0800, Sodagudi Prasad wrote:
>
> Hi All,
>
> When kernel compiled with clang, following line is disabling the
> unused-variable warning. This is not the case with gcc.
> KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)
>
> Are there any specific reasons for disabling unused-variable with clang?
Try it and see why it is disabled :)
next prev parent reply other threads:[~2017-12-07 6:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-06 21:24 unused-variable warning is getting disabled with clang Sodagudi Prasad
2017-12-07 6:26 ` Greg Kroah-Hartman [this message]
2017-12-08 2:16 ` Sodagudi Prasad
2017-12-18 15:32 ` Masahiro Yamada
2018-01-27 0:59 ` [PATCH] kbuild: clang: Disable -Wunused-const-variable warnings Prasad Sodagudi
2018-01-28 16:22 ` Segher Boessenkool
2018-01-29 16:35 ` Sodagudi Prasad
2018-01-29 17:08 ` Prasad Sodagudi
2018-01-29 23:57 ` Segher Boessenkool
2018-02-02 16:01 ` Masahiro Yamada
2018-02-06 23:46 ` [PATCH] kbuild: clang: disable unused variable warnings only when constant Prasad Sodagudi
2018-02-07 0:22 ` Masahiro Yamada
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