linux-kernel - Re: unused-variable warning is getting disabled with clang

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20171207062602.GA12561@kroah.com>
Date:   Thu, 7 Dec 2017 07:26:02 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sodagudi Prasad <psodagud@...eaurora.org>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <mmarek@...e.com>,
        Greg Hackmann <ghackmann@...gle.com>,
        linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: unused-variable warning is getting disabled with clang

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 :)