Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: linux-next: Tree for Nov 19 (kcsan)
To:     Stephen Rothwell <sfr@canb.auug.org.au>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        kasan-dev@googlegroups.com, Dmitry Vyukov <dvyukov@google.com>,
        Marco Elver <elver@google.com>
References: <20191119194658.39af50d0@canb.auug.org.au>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <e75be639-110a-c615-3ec7-a107318b7746@infradead.org>
Date:   Tue, 19 Nov 2019 07:11:21 -0800
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.1.1
MIME-Version: 1.0
In-Reply-To: <20191119194658.39af50d0@canb.auug.org.au>
Content-Type: text/plain; charset=windows-1252
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 11/19/19 12:46 AM, Stephen Rothwell wrote:
> Hi all,
> 
> Changes since 20191118:
> 

on x86_64:

It seems that this function can already be known by the compiler as a
builtin:

../kernel/kcsan/core.c:619:6: warning: conflicting types for built-in function ?__tsan_func_exit? [-Wbuiltin-declaration-mismatch]
 void __tsan_func_exit(void)
      ^~~~~~~~~~~~~~~~


$ gcc --version
gcc (SUSE Linux) 7.4.1 20190905 [gcc-7-branch revision 275407]

-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@infradead.org>