linux-kernel - Re: linux-next: Tree for Nov 19 (kcsan)

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Message-ID: <e75be639-110a-c615-3ec7-a107318b7746@infradead.org>
Date:   Tue, 19 Nov 2019 07:11:21 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kasan-dev@...glegroups.com, Dmitry Vyukov <dvyukov@...gle.com>,
        Marco Elver <elver@...gle.com>
Subject: Re: linux-next: Tree for Nov 19 (kcsan)

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@...radead.org>