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From: Andrew Morton <akpm@linux-foundation.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Next Mailing List <linux-next@vger.kernel.org>,
	Victor Chibotaru <tchibo@google.com>,
	Alexander Potapenko <glider@google.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Andrey Konovalov <andreyknvl@google.com>
Subject: Re: linux-next: build warning after merge of the akpm tree
Date: Fri, 4 Dec 2020 21:19:23 -0800	[thread overview]
Message-ID: <20201204211923.a88aa12dc06b61780282dd1b@linux-foundation.org> (raw)
In-Reply-To: <20201204210000.660293c6@canb.auug.org.au>

On Fri, 4 Dec 2020 21:00:00 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> Hi all,
> 
> After merging the akpm tree, today's linux-next build (powerpc
> allyesconfig) produced warnings like this:
> 
> kernel/kcov.c:296:14: warning: conflicting types for built-in function '__sanitizer_cov_trace_switch'; expected 'void(long unsigned int,  void *)' [-Wbuiltin-declaration-mismatch]
>   296 | void notrace __sanitizer_cov_trace_switch(u64 val, u64 *cases)
>       |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Odd.  clang wants that signature, according to
https://clang.llvm.org/docs/SanitizerCoverage.html.  But gcc seems to
want a different signature.  Beats me - best I can do is to cc various
likely culprits ;)

Which gcc version?  Did you recently update gcc?

> ld: warning: orphan section `.data..Lubsan_data177' from `arch/powerpc/oprofile/op_model_pa6t.o' being placed in section `.data..Lubsan_data177'
> 
> (lots of these latter ones)
> 
> I don't know what produced these, but it is in the akpm-current or
> akpm trees.


  reply	other threads:[~2020-12-05  5:20 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-04 10:00 linux-next: build warning after merge of the akpm tree Stephen Rothwell
2020-12-05  5:19 ` Andrew Morton [this message]
2020-12-05  9:37   ` Stephen Rothwell
2020-12-07 12:08   ` Dmitry Vyukov
2020-12-07 12:38     ` Dmitry Vyukov
2020-12-07 12:52       ` Marco Elver
2020-12-09 10:06         ` Dmitry Vyukov
2020-12-08 12:01 ` Stephen Rothwell
2020-12-09  4:44   ` Michael Ellerman
2020-12-09  7:07     ` Stephen Rothwell
2020-12-10  0:19       ` Michael Ellerman
2020-12-10 21:17         ` Stephen Rothwell
2020-12-09 10:33   ` Stephen Rothwell
2020-12-09 18:56   ` Kees Cook
  -- strict thread matches above, loose matches on Subject: below --
2021-01-28  8:46 Stephen Rothwell
2021-02-01  7:14 ` Vijayanand Jitta
2020-02-28  4:35 Stephen Rothwell
2020-02-28  5:23 ` Arjun Roy
2020-01-06  6:11 Stephen Rothwell
2020-01-06  6:07 Stephen Rothwell
2020-01-07 23:11 ` Andrew Morton
2020-01-08 14:52   ` Steven Price
2018-11-30  5:40 Stephen Rothwell
2018-11-30 14:52 ` Dave Rodgman
2017-08-01  6:02 Stephen Rothwell
2017-08-01  6:15 ` Huang, Ying
2017-08-01 21:15   ` Arnd Bergmann
2017-06-26  6:30 Stephen Rothwell
2017-06-26 23:57 ` Wei Yang
2014-05-19  8:13 Stephen Rothwell
2014-05-19 15:13 ` Davidlohr Bueso
2014-05-19 19:48   ` Andrew Morton
2014-05-19 20:56     ` Davidlohr Bueso
2014-05-19 21:17       ` Andrew Morton
2014-05-19 21:36   ` Stephen Rothwell
2014-05-19 22:38     ` Davidlohr Bueso
2013-04-18  8:03 Stephen Rothwell
2013-04-10  8:33 Stephen Rothwell
2013-04-10  8:18 Stephen Rothwell
2013-02-20  6:34 Stephen Rothwell
2013-02-20 14:37 ` Peter Jones
2013-01-23  6:33 Stephen Rothwell
2013-01-23  6:43 ` Tang Chen
2012-11-09  3:43 Stephen Rothwell
2012-11-09 10:00 ` Grant Likely
2012-10-25  3:35 Stephen Rothwell
2012-04-27  5:44 Stephen Rothwell
2012-04-27  6:22 ` Cyrill Gorcunov
2012-04-27  6:28   ` Stephen Rothwell
2012-04-27  6:40     ` Cyrill Gorcunov
2011-08-10  2:13 Stephen Rothwell

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