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From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Marco Elver <elver@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	Miguel Ojeda <ojeda@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build failure after merge of the origin tree
Date: Wed, 8 Sep 2021 09:09:07 +1000	[thread overview]
Message-ID: <20210908090907.74edb3a4@canb.auug.org.au> (raw)
In-Reply-To: <20210908090720.0748b861@canb.auug.org.au>

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Hi all,

On Wed, 8 Sep 2021 09:07:20 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Building Linus' tree, today's linux-next build (mips
> allmodconfig) failed like this:
> 
> In file included from /kisskb/src/include/linux/compiler_types.h:65:0,
>                  from <command-line>:0:
> include/linux/compiler_attributes.h:29:29: error: "__GCC4_has_attribute___no_sanitize_coverage__" is not defined [-Werror=undef]
>  # define __has_attribute(x) __GCC4_has_attribute_##x
>                              ^
> include/linux/compiler-gcc.h:125:29: note: in expansion of macro '__has_attribute'
>  #if defined(CONFIG_KCOV) && __has_attribute(__no_sanitize_coverage__)
>                              ^
> cc1: all warnings being treated as errors
> 
> Caused by commit
> 
>   540540d06e9d ("kcov: add __no_sanitize_coverage to fix noinstr for all architectures")
> 
> This ia a gcc 4.9 build, so presumably this?
> 
> diff -ru a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h
> --- a/include/linux/compiler_attributes.h	2021-09-08 09:03:35.169225661 +1000
> +++ b/include/linux/compiler_attributes.h	2021-09-08 09:05:47.790907780 +1000
> @@ -36,6 +36,7 @@
>  # define __GCC4_has_attribute___no_profile_instrument_function__ 0
>  # define __GCC4_has_attribute___nonstring__           0
>  # define __GCC4_has_attribute___no_sanitize_address__ 1
> +# define __GCC4_has_attribute___no_sanitize_coverage__	0
>  # define __GCC4_has_attribute___no_sanitize_undefined__ 1
>  # define __GCC4_has_attribute___fallthrough__         0
>  #endif

Just to be clear, I haven't tested the above in any way.

-- 
Cheers,
Stephen Rothwell

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  reply	other threads:[~2021-09-07 23:09 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-07 23:07 linux-next: build failure after merge of the origin tree Stephen Rothwell
2021-09-07 23:09 ` Stephen Rothwell [this message]
2021-09-07 23:17   ` Marco Elver
2021-09-07 23:38     ` Miguel Ojeda
  -- strict thread matches above, loose matches on Subject: below --
2023-06-30  2:59 Stephen Rothwell
2023-06-30  3:43 ` Linus Torvalds
2021-09-19 23:42 Stephen Rothwell
2021-09-14  0:08 Stephen Rothwell
2021-09-14  0:19 ` Linus Torvalds
2021-09-14  0:24   ` Linus Torvalds
2021-09-14  0:58     ` Stephen Rothwell
2021-09-14  1:29       ` Linus Torvalds
2021-09-14  1:37         ` Linus Torvalds
2021-09-14  2:03           ` Linus Torvalds
2021-09-14  2:08         ` Stephen Rothwell
2021-09-14  2:12           ` Linus Torvalds
2021-09-14  2:50             ` Michael Ellerman
2021-09-14 12:21             ` Michael Ellerman
2021-09-14  2:39           ` Stephen Rothwell
2020-07-30 22:58 Stephen Rothwell
2020-07-30 23:15 ` Stephen Rothwell
2020-07-29 23:08 Stephen Rothwell
2020-07-29 23:43 ` Linus Torvalds
2020-07-30  0:09   ` Linus Torvalds
2020-07-30  2:12     ` Linus Torvalds
2020-07-30  2:30       ` Willy Tarreau
2020-07-30  3:17   ` Kees Cook
2020-07-30  3:22     ` Willy Tarreau
2020-07-30  6:14       ` Willy Tarreau
2020-07-30  9:59         ` Marc Zyngier
2020-07-30 10:09           ` Catalin Marinas
2020-07-30 15:00             ` Will Deacon
2020-07-30 17:49         ` Kees Cook
2020-07-30 18:24     ` Linus Torvalds
2020-07-30 18:47       ` Kees Cook
2020-06-04 22:37 Stephen Rothwell
2020-06-05  0:04 ` Josh Poimboeuf
2020-06-05  9:48   ` Jessica Yu
2020-04-20 10:23 Stephen Rothwell
2020-01-31  4:12 Stephen Rothwell
2020-01-31  4:17 ` Randy Dunlap
2020-01-31  9:39   ` Daniel Lezcano
2012-10-09 23:21 Stephen Rothwell
2012-10-09 23:45 ` Andrew Morton
2012-10-09 23:52   ` Yasuaki Ishimatsu
2012-10-10  3:12     ` Stephen Rothwell
2012-10-10  0:07   ` Stephen Rothwell
2012-06-04  2:57 Stephen Rothwell
2012-06-04  7:39 ` Paul Mundt
2012-01-18 23:31 Stephen Rothwell
2012-01-19  8:21 ` Jens Axboe
2012-01-19  8:23   ` Jens Axboe
2011-11-06 23:12 Stephen Rothwell
2011-11-07  1:52 ` David Miller
2011-11-07  2:47   ` Stephen Rothwell
2011-11-07  3:36     ` David Miller
2011-11-07  5:29       ` Kirsher, Jeffrey T
2011-11-07 16:46         ` Rose, Gregory V
2011-11-07 17:46           ` Rose, Gregory V
2011-07-25  1:16 Stephen Rothwell

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