Re: [PATCH v8 4/4] kunit: Add documentation for warning backtrace suppression API

From: kernel test robot <lkp@intel.com>
To: Albert Esteve <aesteve@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
	Brendan Higgins <brendan.higgins@linux.dev>,
	David Gow <david@davidgow.net>, Rae Moar <raemoar63@gmail.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>
Cc: oe-kbuild-all@lists.linux.dev,
	Linux Memory Management List <linux-mm@kvack.org>,
	linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com,
	dri-devel@lists.freedesktop.org, workflows@vger.kernel.org,
	linux-riscv@lists.infradead.org, linux-doc@vger.kernel.org,
	peterz@infradead.org, Guenter Roeck <linux@roeck-us.net>,
	Linux Kernel Functional Testing <lkft@linaro.org>,
	Dan Carpenter <error27@gmail.com>,
	Alessandro Carminati <acarmina@redhat.com>
Subject: Re: [PATCH v8 4/4] kunit: Add documentation for warning backtrace suppression API
Date: Wed, 13 May 2026 08:12:05 +0200	[thread overview]
Message-ID: <202605130826.e6Lyyytr-lkp@intel.com> (raw)
In-Reply-To: <20260504-kunit_add_support-v8-4-3e5957cdd235@redhat.com>

Hi Alessandro,

kernel test robot noticed the following build errors:

[auto build test ERROR on 80234b5ab240f52fa45d201e899e207b9265ef91]

url:    https://github.com/intel-lab-lkp/linux/commits/Albert-Esteve/bug-kunit-Core-support-for-suppressing-warning-backtraces/20260513-043807
base:   80234b5ab240f52fa45d201e899e207b9265ef91
patch link:    https://lore.kernel.org/r/20260504-kunit_add_support-v8-4-3e5957cdd235%40redhat.com
patch subject: [PATCH v8 4/4] kunit: Add documentation for warning backtrace suppression API
config: x86_64-rhel-9.4-ltp (https://download.01.org/0day-ci/archive/20260513/202605130826.e6Lyyytr-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260513/202605130826.e6Lyyytr-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605130826.e6Lyyytr-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/drm_buddy.c:6:
>> include/kunit/test-bug.h:90:15: error: unknown type name 'bool'
      90 | static inline bool kunit_is_suppressed_warning(bool count) { return false; }
         |               ^~~~
   include/kunit/test-bug.h:13:1: note: 'bool' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
      12 | #include <linux/stddef.h> /* for NULL */
     +++ |+#include <stdbool.h>
      13 | 
   include/kunit/test-bug.h:90:48: error: unknown type name 'bool'
      90 | static inline bool kunit_is_suppressed_warning(bool count) { return false; }
         |                                                ^~~~
   include/kunit/test-bug.h:90:48: note: 'bool' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'

vim +/bool +90 include/kunit/test-bug.h

    88	
    89	static inline struct kunit *kunit_get_current_test(void) { return NULL; }
  > 90	static inline bool kunit_is_suppressed_warning(bool count) { return false; }
    91	

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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