From: kbuild test robot <lkp@intel.com>
To: Marco Elver <elver@google.com>
Cc: kbuild-all@lists.01.org, elver@google.com, akiyks@gmail.com,
stern@rowland.harvard.edu, glider@google.com,
parri.andrea@gmail.com, andreyknvl@google.com, luto@kernel.org,
ard.biesheuvel@linaro.org, arnd@arndb.de, boqun.feng@gmail.com,
bp@alien8.de, dja@axtens.net, dlustig@nvidia.com,
dave.hansen@linux.intel.com, dhowells@redhat.com,
dvyukov@google.com, hpa@zytor.com, mingo@redhat.com,
j.alglave@ucl.ac.uk, joel@joelfernandes.org, corbet@lwn.net,
jpoimboe@redhat.com, luc.maranget@inria.fr, mark.rutland@arm.com,
npiggin@gmail.com, paulmck@kernel.org, peterz@infradead.org,
tglx@linutronix.de, will@kernel.org, kasan-dev@googlegroups.com,
linux-arch@vger.kernel.org, linux-doc@vger.kernel.org,
linux-efi@vger.kernel.org, linux-kbuild@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org
Subject: Re: [PATCH v3 1/9] kcsan: Add Kernel Concurrency Sanitizer infrastructure
Date: Thu, 7 Nov 2019 04:34:57 +0800 [thread overview]
Message-ID: <201911070445.vRUSVUAX%lkp@intel.com> (raw)
In-Reply-To: <20191104142745.14722-2-elver@google.com>
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Hi Marco,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.4-rc6]
[cannot apply to next-20191106]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Marco-Elver/Add-Kernel-Concurrency-Sanitizer-KCSAN/20191105-002542
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a99d8080aaf358d5d23581244e5da23b35e340b9
config: x86_64-randconfig-a004-201944 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/compiler_types.h:59:0,
from <command-line>:0:
>> include/linux/compiler_attributes.h:35:29: warning: "__GCC4_has_attribute___no_sanitize_thread__" is not defined [-Wundef]
# define __has_attribute(x) __GCC4_has_attribute_##x
^
>> include/linux/compiler-gcc.h:148:5: note: in expansion of macro '__has_attribute'
#if __has_attribute(__no_sanitize_thread__) && defined(__SANITIZE_THREAD__)
^
--
In file included from include/linux/compiler_types.h:59:0,
from <command-line>:0:
>> include/linux/compiler_attributes.h:35:29: warning: "__GCC4_has_attribute___no_sanitize_thread__" is not defined [-Wundef]
# define __has_attribute(x) __GCC4_has_attribute_##x
^
>> include/linux/compiler-gcc.h:148:5: note: in expansion of macro '__has_attribute'
#if __has_attribute(__no_sanitize_thread__) && defined(__SANITIZE_THREAD__)
^
fs/afs/dynroot.c: In function 'afs_dynroot_lookup':
fs/afs/dynroot.c:117:6: warning: 'len' may be used uninitialized in this function [-Wmaybe-uninitialized]
ret = lookup_one_len(name, dentry->d_parent, len);
^
fs/afs/dynroot.c:91:6: note: 'len' was declared here
int len;
^
--
In file included from include/linux/compiler_types.h:59:0,
from <command-line>:0:
>> include/linux/compiler_attributes.h:35:29: warning: "__GCC4_has_attribute___no_sanitize_thread__" is not defined [-Wundef]
# define __has_attribute(x) __GCC4_has_attribute_##x
^
>> include/linux/compiler-gcc.h:148:5: note: in expansion of macro '__has_attribute'
#if __has_attribute(__no_sanitize_thread__) && defined(__SANITIZE_THREAD__)
^
7 real 2 user 5 sys 107.26% cpu make modules_prepare
--
In file included from include/linux/compiler_types.h:59:0,
from <command-line>:0:
>> include/linux/compiler_attributes.h:35:29: warning: "__GCC4_has_attribute___no_sanitize_thread__" is not defined [-Wundef]
# define __has_attribute(x) __GCC4_has_attribute_##x
^
>> include/linux/compiler-gcc.h:148:5: note: in expansion of macro '__has_attribute'
#if __has_attribute(__no_sanitize_thread__) && defined(__SANITIZE_THREAD__)
^
In file included from include/linux/compiler_types.h:59:0,
from <command-line>:0:
>> include/linux/compiler_attributes.h:35:29: warning: "__GCC4_has_attribute___no_sanitize_thread__" is not defined [-Wundef]
# define __has_attribute(x) __GCC4_has_attribute_##x
^
>> include/linux/compiler-gcc.h:148:5: note: in expansion of macro '__has_attribute'
#if __has_attribute(__no_sanitize_thread__) && defined(__SANITIZE_THREAD__)
^
In file included from include/linux/compiler_types.h:59:0,
from <command-line>:0:
>> include/linux/compiler_attributes.h:35:29: warning: "__GCC4_has_attribute___no_sanitize_thread__" is not defined [-Wundef]
# define __has_attribute(x) __GCC4_has_attribute_##x
^
>> include/linux/compiler-gcc.h:148:5: note: in expansion of macro '__has_attribute'
#if __has_attribute(__no_sanitize_thread__) && defined(__SANITIZE_THREAD__)
^
In file included from include/linux/compiler_types.h:59:0,
from <command-line>:0:
>> include/linux/compiler_attributes.h:35:29: warning: "__GCC4_has_attribute___no_sanitize_thread__" is not defined [-Wundef]
# define __has_attribute(x) __GCC4_has_attribute_##x
^
>> include/linux/compiler-gcc.h:148:5: note: in expansion of macro '__has_attribute'
#if __has_attribute(__no_sanitize_thread__) && defined(__SANITIZE_THREAD__)
^
In file included from include/linux/compiler_types.h:59:0,
from <command-line>:0:
>> include/linux/compiler_attributes.h:35:29: warning: "__GCC4_has_attribute___no_sanitize_thread__" is not defined [-Wundef]
# define __has_attribute(x) __GCC4_has_attribute_##x
^
>> include/linux/compiler-gcc.h:148:5: note: in expansion of macro '__has_attribute'
#if __has_attribute(__no_sanitize_thread__) && defined(__SANITIZE_THREAD__)
^
8 real 24 user 10 sys 405.87% cpu make prepare
vim +/__has_attribute +148 include/linux/compiler-gcc.h
147
> 148 #if __has_attribute(__no_sanitize_thread__) && defined(__SANITIZE_THREAD__)
149 #define __no_sanitize_thread \
150 __attribute__((__noinline__)) __attribute__((no_sanitize_thread))
151 #else
152 #define __no_sanitize_thread
153 #endif
154
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
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next prev parent reply other threads:[~2019-11-06 20:36 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-04 14:27 [PATCH v3 0/9] Add Kernel Concurrency Sanitizer (KCSAN) Marco Elver
2019-11-04 14:27 ` [PATCH v3 1/9] kcsan: Add Kernel Concurrency Sanitizer infrastructure Marco Elver
2019-11-06 9:38 ` Dmitry Vyukov
2019-11-06 10:03 ` Marco Elver
2019-11-06 19:11 ` Marco Elver
2019-11-06 19:59 ` kbuild test robot
2019-11-06 20:34 ` kbuild test robot [this message]
2019-11-07 18:43 ` Marco Elver
2019-11-07 21:08 ` Bhupesh Sharma
2019-11-08 14:23 ` Marco Elver
2019-11-04 14:27 ` [PATCH v3 2/9] kcsan: Add Documentation entry in dev-tools Marco Elver
2019-11-04 14:27 ` [PATCH v3 3/9] objtool, kcsan: Add KCSAN runtime functions to whitelist Marco Elver
2019-11-04 14:27 ` [PATCH v3 4/9] build, kcsan: Add KCSAN build exceptions Marco Elver
2019-11-04 14:27 ` [PATCH v3 5/9] seqlock, kcsan: Add annotations for KCSAN Marco Elver
2019-11-05 11:35 ` kbuild test robot
2019-11-05 15:22 ` Marco Elver
2019-11-04 14:27 ` [PATCH v3 6/9] seqlock: Require WRITE_ONCE surrounding raw_seqcount_barrier Marco Elver
2019-11-04 14:27 ` [PATCH v3 7/9] asm-generic, kcsan: Add KCSAN instrumentation for bitops Marco Elver
2019-11-04 14:27 ` [PATCH v3 8/9] locking/atomics, kcsan: Add KCSAN instrumentation Marco Elver
2019-11-04 14:27 ` [PATCH v3 9/9] x86, kcsan: Enable KCSAN for x86 Marco Elver
2019-11-04 16:47 ` [PATCH v3 0/9] Add Kernel Concurrency Sanitizer (KCSAN) Paul E. McKenney
2019-11-04 18:41 ` Marco Elver
2019-11-04 19:46 ` Paul E. McKenney
2019-11-05 11:10 ` Marco Elver
2019-11-05 14:20 ` Paul E. McKenney
2019-11-05 15:25 ` Marco Elver
2019-11-14 18:05 ` Marco Elver
2019-11-14 19:48 ` Paul E. McKenney
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