From: kernel test robot <lkp@intel.com>
To: Bill Wendling <morbo@google.com>,
Jonathan Corbet <corbet@lwn.net>,
Masahiro Yamada <masahiroy@kernel.org>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-kbuild@vger.kernel.org, clang-built-linux@googlegroups.com,
Andrew Morton <akpm@linux-foundation.org>
Cc: kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>,
Nathan Chancellor <natechancellor@gmail.com>,
Nick Desaulniers <ndesaulniers@google.com>
Subject: Re: [PATCH v3] pgo: add clang's Profile Guided Optimization infrastructure
Date: Tue, 12 Jan 2021 17:10:04 +0800 [thread overview]
Message-ID: <202101121755.pyYoRozB-lkp@intel.com> (raw)
In-Reply-To: <20210112053113.4180271-1-morbo@google.com>
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Hi Bill,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.11-rc3]
[cannot apply to powerpc/next s390/features tip/x86/core next-20210111]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Bill-Wendling/pgo-add-clang-s-Profile-Guided-Optimization-infrastructure/20210112-133315
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a0d54b4f5b219fb31f0776e9f53aa137e78ae431
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/6ab85bae7667afd0aa68c6442b7ca5c369fa1088
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Bill-Wendling/pgo-add-clang-s-Profile-Guided-Optimization-infrastructure/20210112-133315
git checkout 6ab85bae7667afd0aa68c6442b7ca5c369fa1088
# save the attached .config to linux build tree
make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
kernel/pgo/instrument.c:72:6: warning: no previous prototype for '__llvm_profile_instrument_target' [-Wmissing-prototypes]
72 | void __llvm_profile_instrument_target(u64 target_value, void *data, u32 index)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/pgo/instrument.c:135:6: warning: no previous prototype for '__llvm_profile_instrument_range' [-Wmissing-prototypes]
135 | void __llvm_profile_instrument_range(u64 target_value, void *data,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/pgo/instrument.c:179:6: warning: no previous prototype for '__llvm_profile_instrument_memop' [-Wmissing-prototypes]
179 | void __llvm_profile_instrument_memop(u64 target_value, void *data,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/__llvm_profile_instrument_memop +179 kernel/pgo/instrument.c
174
175 /*
176 * The target values are partitioned into multiple ranges. The range spec is
177 * defined in compiler-rt/include/profile/InstrProfData.inc.
178 */
> 179 void __llvm_profile_instrument_memop(u64 target_value, void *data,
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next parent reply other threads:[~2021-01-12 9:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210112053113.4180271-1-morbo@google.com>
2021-01-12 9:10 ` kernel test robot [this message]
2021-01-12 17:22 ` Nathan Chancellor
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