From: kernel test robot <lkp@intel.com>
To: Peter Collingbourne <pcc@google.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, Will Deacon <will@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>
Subject: arch/arm64/kernel/mte.c:197:13: warning: no previous prototype for function 'kasan_hw_tags_enable'
Date: Wed, 1 Jun 2022 21:37:34 +0800 [thread overview]
Message-ID: <202206012143.S2fcThHk-lkp@intel.com> (raw)
Hi Peter,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 700170bf6b4d773e328fa54ebb70ba444007c702
commit: e5af50a5df571c1d0268b02f924de49b742c990f arm64: kasan: mte: move GCR_EL1 switch to task switch when KASAN disabled
date: 8 months ago
config: arm64-buildonly-randconfig-r001-20220531 (https://download.01.org/0day-ci/archive/20220601/202206012143.S2fcThHk-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c825abd6b0198fb088d9752f556a70705bc99dfd)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e5af50a5df571c1d0268b02f924de49b742c990f
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e5af50a5df571c1d0268b02f924de49b742c990f
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
Note: functions only called from assembly code should be annotated with the asmlinkage attribute
All warnings (new ones prefixed by >>):
>> arch/arm64/kernel/mte.c:197:13: warning: no previous prototype for function 'kasan_hw_tags_enable' [-Wmissing-prototypes]
void __init kasan_hw_tags_enable(struct alt_instr *alt, __le32 *origptr,
^
arch/arm64/kernel/mte.c:197:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __init kasan_hw_tags_enable(struct alt_instr *alt, __le32 *origptr,
^
static
arch/arm64/kernel/mte.c:103:20: warning: unused function '__mte_enable_kernel' [-Wunused-function]
static inline void __mte_enable_kernel(const char *mode, unsigned long tcf)
^
2 warnings generated.
vim +/kasan_hw_tags_enable +197 arch/arm64/kernel/mte.c
196
> 197 void __init kasan_hw_tags_enable(struct alt_instr *alt, __le32 *origptr,
198 __le32 *updptr, int nr_inst)
199 {
200 BUG_ON(nr_inst != 1); /* Branch -> NOP */
201
202 if (kasan_hw_tags_enabled())
203 *updptr = cpu_to_le32(aarch64_insn_gen_nop());
204 }
205
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-06-01 13:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-01 13:37 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-03-11 20:54 arch/arm64/kernel/mte.c:197:13: warning: no previous prototype for function 'kasan_hw_tags_enable' kernel test robot
2022-02-06 3:22 kernel test robot
2022-02-06 3:22 ` kernel test robot
2022-01-05 3:55 kernel test robot
2022-01-05 3:55 ` kernel test robot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202206012143.S2fcThHk-lkp@intel.com \
--to=lkp@intel.com \
--cc=catalin.marinas@arm.com \
--cc=kbuild-all@lists.01.org \
--cc=linux-kernel@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=pcc@google.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.