Hi Stephen,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 50cd95ac46548429e5bba7ca75cc97d11a697947
commit: 10bde81c74863472047f31304064018c40f488ee rv/monitor: Add the wip monitor
date: 3 weeks ago
config: arm64-randconfig-s032-20220820 (https://download.01.org/0day-ci/archive/20220821/[email protected]/config)
compiler: aarch64-linux-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=10bde81c74863472047f31304064018c40f488ee
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 10bde81c74863472047f31304064018c40f488ee
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash kernel/trace/rv/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <[email protected]>
sparse warnings: (new ones prefixed by >>)
kernel/trace/rv/monitors/wip/wip.c: note: in included file:
kernel/trace/rv/monitors/wip/wip.h:30:22: sparse: sparse: symbol 'automaton_wip' was not declared. Should it be static?
vim +/da_mon_wip +20 kernel/trace/rv/monitors/wip/wip.c
8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 18
8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 19 struct rv_monitor rv_wip;
8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 @20 DECLARE_DA_MON_PER_CPU(wip, unsigned char);
8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 21
:::::: The code at line 20 was first introduced by commit
:::::: 8812d21219b9c649dd25eb93915e00939944aeb7 rv/monitor: Add the wip monitor skeleton created by dot2k
:::::: TO: Daniel Bristot de Oliveira <[email protected]>
:::::: CC: Steven Rostedt (Google) <[email protected]>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
On Sun, 21 Aug 2022 03:57:25 +0800
kernel test robot <[email protected]> wrote:
> Hi Stephen,
>
I don't know who this "Stephen" is. There's no-one on the Cc list named
that.
> First bad commit (maybe != root cause):
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 50cd95ac46548429e5bba7ca75cc97d11a697947
> commit: 10bde81c74863472047f31304064018c40f488ee rv/monitor: Add the wip monitor
> date: 3 weeks ago
> config: arm64-randconfig-s032-20220820 (https://download.01.org/0day-ci/archive/20220821/[email protected]/config)
> compiler: aarch64-linux-gcc (GCC) 12.1.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # apt-get install sparse
> # sparse version: v0.6.4-39-gce1a6720-dirty
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=10bde81c74863472047f31304064018c40f488ee
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout 10bde81c74863472047f31304064018c40f488ee
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash kernel/trace/rv/
>
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <[email protected]>
>
> sparse warnings: (new ones prefixed by >>)
> kernel/trace/rv/monitors/wip/wip.c: note: in included file:
> kernel/trace/rv/monitors/wip/wip.h:30:22: sparse: sparse: symbol 'automaton_wip' was not declared. Should it be static?
So we have:
struct automaton_wip automaton_wip = {
Which is used only in the one file that includes it. I'm guessing it should
be static. Daniel?
-- Steve
>
> vim +/da_mon_wip +20 kernel/trace/rv/monitors/wip/wip.c
>
> 8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 18
> 8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 19 struct rv_monitor rv_wip;
> 8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 @20 DECLARE_DA_MON_PER_CPU(wip, unsigned char);
> 8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 21
>
> :::::: The code at line 20 was first introduced by commit
> :::::: 8812d21219b9c649dd25eb93915e00939944aeb7 rv/monitor: Add the wip monitor skeleton created by dot2k
>
> :::::: TO: Daniel Bristot de Oliveira <[email protected]>
> :::::: CC: Steven Rostedt (Google) <[email protected]>
>
On 8/22/22 16:43, Steven Rostedt wrote:
> On Sun, 21 Aug 2022 03:57:25 +0800
> kernel test robot <[email protected]> wrote:
>
>> Hi Stephen,
>>
>
> I don't know who this "Stephen" is. There's no-one on the Cc list named
> that.
>
>> First bad commit (maybe != root cause):
>>
>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head: 50cd95ac46548429e5bba7ca75cc97d11a697947
>> commit: 10bde81c74863472047f31304064018c40f488ee rv/monitor: Add the wip monitor
>> date: 3 weeks ago
>> config: arm64-randconfig-s032-20220820 (https://download.01.org/0day-ci/archive/20220821/[email protected]/config)
>> compiler: aarch64-linux-gcc (GCC) 12.1.0
>> reproduce:
>> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>> chmod +x ~/bin/make.cross
>> # apt-get install sparse
>> # sparse version: v0.6.4-39-gce1a6720-dirty
>> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=10bde81c74863472047f31304064018c40f488ee
>> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>> git fetch --no-tags linus master
>> git checkout 10bde81c74863472047f31304064018c40f488ee
>> # save the config file
>> mkdir build_dir && cp config build_dir/.config
>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash kernel/trace/rv/
>>
>> If you fix the issue, kindly add following tag where applicable
>> Reported-by: kernel test robot <[email protected]>
>>
>> sparse warnings: (new ones prefixed by >>)
>> kernel/trace/rv/monitors/wip/wip.c: note: in included file:
>> kernel/trace/rv/monitors/wip/wip.h:30:22: sparse: sparse: symbol 'automaton_wip' was not declared. Should it be static?
>
> So we have:
>
>
> struct automaton_wip automaton_wip = {
>
> Which is used only in the one file that includes it. I'm guessing it should
> be static. Daniel?
Yep, I think it should be. I will change the monitors and to dot2k tomorrow, and test them.
/me is back to work after vacations.
-- Daniel
> -- Steve
>
>
>>
>> vim +/da_mon_wip +20 kernel/trace/rv/monitors/wip/wip.c
>>
>> 8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 18
>> 8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 19 struct rv_monitor rv_wip;
>> 8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 @20 DECLARE_DA_MON_PER_CPU(wip, unsigned char);
>> 8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 21
>>
>> :::::: The code at line 20 was first introduced by commit
>> :::::: 8812d21219b9c649dd25eb93915e00939944aeb7 rv/monitor: Add the wip monitor skeleton created by dot2k
>>
>> :::::: TO: Daniel Bristot de Oliveira <[email protected]>
>> :::::: CC: Steven Rostedt (Google) <[email protected]>
>>
>