From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v2 2/5] futex2: Implement vectorized wait
Date: Sun, 05 Sep 2021 08:59:04 +0800 [thread overview]
Message-ID: <202109050843.nShLOBzK-lkp@intel.com> (raw)
In-Reply-To: <20210904231159.13292-3-andrealmeid@collabora.com>
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Hi "André,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on next-20210903]
[cannot apply to tip/locking/core asm-generic/master tip/x86/asm v5.14]
[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/Andr-Almeida/futex2-Add-wait-on-multiple-futexes-syscall/20210905-071424
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 49624efa65ac9889f4e7c7b2452b2e6ce42ba37d
config: alpha-randconfig-r035-20210905 (attached as .config)
compiler: alpha-linux-gcc (GCC) 11.2.0
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
# https://github.com/0day-ci/linux/commit/9bd5ae4e55f30178347d0bc62e16ce0f009e78e0
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Andr-Almeida/futex2-Add-wait-on-multiple-futexes-syscall/20210905-071424
git checkout 9bd5ae4e55f30178347d0bc62e16ce0f009e78e0
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash kernel/sched/
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 >>):
In file included from kernel/sched/sched.h:41,
from kernel/sched/core.c:13:
>> include/linux/compat.h:691:40: warning: 'struct futex_waitv' declared inside parameter list will not be visible outside of this definition or declaration
691 | asmlinkage long sys_futex_waitv(struct futex_waitv *waiters,
| ^~~~~~~~~~~
kernel/sched/core.c: In function 'ttwu_stat':
kernel/sched/core.c:3482:20: warning: variable 'rq' set but not used [-Wunused-but-set-variable]
3482 | struct rq *rq;
| ^~
--
In file included from kernel/sched/sched.h:41,
from kernel/sched/loadavg.c:9:
>> include/linux/compat.h:691:40: warning: 'struct futex_waitv' declared inside parameter list will not be visible outside of this definition or declaration
691 | asmlinkage long sys_futex_waitv(struct futex_waitv *waiters,
| ^~~~~~~~~~~
--
In file included from kernel/sched/sched.h:41,
from kernel/sched/fair.c:23:
>> include/linux/compat.h:691:40: warning: 'struct futex_waitv' declared inside parameter list will not be visible outside of this definition or declaration
691 | asmlinkage long sys_futex_waitv(struct futex_waitv *waiters,
| ^~~~~~~~~~~
kernel/sched/fair.c:5482:6: warning: no previous prototype for 'init_cfs_bandwidth' [-Wmissing-prototypes]
5482 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {}
| ^~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11604:6: warning: no previous prototype for 'free_fair_sched_group' [-Wmissing-prototypes]
11604 | void free_fair_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11606:5: warning: no previous prototype for 'alloc_fair_sched_group' [-Wmissing-prototypes]
11606 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent)
| ^~~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11611:6: warning: no previous prototype for 'online_fair_sched_group' [-Wmissing-prototypes]
11611 | void online_fair_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11613:6: warning: no previous prototype for 'unregister_fair_sched_group' [-Wmissing-prototypes]
11613 | void unregister_fair_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from kernel/sched/sched.h:41,
from kernel/sched/rt.c:6:
>> include/linux/compat.h:691:40: warning: 'struct futex_waitv' declared inside parameter list will not be visible outside of this definition or declaration
691 | asmlinkage long sys_futex_waitv(struct futex_waitv *waiters,
| ^~~~~~~~~~~
kernel/sched/rt.c:253:6: warning: no previous prototype for 'free_rt_sched_group' [-Wmissing-prototypes]
253 | void free_rt_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~
kernel/sched/rt.c:255:5: warning: no previous prototype for 'alloc_rt_sched_group' [-Wmissing-prototypes]
255 | int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent)
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/rt.c:669:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
669 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
vim +691 include/linux/compat.h
675
676 /* kernel/exit.c */
677 asmlinkage long compat_sys_waitid(int, compat_pid_t,
678 struct compat_siginfo __user *, int,
679 struct compat_rusage __user *);
680
681
682
683 /* kernel/futex.c */
684 asmlinkage long
685 compat_sys_set_robust_list(struct compat_robust_list_head __user *head,
686 compat_size_t len);
687 asmlinkage long
688 compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
689 compat_size_t __user *len_ptr);
690
> 691 asmlinkage long sys_futex_waitv(struct futex_waitv *waiters,
692 compat_uint_t nr_futexes, compat_uint_t flags,
693 struct __kernel_timespec __user *timo);
694 /* kernel/itimer.c */
695 asmlinkage long compat_sys_getitimer(int which,
696 struct old_itimerval32 __user *it);
697 asmlinkage long compat_sys_setitimer(int which,
698 struct old_itimerval32 __user *in,
699 struct old_itimerval32 __user *out);
700
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2021-09-05 0:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-04 23:11 [PATCH v2 0/5] futex2: Add wait on multiple futexes syscall André Almeida
2021-09-04 23:11 ` [PATCH v2 1/5] futex: Prepare for futex_wait_multiple() André Almeida
2021-09-04 23:11 ` [PATCH v2 2/5] futex2: Implement vectorized wait André Almeida
2021-09-05 0:58 ` kernel test robot
2021-09-05 0:58 ` kernel test robot
2021-09-05 0:59 ` kernel test robot [this message]
2021-09-04 23:11 ` [PATCH v2 3/5] futex2: wire up syscall for x86 André Almeida
2021-09-05 10:14 ` kernel test robot
2021-09-05 10:14 ` kernel test robot
2021-09-04 23:11 ` [PATCH v2 4/5] selftests: futex2: Add waitv test André Almeida
2021-09-04 23:11 ` [PATCH v2 5/5] selftests: futex2: Test futex_waitv timeout André Almeida
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