From: kernel test robot <lkp at intel.com>
To: mptcp at lists.01.org
Subject: [MPTCP] [mptcp:export 776/783] net/core/sock.c:2489:6: warning: no previous prototype for '__lock_sock'
Date: Fri, 20 Nov 2020 07:23:42 +0800 [thread overview]
Message-ID: <202011200739.BD7L9HsC-lkp@intel.com> (raw)
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Hi Paolo,
FYI, the error/warning still remains.
tree: https://github.com/multipath-tcp/mptcp_net-next.git export
head: 502db67b77b326a9be8f3bb3515a09b83a8a1fd4
commit: 91e9b96e7c81bb06efcbd05a454d61c735f8c519 [776/783] mptcp: open code mptcp variant for lock_sock
config: nds32-randconfig-r032-20201119 (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.3.0
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/multipath-tcp/mptcp_net-next/commit/91e9b96e7c81bb06efcbd05a454d61c735f8c519
git remote add mptcp https://github.com/multipath-tcp/mptcp_net-next.git
git fetch --no-tags mptcp export
git checkout 91e9b96e7c81bb06efcbd05a454d61c735f8c519
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
>> net/core/sock.c:2489:6: warning: no previous prototype for '__lock_sock' [-Wmissing-prototypes]
2489 | void __lock_sock(struct sock *sk)
| ^~~~~~~~~~~
vim +/__lock_sock +2489 net/core/sock.c
2488
> 2489 void __lock_sock(struct sock *sk)
2490 __releases(&sk->sk_lock.slock)
2491 __acquires(&sk->sk_lock.slock)
2492 {
2493 DEFINE_WAIT(wait);
2494
2495 for (;;) {
2496 prepare_to_wait_exclusive(&sk->sk_lock.wq, &wait,
2497 TASK_UNINTERRUPTIBLE);
2498 spin_unlock_bh(&sk->sk_lock.slock);
2499 schedule();
2500 spin_lock_bh(&sk->sk_lock.slock);
2501 if (!sock_owned_by_user(sk))
2502 break;
2503 }
2504 finish_wait(&sk->sk_lock.wq, &wait);
2505 }
2506
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [mptcp:export 776/783] net/core/sock.c:2489:6: warning: no previous prototype for '__lock_sock'
Date: Fri, 20 Nov 2020 07:23:42 +0800 [thread overview]
Message-ID: <202011200739.BD7L9HsC-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 2028 bytes --]
Hi Paolo,
FYI, the error/warning still remains.
tree: https://github.com/multipath-tcp/mptcp_net-next.git export
head: 502db67b77b326a9be8f3bb3515a09b83a8a1fd4
commit: 91e9b96e7c81bb06efcbd05a454d61c735f8c519 [776/783] mptcp: open code mptcp variant for lock_sock
config: nds32-randconfig-r032-20201119 (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.3.0
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/multipath-tcp/mptcp_net-next/commit/91e9b96e7c81bb06efcbd05a454d61c735f8c519
git remote add mptcp https://github.com/multipath-tcp/mptcp_net-next.git
git fetch --no-tags mptcp export
git checkout 91e9b96e7c81bb06efcbd05a454d61c735f8c519
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32
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 >>):
>> net/core/sock.c:2489:6: warning: no previous prototype for '__lock_sock' [-Wmissing-prototypes]
2489 | void __lock_sock(struct sock *sk)
| ^~~~~~~~~~~
vim +/__lock_sock +2489 net/core/sock.c
2488
> 2489 void __lock_sock(struct sock *sk)
2490 __releases(&sk->sk_lock.slock)
2491 __acquires(&sk->sk_lock.slock)
2492 {
2493 DEFINE_WAIT(wait);
2494
2495 for (;;) {
2496 prepare_to_wait_exclusive(&sk->sk_lock.wq, &wait,
2497 TASK_UNINTERRUPTIBLE);
2498 spin_unlock_bh(&sk->sk_lock.slock);
2499 schedule();
2500 spin_lock_bh(&sk->sk_lock.slock);
2501 if (!sock_owned_by_user(sk))
2502 break;
2503 }
2504 finish_wait(&sk->sk_lock.wq, &wait);
2505 }
2506
---
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 reply other threads:[~2020-11-19 23:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 23:23 kernel test robot [this message]
2020-11-19 23:23 ` [mptcp:export 776/783] net/core/sock.c:2489:6: warning: no previous prototype for '__lock_sock' kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2020-11-19 18:56 [MPTCP] " kernel test robot
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