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SubjectRe: [rcu:dev.2019.12.08a 37/105] net/tipc/crypto.c:261:39: error: implicit declaration of function 'lockdep_is_held'; did you mean 'lockdep_rtnl_is_held'?
On Tue, Dec 10, 2019 at 09:38:21AM +0800, kbuild test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2019.12.08a
> head: 27628657c4a5dc4ed361a933fd368059d1653ac2
> commit: 60a637364607f8086690fe03d31ca2f255c6e79e [37/105] rcu: Remove rcu_swap_protected()
> config: c6x-allyesconfig (attached as .config)
> compiler: c6x-elf-gcc (GCC) 7.5.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout 60a637364607f8086690fe03d31ca2f255c6e79e
> # save the attached .config to linux build tree
> GCC_VERSION=7.5.0 make.cross ARCH=c6x
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):

Another use slipped in about a month ago! I have queued a patch
with your Reported-by fixing it, thank you!

Thanx, Paul

> net/tipc/crypto.c: In function 'tipc_crypto_key_try_align':
> net/tipc/crypto.c:261:2: error: implicit declaration of function 'rcu_swap_protected'; did you mean 'rcu_sync_enter'? [-Werror=implicit-function-declaration]
> rcu_swap_protected((rcu_ptr), (ptr), lockdep_is_held(lock))
> ^
> net/tipc/crypto.c:1192:3: note: in expansion of macro 'tipc_aead_rcu_swap'
> tipc_aead_rcu_swap(rx->aead[key.passive], tmp2, &rx->lock);
> ^~~~~~~~~~~~~~~~~~
> >> net/tipc/crypto.c:261:39: error: implicit declaration of function 'lockdep_is_held'; did you mean 'lockdep_rtnl_is_held'? [-Werror=implicit-function-declaration]
> rcu_swap_protected((rcu_ptr), (ptr), lockdep_is_held(lock))
> ^
> net/tipc/crypto.c:1192:3: note: in expansion of macro 'tipc_aead_rcu_swap'
> tipc_aead_rcu_swap(rx->aead[key.passive], tmp2, &rx->lock);
> ^~~~~~~~~~~~~~~~~~
> cc1: some warnings being treated as errors
>
> vim +261 net/tipc/crypto.c
>
> fc1b6d6de22087 Tuong Lien 2019-11-08 256
> fc1b6d6de22087 Tuong Lien 2019-11-08 257 #define tipc_aead_rcu_ptr(rcu_ptr, lock) \
> fc1b6d6de22087 Tuong Lien 2019-11-08 258 rcu_dereference_protected((rcu_ptr), lockdep_is_held(lock))
> fc1b6d6de22087 Tuong Lien 2019-11-08 259
> fc1b6d6de22087 Tuong Lien 2019-11-08 260 #define tipc_aead_rcu_swap(rcu_ptr, ptr, lock) \
> fc1b6d6de22087 Tuong Lien 2019-11-08 @261 rcu_swap_protected((rcu_ptr), (ptr), lockdep_is_held(lock))
> fc1b6d6de22087 Tuong Lien 2019-11-08 262
>
> :::::: The code at line 261 was first introduced by commit
> :::::: fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 tipc: introduce TIPC encryption & authentication
>
> :::::: TO: Tuong Lien <tuong.t.lien@dektech.com.au>
> :::::: CC: David S. Miller <davem@davemloft.net>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation


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