[rcu:dev.2019.12.08a 37/105] drivers/net//wireless/mediatek/mt76/agg-rx.c:284:2: error: implicit declaration of function 'rcu_swap_protected'; did you mean 'mem_cgroup_protected'?

From: kbuild test robot
Date: Mon Dec 09 2019 - 21:06:54 EST


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: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-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=sparc64

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

drivers/net//wireless/mediatek/mt76/agg-rx.c: In function 'mt76_rx_aggr_stop':
>> drivers/net//wireless/mediatek/mt76/agg-rx.c:284:2: error: implicit declaration of function 'rcu_swap_protected'; did you mean 'mem_cgroup_protected'? [-Werror=implicit-function-declaration]
rcu_swap_protected(wcid->aggr[tidno], tid,
^~~~~~~~~~~~~~~~~~
mem_cgroup_protected
cc1: some warnings being treated as errors
--
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);
^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +284 drivers/net//wireless/mediatek/mt76/agg-rx.c

aee5b8cf2477bb Felix Fietkau 2018-01-24 279
aee5b8cf2477bb Felix Fietkau 2018-01-24 280 void mt76_rx_aggr_stop(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tidno)
aee5b8cf2477bb Felix Fietkau 2018-01-24 281 {
fb7d95c6ee4f71 Felix Fietkau 2019-10-07 282 struct mt76_rx_tid *tid = NULL;
aee5b8cf2477bb Felix Fietkau 2018-01-24 283
fb7d95c6ee4f71 Felix Fietkau 2019-10-07 @284 rcu_swap_protected(wcid->aggr[tidno], tid,

:::::: The code at line 284 was first introduced by commit
:::::: fb7d95c6ee4f71ba131c9b3c65d658369ffd1128 mt76: drop rcu read lock in mt76_rx_aggr_stop

:::::: TO: Felix Fietkau <nbd@xxxxxxxx>
:::::: CC: Felix Fietkau <nbd@xxxxxxxx>

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