Hi Madhuparna, > The following functions in hci_core are always called with > hdev->lock held. No need to use list_for_each_entry_rcu(), therefore > change the usage of list_for_each_entry_rcu() in these functions > to list_for_each_entry(). > > hci_link_keys_clear() > hci_smp_ltks_clear() > hci_smp_irks_clear() > hci_blocked_keys_clear() > > Warning encountered with CONFIG_PROVE_RCU_LIST: > > [ 72.213184] ============================= > [ 72.213188] WARNING: suspicious RCU usage > [ 72.213192] 5.6.0-rc1+ #5 Not tainted > [ 72.213195] ----------------------------- > [ 72.213198] net/bluetooth/hci_core.c:2288 RCU-list traversed in non-reader section!! > > [ 72.213676] ============================= > [ 72.213679] WARNING: suspicious RCU usage > [ 72.213683] 5.6.0-rc1+ #5 Not tainted > [ 72.213685] ----------------------------- > [ 72.213689] net/bluetooth/hci_core.c:2298 RCU-list traversed in non-reader section!! > > [ 72.214195] ============================= > [ 72.214198] WARNING: suspicious RCU usage > [ 72.214201] 5.6.0-rc1+ #5 Not tainted > [ 72.214204] ----------------------------- > [ 72.214208] net/bluetooth/hci_core.c:2308 RCU-list traversed in non-reader section!! > > [ 333.456972] ============================= > [ 333.456979] WARNING: suspicious RCU usage > [ 333.457001] 5.6.0-rc1+ #5 Not tainted > [ 333.457007] ----------------------------- > [ 333.457014] net/bluetooth/hci_core.c:2318 RCU-list traversed in non-reader section!! > > Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@xxxxxxxxx> > --- > net/bluetooth/hci_core.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) patch has been applied to bluetooth-next tree. Regards Marcel
