Hi Andrew, > -----Original Message----- > From: Andrew Lunn [mailto:and...@lunn.ch] > Sent: Saturday, June 17, 2017 8:46 PM > To: Salil Mehta > Cc: da...@davemloft.net; Zhuangyuzeng (Yisen); huangdaode; lipeng (Y); > mehta.salil....@gmail.com; netdev@vger.kernel.org; linux- > ker...@vger.kernel.org; Linuxarm > Subject: Re: [PATCH V3 net-next 2/8] net: hns3: Add support of the > HNAE3 framework > > > +static void hnae3_list_add(spinlock_t *lock, struct list_head *node, > > + struct list_head *head) > > +{ > > + unsigned long flags; > > + > > + spin_lock_irqsave(lock, flags); > > + list_add_tail(node, head); > > + spin_unlock_irqrestore(lock, flags); > > +} > > + > > +static void hnae3_list_del(spinlock_t *lock, struct list_head *node) > > +{ > > + unsigned long flags; > > + > > + spin_lock_irqsave(lock, flags); > > + list_del(node); > > + spin_unlock_irqrestore(lock, flags); > > +} > > + > > > +int hnae3_register_client(struct hnae3_client *client) > > +{ > > + struct hnae3_client *client_tmp; > > + struct hnae3_ae_dev *ae_dev; > > + int ret; > > + > > + /* One system should only have one client for every type */ > > + list_for_each_entry(client_tmp, &hnae3_client_list, node) { > > + if (client_tmp->type == client->type) > > + return 0; > > + } > > + > > + hnae3_list_add(&hnae3_list_client_lock, &client->node, > > + &hnae3_client_list); > > Please could you explain your locking scheme. I don't get it. > > Thanks > Andrew Locking scheme has been fixed in the V4 patch. Please review it.
Thanks Salil
