diff options
Diffstat (limited to 'drivers/xen/pvcalls-back.c')
| -rw-r--r-- | drivers/xen/pvcalls-back.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c index 28b2a1fa25ab..1f5219e12cc3 100644 --- a/drivers/xen/pvcalls-back.c +++ b/drivers/xen/pvcalls-back.c @@ -14,6 +14,7 @@ #include <net/inet_common.h> #include <net/inet_connection_sock.h> #include <net/request_sock.h> +#include <trace/events/sock.h> #include <xen/events.h> #include <xen/grant_table.h> @@ -173,6 +174,8 @@ static bool pvcalls_conn_back_write(struct sock_mapping *map) RING_IDX cons, prod, size, array_size; int ret; + atomic_set(&map->write, 0); + cons = intf->out_cons; prod = intf->out_prod; /* read the indexes before dealing with the data */ @@ -197,7 +200,6 @@ static bool pvcalls_conn_back_write(struct sock_mapping *map) iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, vec, 2, size); } - atomic_set(&map->write, 0); ret = inet_sendmsg(map->sock, &msg, size); if (ret == -EAGAIN) { atomic_inc(&map->write); @@ -300,6 +302,8 @@ static void pvcalls_sk_data_ready(struct sock *sock) struct sock_mapping *map = sock->sk_user_data; struct pvcalls_ioworker *iow; + trace_sk_data_ready(sock); + if (map == NULL) return; @@ -588,6 +592,8 @@ static void pvcalls_pass_sk_data_ready(struct sock *sock) unsigned long flags; int notify; + trace_sk_data_ready(sock); + if (mappass == NULL) return; @@ -1181,12 +1187,11 @@ static void pvcalls_back_changed(struct xenbus_device *dev, } } -static int pvcalls_back_remove(struct xenbus_device *dev) +static void pvcalls_back_remove(struct xenbus_device *dev) { - return 0; } -static int pvcalls_back_uevent(struct xenbus_device *xdev, +static int pvcalls_back_uevent(const struct xenbus_device *xdev, struct kobj_uevent_env *env) { return 0; |