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path: root/drivers/xen/pvcalls-back.c
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Diffstat (limited to 'drivers/xen/pvcalls-back.c')
-rw-r--r--drivers/xen/pvcalls-back.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index 0d4f8f4f4948..dcb00938de61 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;