Displaying 2 results from an estimated 2 matches for "accelerators_lock".
2008 Feb 26
0
[PATCH] Fix request_module/modprobe deadlock in netfront accelerator
...by Kieran Mansley <kmansley@solarflare.com>
diff -r 1edfea26a2a9 drivers/xen/netfront/accel.c
--- a/drivers/xen/netfront/accel.c
+++ b/drivers/xen/netfront/accel.c
@@ -60,6 +60,9 @@ static struct list_head accelerators_lis
/* Lock to protect access to accelerators_list */
static spinlock_t accelerators_lock;
+/* Workqueue to process acceleration configuration changes */
+struct workqueue_struct *accel_watch_workqueue;
+
/* Mutex to prevent concurrent loads and suspends, etc. */
DEFINE_MUTEX(accelerator_mutex);
@@ -67,12 +70,17 @@ void netif_init_accel(void)
{
INIT_LIST_HEAD(&accelerators_...
2007 Oct 30
0
[Patch 6/8] Netfront accelerator bug fixes
...Signed-off-by <kmansley@solarflare.com>
diff -r fdfd708d2ec4 drivers/xen/netfront/accel.c
--- a/drivers/xen/netfront/accel.c Wed Oct 24 15:38:35 2007 +0100
+++ b/drivers/xen/netfront/accel.c Wed Oct 24 16:25:57 2007 +0100
@@ -75,6 +75,24 @@ void netif_init_accel(void)
spin_lock_init(&accelerators_lock);
}
+void netif_exit_accel(void)
+{
+ struct netfront_accelerator *accelerator, *tmp;
+ unsigned flags;
+
+ spin_lock_irqsave(&accelerators_lock, flags);
+
+ list_for_each_entry_safe(accelerator, tmp, &accelerators_list, link) {
+ BUG_ON(!list_empty(&accelerator->vif_states));
+...