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path: root/drivers/net/xen-netfront.c
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Diffstat (limited to 'drivers/net/xen-netfront.c')
-rw-r--r--drivers/net/xen-netfront.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 8315fe73ecd0..7ce5d2f96b51 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -57,6 +57,7 @@
#include <xen/interface/grant_table.h>
/* Module parameters */
+#define MAX_QUEUES_DEFAULT 8
static unsigned int xennet_max_queues;
module_param_named(max_queues, xennet_max_queues, uint, 0644);
MODULE_PARM_DESC(max_queues,
@@ -2164,11 +2165,12 @@ static int __init netif_init(void)
pr_info("Initialising Xen virtual ethernet driver\n");
- /* Allow as many queues as there are CPUs if user has not
+ /* Allow as many queues as there are CPUs inut max. 8 if user has not
* specified a value.
*/
if (xennet_max_queues == 0)
- xennet_max_queues = num_online_cpus();
+ xennet_max_queues = min_t(unsigned int, MAX_QUEUES_DEFAULT,
+ num_online_cpus());
return xenbus_register_frontend(&netfront_driver);
}