提交 4c82ac3c 编写于 作者: W Wei Liu 提交者: David S. Miller

xen-netback: respect user provided max_queues

Originally that parameter was always reset to num_online_cpus during
module initialisation, which renders it useless.

The fix is to only set max_queues to num_online_cpus when user has not
provided a value.
Reported-by: NJohnny Strom <johnny.strom@linuxsolutions.fi>
Signed-off-by: NWei Liu <wei.liu2@citrix.com>
Reviewed-by: NDavid Vrabel <david.vrabel@citrix.com>
Acked-by: NIan Campbell <ian.campbell@citrix.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 42020320
......@@ -2114,8 +2114,11 @@ static int __init netback_init(void)
if (!xen_domain())
return -ENODEV;
/* Allow as many queues as there are CPUs, by default */
xenvif_max_queues = num_online_cpus();
/* Allow as many queues as there are CPUs if user has not
* specified a value.
*/
if (xenvif_max_queues == 0)
xenvif_max_queues = num_online_cpus();
if (fatal_skb_slots < XEN_NETBK_LEGACY_SLOTS_MAX) {
pr_info("fatal_skb_slots too small (%d), bump it to XEN_NETBK_LEGACY_SLOTS_MAX (%d)\n",
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册