From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42565 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753728AbcA0Gca (ORCPT ); Wed, 27 Jan 2016 01:32:30 -0500 Subject: Patch "xen-netfront: respect user provided max_queues" has been added to the 4.1-stable tree To: wei.liu2@citrix.com, davem@davemloft.net, david.vrabel@citrix.com, gregkh@linuxfoundation.org Cc: , From: Date: Tue, 26 Jan 2016 22:28:19 -0800 Message-ID: <1453876099136160@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled xen-netfront: respect user provided max_queues to the 4.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: xen-netfront-respect-user-provided-max_queues.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Tue Jan 26 21:37:04 PST 2016 From: Wei Liu Date: Thu, 10 Sep 2015 11:18:58 +0100 Subject: xen-netfront: respect user provided max_queues From: Wei Liu [ Upstream commit 32a844056fd43dda647e1c3c6b9983bdfa04d17d ] 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. Signed-off-by: Wei Liu Cc: David Vrabel Reviewed-by: David Vrabel Tested-by: David Vrabel Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/xen-netfront.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -2140,8 +2140,11 @@ static int __init netif_init(void) pr_info("Initialising Xen virtual ethernet driver\n"); - /* Allow as many queues as there are CPUs, by default */ - xennet_max_queues = num_online_cpus(); + /* Allow as many queues as there are CPUs if user has not + * specified a value. + */ + if (xennet_max_queues == 0) + xennet_max_queues = num_online_cpus(); return xenbus_register_frontend(&netfront_driver); } Patches currently in stable-queue which might be from wei.liu2@citrix.com are queue-4.1/xen-netfront-update-num_queues-to-real-created.patch queue-4.1/xen-netback-respect-user-provided-max_queues.patch queue-4.1/xen-netfront-respect-user-provided-max_queues.patch