From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:54226 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754914AbcJZMBo (ORCPT ); Wed, 26 Oct 2016 08:01:44 -0400 Subject: Patch "target/tcm_fc: use CPU affinity for responses" has been added to the 4.8-stable tree To: hare@suse.de, gregkh@linuxfoundation.org, hare@suse.com, nab@linux-iscsi.org Cc: , From: Date: Wed, 26 Oct 2016 14:00:05 +0200 Message-ID: <1477483205153111@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 target/tcm_fc: use CPU affinity for responses to the 4.8-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: target-tcm_fc-use-cpu-affinity-for-responses.patch and it can be found in the queue-4.8 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 1ba0158fa66b5b2c597a748f87be1650c9960ccc Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Mon, 22 Aug 2016 10:54:11 +0200 Subject: target/tcm_fc: use CPU affinity for responses From: Hannes Reinecke commit 1ba0158fa66b5b2c597a748f87be1650c9960ccc upstream. The libfc stack assigns exchange IDs based on the CPU the request was received on, so we need to send the responses via the same CPU. Otherwise the send logic gets confuses and responses will be delayed, causing exchange timeouts on the initiator side. Signed-off-by: Hannes Reinecke Signed-off-by: Nicholas Bellinger Signed-off-by: Greg Kroah-Hartman --- drivers/target/tcm_fc/tfc_cmd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -572,7 +572,7 @@ static void ft_send_work(struct work_str if (target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, fcp->fc_cdb, &cmd->ft_sense_buffer[0], scsilun_to_int(&fcp->fc_lun), ntohl(fcp->fc_dl), task_attr, data_dir, - TARGET_SCF_ACK_KREF)) + TARGET_SCF_ACK_KREF | TARGET_SCF_USE_CPUID)) goto err; pr_debug("r_ctl %x alloc target_submit_cmd\n", fh->fh_r_ctl); Patches currently in stable-queue which might be from hare@suse.de are queue-4.8/target-tcm_fc-use-cpu-affinity-for-responses.patch