Patch "scsi: qla2xxx: Fix response queue count for Target mode." has been added to the 4.10-stable tree

Patch "scsi: qla2xxx: Fix response queue count for Target mode." has been added to the 4.10-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    scsi: qla2xxx: Fix response queue count for Target mode.

to the 4.10-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:
     scsi-qla2xxx-fix-response-queue-count-for-target-mode.patch
and it can be found in the queue-4.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From d0d2c68b759bbf678e078fd0c71b5fde65a9392c Mon Sep 17 00:00:00 2001
From: Michael Hernandez <michael.hernandez@cavium.com>
Date: Wed, 15 Feb 2017 15:37:20 -0800
Subject: scsi: qla2xxx: Fix response queue count for Target mode.

From: Michael Hernandez <michael.hernandez@cavium.com>

commit d0d2c68b759bbf678e078fd0c71b5fde65a9392c upstream.

Target mode initialization was not calculating response queue values
correctly resulting into one less MSI-X vector.

[mkp: fixed Fixes: hash]

Fixes: 093df73771ba ("scsi: qla2xxx: Fix Target mode handling with Multiqueue changes.")
Signed-off-by: Michael Hernandez <michael.hernandez@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/scsi/qla2xxx/qla_os.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1915,12 +1915,13 @@ qla83xx_iospace_config(struct qla_hw_dat
 		if (ql2xmqsupport) {
 			/* MB interrupt uses 1 vector */
 			ha->max_req_queues = ha->msix_count - 1;
-			ha->max_rsp_queues = ha->max_req_queues;
 
 			/* ATIOQ needs 1 vector. That's 1 less QPair */
 			if (QLA_TGT_MODE_ENABLED())
 				ha->max_req_queues--;
 
+			ha->max_rsp_queues = ha->max_req_queues;
+
 			/* Queue pairs is the max value minus
 			 * the base queue pair */
 			ha->max_qpairs = ha->max_req_queues - 1;


Patches currently in stable-queue which might be from michael.hernandez@cavium.com are

queue-4.10/scsi-qla2xxx-cleaned-up-queue-configuration-code.patch
queue-4.10/scsi-qla2xxx-fix-regression-introduced-by-pci_alloc_irq_vectors_affinity-call.patch
queue-4.10/scsi-qla2xxx-fix-response-queue-count-for-target-mode.patch