From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:37396 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755329AbdAFO4a (ORCPT ); Fri, 6 Jan 2017 09:56:30 -0500 Subject: Patch "scsi: megaraid_sas: For SRIOV enabled firmware, ensure VF driver waits for 30secs before reset" has been added to the 4.4-stable tree To: kashyap.desai@broadcom.com, gregkh@linuxfoundation.org, hare@suse.com, kiran-kumar.kasturi@broadcom.com, martin.petersen@oracle.com, sumit.saxena@broadcom.com, thenzl@redhat.com Cc: , From: Date: Fri, 06 Jan 2017 15:56:22 +0100 Message-ID: <148371458213424@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 scsi: megaraid_sas: For SRIOV enabled firmware, ensure VF driver waits for 30secs before reset to the 4.4-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-megaraid_sas-for-sriov-enabled-firmware-ensure-vf-driver-waits-for-30secs-before-reset.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 18e1c7f68a5814442abad849abe6eacbf02ffd7c Mon Sep 17 00:00:00 2001 From: Kashyap Desai Date: Fri, 21 Oct 2016 06:33:29 -0700 Subject: scsi: megaraid_sas: For SRIOV enabled firmware, ensure VF driver waits for 30secs before reset From: Kashyap Desai commit 18e1c7f68a5814442abad849abe6eacbf02ffd7c upstream. For SRIOV enabled firmware, if there is a OCR(online controller reset) possibility driver set the convert flag to 1, which is not happening if there are outstanding commands even after 180 seconds. As driver does not set convert flag to 1 and still making the OCR to run, VF(Virtual function) driver is directly writing on to the register instead of waiting for 30 seconds. Setting convert flag to 1 will cause VF driver will wait for 30 secs before going for reset. Signed-off-by: Kiran Kumar Kasturi Signed-off-by: Sumit Saxena Reviewed-by: Hannes Reinecke Reviewed-by: Tomas Henzl Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/megaraid/megaraid_sas_fusion.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -2648,6 +2648,7 @@ int megasas_wait_for_outstanding_fusion( dev_err(&instance->pdev->dev, "pending commands remain after waiting, " "will reset adapter scsi%d.\n", instance->host->host_no); + *convert = 1; retval = 1; } out: Patches currently in stable-queue which might be from kashyap.desai@broadcom.com are queue-4.4/scsi-megaraid_sas-do-not-set-mpi2_type_cuda-for-jbod-fp-path-for-fw-which-does-not-support-jbod-sequence-map.patch queue-4.4/scsi-megaraid_sas-for-sriov-enabled-firmware-ensure-vf-driver-waits-for-30secs-before-reset.patch