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linux/drivers/scsi/megaraid
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Shivasharan S 23e73e2ab4 scsi: megaraid_sas: Do not use 32-bit atomic request descriptor for Ventura controllers 
commit 9ff97fa8db upstream.

Problem Statement: Sending I/O through 32 bit descriptors to Ventura series of
controller results in IO timeout on certain conditions.

This error only occurs on systems with high I/O activity on Ventura series
controllers.

Changes in this patch will prevent driver from using 32 bit descriptor and use
64 bit Descriptors.

Cc: <stable@vger.kernel.org>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2018-03-24 11:01:21 +01:00
..
Kconfig.megaraid [SCSI] megaraid_{mbox,mm} : remove PCI Id overlaping between megaraid_legacy and megaraid_{mbox,mm} 2005-12-13 18:10:56 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mbox_defs.h Fix common misspellings 2011-03-31 11:26:23 -03:00
mega_common.h scsi: use 64-bit LUNs 2014-07-17 22:07:37 +02:00
megaraid_ioctl.h Convert asm/semaphore.h users to linux/semaphore.h 2008-04-18 22:22:54 -04:00
megaraid_mbox.c scsi: megaraid_mbox: drop duplicate bus reset and device reset function 2017-08-25 17:21:12 -04:00
megaraid_mbox.h [SCSI] megaraid_mbox: fix Dell CERC firmware problem 2008-04-29 19:34:07 -05:00
megaraid_mm.c scsi: megaraid: Replace PCI pool old API 2017-08-07 14:04:01 -04:00
megaraid_mm.h Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
megaraid_sas.h scsi: megaraid_sas: driver version upgrade 2017-08-24 22:29:17 -04:00
megaraid_sas_base.c Merge branch 'fixes' into misc 2017-09-07 12:12:43 -07:00
megaraid_sas_fp.c scsi: megaraid_sas: replace internal FALSE/TRUE definitions with false/true 2017-08-24 22:29:15 -04:00
megaraid_sas_fusion.c scsi: megaraid_sas: Do not use 32-bit atomic request descriptor for Ventura controllers 2018-03-24 11:01:21 +01:00
megaraid_sas_fusion.h scsi: megaraid_sas: Change RAID_1_10_RMW_CMDS to RAID_1_PEER_CMDS and set value to 2 2017-02-13 07:26:23 -05:00