From 5e5a55a25297e0c1d5382432897157f82271c392 Mon Sep 17 00:00:00 2001
From: Saurav Kashyap <skashyap@marvell.com>
Date: Mon, 9 Aug 2021 21:37:17 -0700
Subject: [PATCH] scsi: qla2xxx: Changes to support kdump kernel
Git-commit: 62e0dec59c1e139dab55aff5aa442adc97804271
Patch-mainline: v5.15-rc1
References: stable-5.14.6
commit 62e0dec59c1e139dab55aff5aa442adc97804271 upstream.
Avoid allocating firmware dump and only allocate a single queue for a kexec
kernel.
Link: https://lore.kernel.org/r/20210810043720.1137-12-njavali@marvell.com
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/scsi/qla2xxx/qla_os.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index cedd558f65eb..37ab71b6a8a7 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/blk-mq-pci.h>
#include <linux/refcount.h>
+#include <linux/crash_dump.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
@@ -2818,6 +2819,11 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
return ret;
}
+ if (is_kdump_kernel()) {
+ ql2xmqsupport = 0;
+ ql2xallocfwdump = 0;
+ }
+
/* This may fail but that's ok */
pci_enable_pcie_error_reporting(pdev);
--
2.26.2