scsi: qla2xxx: Move heartbeat handling from DPC thread to workqueue

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DPC thread gets restricted due to a no-op mailbox, which is a blocking call
and has a high execution frequency. To free up the DPC thread we move no-op
handling to the workqueue. Also, modified qla_do_heartbeat() to send no-op
MBC if we don’t have any active interrupts, but there are still I/Os
outstanding with firmware.

Link: https://lore.kernel.org/r/20210908164622.19240-9-njavali@marvell.com
Fixes: d94d8158e1 ("scsi: qla2xxx: Add heartbeat check")
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Manish Rangankar 2021-09-08 09:46:20 -07:00 • committed by Martin K. Petersen

parent 38c61709e6

commit 3a4e1f3b3a

3 changed files with 40 additions and 44 deletions

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4

drivers/scsi/qla2xxx/qla_def.h

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2

drivers/scsi/qla2xxx/qla_init.c

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78

drivers/scsi/qla2xxx/qla_os.c

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