qlcnic: Fix CPU soft lockup while collecting firmware dump
authorManish Chopra <manishc@marvell.com>
Wed, 22 Jan 2020 09:43:38 +0000 (01:43 -0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 23 Jan 2020 20:13:33 +0000 (21:13 +0100)
commit22e984493a41bf8081f13d9ed84def3ca8cfd427
tree9df6a7cadc27bab72631514f4003be1e4786d009
parentbb48eb9b12a95db9d679025927269d4adda6dbd1
qlcnic: Fix CPU soft lockup while collecting firmware dump

Driver while collecting firmware dump takes longer time to
collect/process some of the firmware dump entries/memories.
Bigger capture masks makes it worse as it results in larger
amount of data being collected and results in CPU soft lockup.
Place cond_resched() in some of the driver flows that are
expectedly time consuming to relinquish the CPU to avoid CPU
soft lockup panic.

Signed-off-by: Shahed Shaikh <shshaikh@marvell.com>
Tested-by: Yonggen Xu <Yonggen.Xu@dell.com>
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c