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While reenabling the IRQ after irq poll there may be small time window where HBA firmware has posted some replies and raise the interrupts but driver has not received the interrupts. So we may observe I/O timeouts as the driver has not processed the replies as interrupts got missed while reenabling the IRQ. To fix this issue the driver has to go for one more round of processing the reply descriptors from reply descriptor post queue after enabling the IRQ. Link: https://lore.kernel.org/r/20201102072746.27410-1-sreekanth.reddy@broadcom.com Reported-by: Tomas Henzl <thenzl@redhat.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| .. | ||
| mpi | ||
| Kconfig | ||
| Makefile | ||
| mpt3sas_base.c | ||
| mpt3sas_base.h | ||
| mpt3sas_config.c | ||
| mpt3sas_ctl.c | ||
| mpt3sas_ctl.h | ||
| mpt3sas_debug.h | ||
| mpt3sas_debugfs.c | ||
| mpt3sas_scsih.c | ||
| mpt3sas_transport.c | ||
| mpt3sas_trigger_diag.c | ||
| mpt3sas_trigger_diag.h | ||
| mpt3sas_warpdrive.c | ||