Re: [PATCH v4 1/2] scsi: fix race between simultaneous decrements of ->host_failed

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>>>>> "Wei" == Wei Fang <fangwei1@xxxxxxxxxx> writes:

Wei> sas_ata_strategy_handler() adds the works of the ata error handler
Wei> to system_unbound_wq. This workqueue asynchronously runs work
Wei> items, so the ata error handler will be performed concurrently on
Wei> different CPUs. In this case, ->host_failed will be decreased
Wei> simultaneously in scsi_eh_finish_cmd() on different CPUs, and
Wei> become abnormal.

Applied to 4.7/scsi-fixes.

-- 
Martin K. Petersen	Oracle Linux Engineering
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