Messages in this thread | | | Subject | Re: [PATCH v2] scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock | From | "Martin K. Petersen" <> | Date | Mon, 21 Aug 2023 17:02:41 -0400 |
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Chengfeng,
> There is a long call chain that &fip->ctlr_lock is acquired by isr > fnic_isr_msix_wq_copy() under hard irq context. Thus other process > context code acquiring the lock should disable irq, otherwise deadlock > could happen if the irq preempt the execution while the lock is held > in process context on the same CPU.
Applied to 6.6/scsi-staging, thanks!
-- Martin K. Petersen Oracle Linux Engineering
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