Messages in this thread | | | Subject | Re: [PATCH v3] scsi: core: Fix shost->cmd_per_lun calculation in scsi_add_host_with_dma() | From | "Martin K. Petersen" <> | Date | Tue, 12 Oct 2021 12:41:48 -0400 |
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Dexuan,
> After commit ea2f0f77538c, a 416-CPU VM running on Hyper-V hangs during > boot because the hv_storvsc driver sets scsi_driver.can_queue to an "int" > value that exceeds SHRT_MAX, and hence scsi_add_host_with_dma() sets > shost->cmd_per_lun to a negative "short" value. > > Use min_t(int, ...) to fix the issue.
I queued this up as a short term workaround. However, I am hoping that the rework of the scaling code in storvsc lands soon.
-- Martin K. Petersen Oracle Linux Engineering
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