* Re: [PATCH] lpfc: Fix crash when cpu count is 1 and null irq affinity mask
[not found] <20190802202612.25799-1-jsmart2021@gmail.com>
@ 2019-08-08 1:57 ` Martin K. Petersen
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From: Martin K. Petersen @ 2019-08-08 1:57 UTC (permalink / raw)
To: James Smart; +Cc: linux-scsi, Dick Kennedy
James,
> When a configurations runs with a single cpu (such as a kdump kernel),
> which causes the driver to request a single vector, when the driver
> subsequently requests an irq affinity mask, the mask comes back null.
> The driver currently does nothing in this scenario, which leaves
> mappings to hardware queues incomplete and crashes the system.
>
> Fix by recognizing the null mask and assigning the vector to the first
> cpu in the system.
Applied to 5.3/scsi-fixes. Thanks!
--
Martin K. Petersen Oracle Linux Engineering
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[not found] <20190802202612.25799-1-jsmart2021@gmail.com>
2019-08-08 1:57 ` [PATCH] lpfc: Fix crash when cpu count is 1 and null irq affinity mask Martin K. Petersen
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