* 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
0 siblings, 0 replies; only message in thread
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
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2019-08-08 1:57 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[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
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.