Re: [net PATCH v3] octeontx2-af: Unlock contexts in the queue context cache in case of fault detection

From: Jakub Kicinski
Date: Wed Mar 08 2023 - 21:32:42 EST


On Tue, 7 Mar 2023 16:19:08 +0530 Sai Krishna wrote:
> From: Suman Ghosh <sumang@xxxxxxxxxxx>
>
> NDC caches contexts of frequently used queue's (Rx and Tx queues)
> contexts. Due to a HW errata when NDC detects fault/poision while
> accessing contexts it could go into an illegal state where a cache
> line could get locked forever. To makesure all cache lines in NDC
> are available for optimum performance upon fault/lockerror/posion
> errors scan through all cache lines in NDC and clear the lock bit.

Applied to net, thanks!