From: Jakub Kicinski <kuba@kernel.org>
To: Sai Krishna <saikrishnag@marvell.com>
Cc: <davem@davemloft.net>, <edumazet@google.com>, <pabeni@redhat.com>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<sgoutham@marvell.com>, <sumang@marvell.com>,
<richardcochran@gmail.com>
Subject: Re: [net PATCH v3] octeontx2-af: Unlock contexts in the queue context cache in case of fault detection
Date: Wed, 8 Mar 2023 18:32:35 -0800 [thread overview]
Message-ID: <20230308183235.06f3e506@kernel.org> (raw)
In-Reply-To: <20230307104908.3391164-1-saikrishnag@marvell.com>
On Tue, 7 Mar 2023 16:19:08 +0530 Sai Krishna wrote:
> From: Suman Ghosh <sumang@marvell.com>
>
> 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!
prev parent reply other threads:[~2023-03-09 2:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-07 10:49 [net PATCH v3] octeontx2-af: Unlock contexts in the queue context cache in case of fault detection Sai Krishna
2023-03-07 16:33 ` Simon Horman
2023-03-09 2:32 ` Jakub Kicinski [this message]
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