linux-kernel - RE: [PATCH] habanalabs: set 4s timeout for message to device CPU

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Message-ID: <DB8PR02MB54681675375F6370D8D3C657D2670@DB8PR02MB5468.eurprd02.prod.outlook.com>
Date:   Wed, 8 Jul 2020 08:35:52 +0000
From:   Tomer Tayar <ttayar@...ana.ai>
To:     Oded Gabbay <oded.gabbay@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        SW_Drivers <SW_Drivers@...ana.ai>
Subject: RE: [PATCH] habanalabs: set 4s timeout for message to device CPU

On Wed, Jul 8, 2020 at 10:46 AM Oded Gabbay <oded.gabbay@...il.com> wrote:
> We see that sometimes the CPU in GOYA and GAUDI is occupied by the
> power/thermal loop and can't answer requests from the driver fast enough.
> 
> Therefore, to avoid false notifications on timeouts, increase the timeout
> to 4 seconds on each message sent to the device CPU.
> 
> Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>

Reviewed-by: Tomer Tayar <ttayar@...ana.ai>