linux-kernel - RE: [PATCH 1/2] habanalabs: block WREG

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Message-ID: <AM0PR02MB552333DB1C4C6EAA0C752AFEB8680@AM0PR02MB5523.eurprd02.prod.outlook.com>
Date:   Sun, 5 Jul 2020 10:33:41 +0000
From:   Omer Shpigelman <oshpigelman@...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>
CC:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
Subject: RE: [PATCH 1/2] habanalabs: block WREG_BULK packet on PDMA

On Tue, Jul 5, 2020 at 00:30 AM, Oded Gabbay <oded.gabbay@...il.com> wrote:
> WREG_BULK is a special packet that has a variable length. Therefore, we can't
> parse it when validating CBs that go to the PCI DMA queue. In case the user
> needs to use it, it can put multiple WREG32 packets instead.
> 
> Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>

Reviewed-by: Omer Shpigelman <oshpigelman@...ana.ai>