linux-kernel - RE: [PATCH 6/7] habanalabs: align armcp

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Message-ID: <AM0PR02MB5523406D1B3BF4A17B392A4EB89B0@AM0PR02MB5523.eurprd02.prod.outlook.com>
Date:   Thu, 18 Jun 2020 10:58:23 +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 6/7] habanalabs: align armcp_packet structure to 8 bytes

On Tue, Jun 13, 2020 at 09:13 AM, Oded Gabbay <oded.gabbay@...il.com> wrote:
> Once there is a 64-bit field in a structure, GCC compiler for ARM aligns the
> structure to 8 bytes. In order to avoid confusion when these structures are
> being passed between CPUs from different architectures, we explicitly align
> the structure to 8 bytes.
> 
> Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>

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