linux-kernel - RE: [PATCH] habanalabs: use correct variable to show fd open counter

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Message-ID: <VI1PR02MB3054A333A1B5D22EE2F4DD64D2F60@VI1PR02MB3054.eurprd02.prod.outlook.com>
Date:   Mon, 8 Jul 2019 11:08:44 +0000
From:   Tomer Tayar <ttayar@...ana.ai>
To:     Oded Gabbay <oded.gabbay@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Omer Shpigelman <oshpigelman@...ana.ai>
CC:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
Subject: RE: [PATCH] habanalabs: use correct variable to show fd open counter

From: Oded Gabbay <oded.gabbay@...il.com>
Sent: Monday, 8 July 2019 13:44

> The current code checks if the user context pointer is NULL or not to
> display the number of open file descriptors of a device. However, that
> variable (user_ctx) will eventually go away as the driver will support
> multiple processes. Instead, the driver can use the atomic counter of
> the open file descriptors which the driver already maintains.
> 
> Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>

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