netdev - Re: [PATCH net-next 02/10] net/mlx4_core: Mask out host side virtualization features for guests

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Message-ID: <CAJ3xEMg-0eYkcbYbsdPbeA1z5xohvVWNCbrfVPBDJq3C9DdwVA@mail.gmail.com>
Date:	Tue, 9 Dec 2014 22:25:38 +0200
From:	Or Gerlitz <gerlitz.or@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	Or Gerlitz <ogerlitz@...lanox.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	Matan Barak <matanb@...lanox.com>,
	Amir Vadai <amirv@...lanox.com>,
	"talal@...lanox.com" <talal@...lanox.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>
Subject: Re: [PATCH net-next 02/10] net/mlx4_core: Mask out host side
 virtualization features for guests

On Tue, Dec 9, 2014 at 9:40 PM, David Miller <davem@...emloft.net> wrote:
> From: Or Gerlitz <ogerlitz@...lanox.com>
> Date: Thu,  4 Dec 2014 15:13:47 +0200
>
>> @@ -1053,6 +1053,11 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
>>       field &= ~0x80;
>>       MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
>>
>> +     /* turn off host side virt features (VST, FSM, etc) for guests */
>> +     MLX4_GET(field32, outbox->buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
>> +     field32 &= ~((1 << 26) | (1 << 21) | (1 << 20));
>> +     MLX4_PUT(outbox->buf, field32, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
>> +
>
> Please use mnenomics instead of magic constants for this, thanks.

OK, will do, if possible, I will be happy to send this as small fix in
a later (tomorrow!!) patch, thanks, Or.
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