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

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Date:	Tue, 09 Dec 2014 14:40:46 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	ogerlitz@...lanox.com
Cc:	netdev@...r.kernel.org, matanb@...lanox.com, amirv@...lanox.com,
	talal@...lanox.com, jackm@....mellanox.co.il
Subject: Re: [PATCH net-next 02/10] net/mlx4_core: Mask out host side
 virtualization features for guests

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.
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