linux-kernel - Re: [PATCH net-next,v3,1/1] hv_netvsc: introduce netif-msg into netvsc module

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Date:	Wed, 29 Apr 2015 14:45:39 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	sixiao@...rosoft.com
Cc:	kys@...rosoft.com, haiyangz@...rosoft.com,
	devel@...uxdriverproject.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next,v3,1/1] hv_netvsc: introduce netif-msg into
 netvsc module

From: sixiao@...rosoft.com
Date: Tue, 28 Apr 2015 01:05:17 -0700

> From: Simon Xiao <sixiao@...rosoft.com>
> 
> 1. Introduce netif-msg to netvsc to control debug logging output
> and keep msg_enable in netvsc_device_context so that it is
> kept persistently.
> 2. Only call dump_rndis_message() when NETIF_MSG_RX_ERR or above
> is specified in netvsc module debug param.
> In non-debug mode, in current code, dump_rndis_message() will not
> dump anything but it still initialize some local variables and
> process the switch logic which is unnecessary, especially in
> high network throughput situation.
> 
> Signed-off-by: Simon Xiao <sixiao@...rosoft.com>
> Reviewed-by: K. Y. Srinivasan <kys@...rosoft.com>
> Reviewed-by: Haiyang Zhang <haiyangz@...rosoft.com>

Applied.
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