netdev - Re: [PATCH -next] net: tcp: add mib counters to track zero window transitions

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Date:	Wed, 19 Feb 2014 11:27:28 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Florian Westphal <fw@...len.de>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH -next] net: tcp: add mib counters to track zero window
 transitions

On Wed, 2014-02-19 at 20:18 +0100, Florian Westphal wrote:

> sure, I can send v2 but I'll wait for (n)ack from Eric first
> before considering it.
> 
> tcp_transmit_skb (caller of tcp_select_window) also uses _BH
> which is why it ended up in tcp_select_window.

Yes, it seems the NET_INC_STATS_BH() in tcp_transmit_skb() should really
be a NET_INC_STATS(), even if it currently doesn't matter, even on 32bit
arches.



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