netdev - Re: [PATCH net-next] tcp: do not block bh during prequeue processing

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Message-ID: <1461786860.5535.85.camel@edumazet-glaptop3.roam.corp.google.com>
Date:	Wed, 27 Apr 2016 12:54:20 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] tcp: do not block bh during prequeue processing

On Wed, 2016-04-27 at 11:59 -0700, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> AFAIK, nothing in current TCP stack absolutely wants BH
> being disabled once socket is owned by a thread running in
> process context.
> 
> As mentioned in my prior patch ("tcp: give prequeue mode some care"),
> processing a batch of packets might take time, better not block BH
> at all.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> ---

Scratch that. We have some TCP_INC_STATS_BH() to take care of before.