netdev - Re: [PATCH net-next] tcp: make TCP

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Message-Id: <20170109.170845.2114320955926994265.davem@davemloft.net>
Date:   Mon, 09 Jan 2017 17:08:45 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     eric.dumazet@...il.com
Cc:     netdev@...r.kernel.org, ycheng@...gle.com
Subject: Re: [PATCH net-next] tcp: make TCP_INFO more consistent

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 09 Jan 2017 10:29:27 -0800

> From: Eric Dumazet <edumazet@...gle.com>
> 
> tcp_get_info() has to lock the socket, so lets lock it
> for an extended critical section, so that various fields
> have consistent values.
> 
> This solves an annoying issue that some applications
> reported when multiple counters are updated during one
> particular rx/rx event, and TCP_INFO was called from
> another cpu.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied.