netdev - Re: [PATCH] tcp: avoid wakeups for pure ACK

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Message-Id: <20130227.161552.102016616709396662.davem@davemloft.net>
Date:	Wed, 27 Feb 2013 16:15:52 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, ncardwell@...gle.com, therbert@...gle.com,
	ycheng@...gle.com, ak@...ux.intel.com
Subject: Re: [PATCH] tcp: avoid wakeups for pure ACK

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 27 Feb 2013 10:17:39 -0800

> So this patch will also help this (not very usual) situation, as we will
> only wakeup the tcp_sendmsg() thread when ACK is processed from softirq
> handler, and let the thread blocked in tcp_recvmsg() sleeping.

Ok, thanks for the analysis.
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