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

[PATCH] tcp: avoid wakeups for pure ACK · Eric Dumazet <hidden> · 2013-02-27
Re: [PATCH] tcp: avoid wakeups for pure ACK · David Miller <davem@davemloft.net> · 2013-02-27
Re: [PATCH] tcp: avoid wakeups for pure ACK · Eric Dumazet <hidden> · 2013-02-27
Re: [PATCH] tcp: avoid wakeups for pure ACK · David Miller <davem@davemloft.net> · 2013-02-27
Re: [PATCH] tcp: avoid wakeups for pure ACK · David Miller <davem@davemloft.net> · 2013-02-28

From: David Miller <davem@davemloft.net>
Date: 2013-02-27 21:15:54

From: Eric Dumazet <redacted>
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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