From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Baron Subject: [PATCH v2 net-next 0/2] tcp: reduce cpu usage when SO_SNDBUF is set Date: Wed, 22 Jun 2016 11:32:49 -0400 Message-ID: Cc: netdev@vger.kernel.org To: eric.dumazet@gmail.com, davem@davemloft.net Return-path: Received: from prod-mail-xrelay07.akamai.com ([23.79.238.175]:52659 "EHLO prod-mail-xrelay07.akamai.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751601AbcFVPfQ (ORCPT ); Wed, 22 Jun 2016 11:35:16 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Hi, I've added a patch to upgrade smp_mb__after_atomic() to a smp_mb() as Eric Dumazet pointed out. Also combined the clearing of SOCK_SHORT_WRITE with SOCK_QUEUE_SHRUNK. Thanks, -Jason v2: -upgrade smp_mb__after_atomic to smp_mb() in tcp_poll() -combine clear of SOCK_SHORT_WRITE with SOCK_QUEUE_SHRUNK Jason Baron (2): tcp: replace smp_mb__after_atomic() with smp_mb() in tcp_poll() tcp: reduce cpu usage when SO_SNDBUF is set include/net/sock.h | 6 ++++++ net/ipv4/tcp.c | 26 +++++++++++++++++++------- net/ipv4/tcp_input.c | 5 +++-- 3 files changed, 28 insertions(+), 9 deletions(-) -- 2.6.1