From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH V4 2/4] PHYLIB: queue work on unbound wq Date: Sun, 31 Mar 2013 12:45:22 -0400 (EDT) Message-ID: <20130331.124522.495583446567617837.davem@davemloft.net> References: <6be4e9ad2048a2a9d60143f58931c3fe94770175.1364740180.git.viresh.kumar@linaro.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: tj@kernel.org, linaro-kernel@lists.linaro.org, patches@linaro.org, robin.randhawa@arm.com, Steve.Bannister@arm.com, Liviu.Dudau@arm.com, charles.garcia-tobin@arm.com, arvind.chauhan@arm.com, airlied@redhat.com, axboe@kernel.dk, tglx@linutronix.de, peterz@infradead.org, mingo@redhat.com, rostedt@goodmis.org, linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: viresh.kumar@linaro.org Return-path: In-Reply-To: <6be4e9ad2048a2a9d60143f58931c3fe94770175.1364740180.git.viresh.kumar@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org From: Viresh Kumar Date: Sun, 31 Mar 2013 20:01:45 +0530 > Phylib uses workqueues for multiple purposes. There is no real dependency of > scheduling these on the cpu which scheduled them. > > On a idle system, it is observed that and idle cpu wakes up many times just to > service this work. It would be better if we can schedule it on a cpu which the > scheduler believes to be the most appropriate one. > > This patch replaces system_wq with system_unbound_wq for PHYLIB. > > Cc: David S. Miller > Cc: netdev@vger.kernel.org > Signed-off-by: Viresh Kumar Acked-by: David S. Miller