From mboxrd@z Thu Jan 1 00:00:00 1970 From: Saravana Kannan Subject: Re: [PATCH] PM / devfreq: Rewrite devfreq_update_status() to fix multiple bugs Date: Tue, 04 Mar 2014 12:25:24 -0800 Message-ID: <531636B4.1060202@codeaurora.org> References: <8984550.302431393927576253.JavaMail.weblogic@epv6ml05> Mime-Version: 1.0 Content-Type: text/plain; charset=EUC-KR Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <8984550.302431393927576253.JavaMail.weblogic@epv6ml05> Sender: linux-kernel-owner@vger.kernel.org To: myungjoo.ham@samsung.com Cc: =?EUC-KR?B?udqw5rnO?= , "linux-pm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-msm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" List-Id: linux-pm@vger.kernel.org On 03/04/2014 02:06 AM, MyungJoo Ham wrote: >> The current devfreq_update_status() has the following bugs: >> - If previous frequency doesn't have a valid level, it does an out of bounds >> access into the trans_table and causes memory corruption. >> - When the new frequency doesn't have a valid level, the time spent in the >> new frequency is counted towards the next valid frequency switch instead of >> being ignored. >> - The time spent on the previous frequency is added to the new frequency's >> stats instead of the previous frequency's stats. >> >> This patch fixes all of this. >> >> Signed-off-by: Saravana Kannan > > Merged. > > It appears to be Greg's LTS material as well. > Thanks! -Saravana -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation