On Friday, January 18, 2013 01:52:31 PM Nishanth Menon wrote: > Hi, > Despite being documented in function documentation and in > Documentation/power/opp.txt, many of the users of OPP APIs > dont honor RCU lock usage appropriately. > > This recently appeared in IRC discussion earlier today [1]. > I did an audit of current usage and the following series > is a result of this. > > NOTE: > 1. The patch "PM / devfreq: exynos4_bus: honor RCU lock usage" has only > been build tested as I dont have an exynos platform to try it on. I have > tried to make it as least intrusive as possible and at least reviewed > to ensure I haven't screwed anything up. > > Other than this, I have added appropriate tested by information in requisite > patches. Thanks for the fixes. MyungJoo, do you want me to take the devfreq ones too? Rafael > Series is based off: v3.8-rc4 tag > Also available in the following location[2]: > https://github.com/nmenon/linux-2.6-playground branch: post/pm/opp-fixes-v1 > > Nishanth Menon (4): > cpufreq: OMAP: use RCU locks around usage of OPP > cpufreq: cpufreq-cpu0: use RCU locks around usage of OPP > PM / devfreq: add locking documentation for recommend_opp > PM / devfreq: exynos4_bus: honor RCU lock usage > > drivers/cpufreq/cpufreq-cpu0.c | 5 +++ > drivers/cpufreq/omap-cpufreq.c | 3 ++ > drivers/devfreq/devfreq.c | 5 +++ > drivers/devfreq/exynos4_bus.c | 94 ++++++++++++++++++++++++++++------------ > 4 files changed, 80 insertions(+), 27 deletions(-) > > [1] http://www.beagleboard.org/irclogs/index.php?date=2013-01-18#T14:14:07 > [2] https://github.com/nmenon/linux-2.6-playground/commits/post/pm/opp-fixes-v1 > > Regards, > Nishanth Menon > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
