Hi Anton On Sun, Dec 1, 2013 at 11:37 PM, Anton Vorontsov <anton@xxxxxxxxxx> wrote: > On Mon, Nov 25, 2013 at 08:16:34PM +0100, Michael Trimarchi wrote: > ... >> >> So you can read this value without any type of synchronization >> >> with the power_supply_core >> >> and sysfs implementation? > ... >> https://lists.ubuntu.com/archives/kernel-team/2013-January/025206.html >> >> I found and equivalent scenario that I was trying to said > > That's a good question, actually. Even though in Pali's case the notifier > is atomic (so that we are pretty confident that the object won't be > unregistered), there is still a possiblity of a dead lock, for example. So So if the get_property is a sleeping function it will be a deadlock. Right? Michael > notifiers should be careful to not hold any locks, because the other > driver might call get_property(), which might acquire locks. > > Thanks, > > Anton -- 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
