In two separate email threads this week, I have been asked about the status of the Android wakelock issue that has been described in the past. It turns out that people don't realize that the Linux kernel now supports this type of locking, and has for a few releases now.

Rafael J. Wysocki has merged a solution for this into the kernel and done the unthinkable, he documented everything! He wrote an here on, and there is a pointer in that article to a 18 page paper describing in great detail the history, proposed solutions and eventual resolution of the problem.

Astute readers will realize that now there are no barriers for merging any out-of-tree Android specific kernel drivers. Send them in, we will take them!

posted Wed, 23 Mar 2011 in [/linux]


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