Hello, Thomas. On Sat, Oct 27, 2012 at 07:29:25PM +0200, Thomas Gleixner wrote: > This is fully preemptible non cpu bound context though the comment in the > code says: > > * Must run on @pol->cpu. cpufreq core is responsible for ensuring > * that we're bound to the current CPU and pol->cpu stays online. > > The core only guarantees that pol->cpu stays online, but it has no way > to bind the thread and this needs to be fully preemptible context as > powernowk8_target_fn() calls functions which might sleep. > > So the correct solution is to always go through work_on_cpu().
Yeah, that was stupid. Rafael already has a patch queued. http://git.kernel.org/?p=linux/kernel/git/rafael/linux-pm.git;a=commit;h=e4df1cbcc1f329e53a1fff7450b2229e0addff20 Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
