On 25 July 2014 18:11, Prarit Bhargava <pra...@redhat.com> wrote: > Okay -- I think I got it: The above happens only with an *older* sysfs stack > which acquires a &buffer->mutex. This no longer happens with the new sysfs > stack so the above change is still no longer necessary in mainline linux.git > (at > least AFAICT).
Hmm, that's something new for me. Would it be possible to give some commits for reference where the behavior changed? This would be quite helpful once we face it again and need to come back to this thread :) > In any case, the change still appears to be incorrect in that it breaks the > rwsem locking scheme of the cpufreq policy. I'll do some additional testing > on > various systems and get back to you in a few days. What about breaking rwsem locking scheme? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
