On 30 May 2014 21:20, Sriram V <vshrir...@gmail.com> wrote: > I am looking at in cpufreq.c > > __cpufreq_governor(policy, CPUFREQ_GOV_STOP); > up_write(&policy->rwsem); > __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); > down_write(&policy->rwsem); > > Why do we need to unlock the lock before calling CPUFREQ_GOV_POLICY_EXIT. > > Wont this result in a race condition when 2 cpus are calling policy > exit, one after another during governor switch?
There were some issues related to same lock-type being take again or something similar and so it was done to get rid of those stack dumps.. _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
