Messages in this thread | | | Date | Wed, 27 Nov 2013 08:43:10 +0530 | Subject | Re: [PATCH V3 1/6] cpufreq: suspend governors on system suspend/hibernate | From | Viresh Kumar <> |
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On 27 November 2013 01:53, Rafael J. Wysocki <rjw@rjwysocki.net> wrote: > On Tuesday, November 26, 2013 07:56:19 AM Viresh Kumar wrote: >> On 26 November 2013 04:59, Rafael J. Wysocki <rjw@rjwysocki.net> wrote:
>> > This appears to be racy. Is it really racy, or just seemingly? >> >> Why does it look racy to you? Userspace should be frozen by now, >> policy_list should be stable as well as nobody would touch it. > > You're stopping governors while they may be in use in principle. Do we have > suitable synchronization in place for that?
At what point exactly in suspend cycle do we suspend timers and workqueues. I thought userspace would be frozen by now and so would be the governors..
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