Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH] cpufreq_stats: fix race between stats allocation and first usage | Date | Sat, 15 Dec 2012 12:22:38 +0100 |
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On Saturday, December 15, 2012 11:01:49 AM Konstantin Khlebnikov wrote: > Rafael J. Wysocki wrote: > > On Friday, December 14, 2012 02:59:21 PM Konstantin Khlebnikov wrote: > >> This patch forces complete struct cpufreq_stats allocation for all cpus before > >> registering CPUFREQ_TRANSITION_NOTIFIER notifier, otherwise in some conditions > >> cpufreq_stat_notifier_trans() can be called in the middle of stats allocation, > >> in this case cpufreq_stats_table already exists, but stat->freq_table is NULL. > > > > I'll queue it up for submission as v3.8 material. > > > > Does it need to be marked as -stable material too? > > It's very old and rare bug. I think you can leave it as is.
OK
Thanks, Rafael
-- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.
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