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SubjectRe: [PATCH 4/5] cpufreq, policy->initialized count must be atomic
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On 5 November 2014 20:23, Prarit Bhargava <prarit@redhat.com> wrote:
> The policy->initialized value can be modified from several cpus concurrently if
> !CPUFREQ_HAVE_GOVERNOR_PER_POLICY. This leads to a situation where a
> governor maybe switched out even though the governor->initialized is greater
> than one. It must be switched to atomic_t and protected with a mutex to
> make sure that future read/writes obtain the correct data.

Can you show a sequence of events to demonstrate the race you are talking
about? As far as I can see, there are no races :)


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