Messages in this thread | | | Date | Fri, 23 Nov 2018 13:58:07 +0000 | From | Sudeep Holla <> | Subject | Re: [PATCH 2/4] base/drivers/arch_topology: Replace mutex with READ_ONCE / WRITE_ONCE |
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On Mon, Oct 29, 2018 at 05:23:18PM +0100, Daniel Lezcano wrote: > The mutex protects a per_cpu variable access. The potential race can > happen only when the cpufreq governor module is loaded and at the same > time the cpu capacity is changed in the sysfs. >
I wonder if we really need that sysfs entry to be writable. For some reason, I had assumed it's read only, obviously it's not. I prefer to make it RO if there's no strong reason other than debug purposes.
-- Regards, Sudeep
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