Re: [PATCH v1 1/3] cpufreq: intel_pstate: Always read hwp_cap_cached with READ_ONCE()

[Chen Yu]

On Thu, Jan 07, 2021 at 07:42:15PM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> 
> Because intel_pstate_get_hwp_max() which updates hwp_cap_cached
> may run in parallel with the readers of it, annotate all of the
> read accesses to it with READ_ONCE().
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Tested-by: Chen Yu <yu.c.chen@xxxxxxxxx>

thanks,
Chenyu