linux-kernel - Re: [PATCH v3 3/5] cpufreq: intel_pstate: Tweak the EPP sysfs interface

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Message-ID: <c2e0eb0e42024fab7202603574013904087c5695.camel@linux.intel.com>
Date:   Fri, 28 Aug 2020 15:36:48 +0300
From:   Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>
Cc:     Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Doug Smythies <dsmythies@...us.net>
Subject: Re: [PATCH v3 3/5] cpufreq: intel_pstate: Tweak the EPP sysfs
 interface

On Thu, 2020-08-27 at 17:14 +0200, Rafael J. Wysocki wrote:
> From: "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
> 
> Modify the EPP sysfs interface to reject attempts to change the EPP
> to values different from 0 ("performance") in the active mode with
> the "performance" policy (ie. scaling_governor set to "performance"),
> to avoid situations in which the kernel appears to discard data
> passed to it via the EPP sysfs attribute.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

This one looks good to me, thanks.

Reviewed-by: Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>

-- 
Best Regards,
Artem Bityutskiy