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From: "Rafael J. Wysocki" <rafael@kernel.org>
Date: Mon, 17 Apr 2017 00:57:10 +0200
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Subject: Re: [RESEND PATCH] tools/power/x86/intel_pstate_tracer: Adjust
 directory permissions
To: Doug Smythies <doug.smythies@gmail.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Len Brown <len.brown@intel.com>, Doug Smythies <dsmythies@telus.net>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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On Sun, Apr 16, 2017 at 5:17 PM, Doug Smythies <doug.smythies@gmail.com> wrote:
> Depending on what is being done, the intel_pstate_tracer.py script
> needs to be run as root, or can be run as a regular user.
> If run the first time as root the results directory will be
> incorrect for any subsequent run as a regular user.

Which is OK.

For security reasons, non-root should not be able to modify root-owned
directories.

Thanks,
Rafael