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Date: Tue, 1 Sep 2015 17:56:00 +0200
From: Borislav Petkov <bp@alien8.de>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@kernel.org>,
        Huang Rui <ray.huang@amd.com>, Borislav Petkov <bp@suse.de>,
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        Fengguang Wu <fengguang.wu@intel.com>, Aaron Lu <aaron.lu@intel.com>,
        Tony Li <tony.li@amd.com>
Subject: Re: [PATCH 09/15] x86, amd: add accessor for number of cores per
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On Mon, Aug 31, 2015 at 02:24:08PM -0700, Guenter Roeck wrote:
> That is a matter of driver implementation. Very commonly hwmon drivers
> implement value caching, where data from the device is only read at
> minimum intervals, and the cached values are reported if the information
> is polled too rapidly.

I don't see how we can use cached values in that case as they'd be
basically a lie as to how much power the CU/processor has consumed. I
guess it would be fairer to the user to warn instead and not issue any
values or to simply delay the read to a min timeout...

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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