From: Guenter Roeck <guenter.roeck@ericsson.com>
Date: Mon, 23 May 2011 21:05:38 +0000 (-0700)
Subject: hwmon: (coretemp) Add comments describing the handling of HT CPUs
X-Git-Tag: v3.0-rc1~324
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4e0bcf06b9771af04273473592aeeb860ca2816;p=pandora-kernel.git

hwmon: (coretemp) Add comments describing the handling of HT CPUs

The coretemp driver provides a single set of device attributes for each
physical core of a HT CPU to avoid duplicate sensors.  This
functionality was introduced with commit d883b9f09772 ("hwmon:
(coretemp) Skip duplicate CPU entries").

Commit e40cc4bdfd4b ("x86/hwmon: register alternate sibling upon CPU
removal") extends this functionality to register the HT sibling of a CPU
which is taken offline, to ensure that sensor attributes are provided if
at least one HT sibling of a core is online.

Add comments into the code describing the functionality in some more
detail.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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