From: Jan Beulich <jbeulich@novell.com>
Date: Fri, 23 Jun 2006 09:04:19 +0000 (-0700)
Subject: [PATCH] fix x86 microcode driver handling of multiple matching revisions
X-Git-Tag: v2.6.18-rc1~1081^2~125
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba528f2854e8632c8d04ddcd45f06c47bc7188b0;p=pandora-kernel.git

[PATCH] fix x86 microcode driver handling of multiple matching revisions

When multiple updates matching a given CPU are found in the update file, the
action taken by the microcode update driver was inappropriate:

- when lower revision microcode was found before matching or higher revision
  one, the driver would needlessly complain that it would not downgrade the
  CPU
- when microcode matching the currently installed revision was found before
  newer revision code, no update would actually take place

To change this behavior, the driver now concludes about possibly updates and
issues messages only when the entire input was parsed.

Additionally, this adds back (in different places, and conditionalized upon
a new module option) some messages removed by a previous patch.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: Tigran Aivazian <tigran_aivazian@symantec.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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