From: H. Peter Anvin <hpa@zytor.com>
Date: Tue, 19 Aug 2008 00:39:32 +0000 (-0700)
Subject: x86: add NOPL as a synthetic CPU feature bit
X-Git-Tag: v2.6.27-rc6~23^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6734c35af028f06772c0b2c836c7d579e6d4dad;p=pandora-kernel.git

x86: add NOPL as a synthetic CPU feature bit

The long noops ("NOPL") are supposed to be detected by family >= 6.
Unfortunately, several non-Intel x86 implementations, both hardware
and software, don't obey this dictum.  Instead, probe for NOPL
directly by executing a NOPL instruction and see if we get #UD.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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