From: H. Peter Anvin <hpa@linux.intel.com>
Date: Thu, 10 Jun 2010 00:10:43 +0000 (+0000)
Subject: x86, alternatives: Use 16-bit numbers for cpufeature index
X-Git-Tag: v2.6.36-rc1~510^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=83a7a2ad2a9173dcabc05df0f01d1d85b7ba1c2c;p=pandora-kernel.git

x86, alternatives: Use 16-bit numbers for cpufeature index

We already have cpufeature indicies above 255, so use a 16-bit number
for the alternatives index.  This consumes a padding field and so
doesn't add any size, but it means that abusing the padding field to
create assembly errors on overflow no longer works.  We can retain the
test simply by redirecting it to the .discard section, however.

[ v3: updated to include open-coded locations ]

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
LKML-Reference: <tip-f88731e3068f9d1392ba71cc9f50f035d26a0d4f@git.kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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