From: Ralf Baechle <ralf@linux-mips.org>
Date: Sat, 13 Oct 2012 20:46:26 +0000 (+0200)
Subject: MIPS: tlbex: Deal with re-definition of label
X-Git-Tag: v3.7-rc2~27^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02a5417751c31cd64197652c000a5ab0d3261465;p=pandora-kernel.git

MIPS: tlbex: Deal with re-definition of label

The microassembler used in tlbex.c does not notice if a label is redefined
resulting in relocations against such labels silently missrelocated.
The issues exists since commit add6eb04776db4189ea89f596cbcde31b899be9d
[Synthesize TLB exception handlers at runtime.] in 2.6.10 and went unnoticed
for so long because the relocations for the affected branches got computed
to do something *almost* sensible.

The issue affects R4000, R4400, QED/IDT RM5230, RM5231, RM5260, RM5261,
RM5270 and RM5271 processors.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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