From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Date: Mon, 12 May 2008 15:58:48 +0000 (+0200)
Subject: [MIPS] Fix check for valid stack pointer during backtrace
X-Git-Tag: v2.6.26-rc6~97^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10220c884444a1866bb070e207d84fc18188e2a7;p=pandora-kernel.git

[MIPS] Fix check for valid stack pointer during backtrace

The newly added check for valid stack pointer address breaks at least for
64bit kernels.  Use __get_user() for accessing stack content to avoid crashes,
when doing the backtrace.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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