From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Wed, 17 Dec 2008 10:09:35 +0000 (+0000)
Subject: powerpc/kdump: Use ppc_save_regs() in crash_setup_regs()
X-Git-Tag: v2.6.29-rc1~50^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02af87a74271977d09ece9b709909dcae3f9fab9;p=pandora-kernel.git

powerpc/kdump: Use ppc_save_regs() in crash_setup_regs()

The patch replaces internal registers dump implementation with
ppc_save_regs(). From now on PPC64 and PPC32 are using the same
code for crash_setup_regs().

NOTE: The old regs dump implementation was capturing SP (r1) directly
as is, so you could see crash_kexec() function on top of the back-trace.
But ppc_save_regs() goes up one stack frame, so you'll not see it
anymore, at the top-level you'll see who actually triggered the crash
dump instead.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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