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ARM: 6119/1: kdump: skip indirection page when crashing
author
Mika Westerberg
<mika.westerberg@iki.fi>
Mon, 10 May 2010 08:24:53 +0000
(09:24 +0100)
committer
Russell King
<rmk+kernel@arm.linux.org.uk>
Fri, 9 Jul 2010 14:00:52 +0000
(15:00 +0100)
When we are crashing there is no indirection page in place. Only
control page is present.
Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/kernel/relocate_kernel.S
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diff --git
a/arch/arm/kernel/relocate_kernel.S
b/arch/arm/kernel/relocate_kernel.S
index 61930eb0902941030e3e180aca40f6f82697e39e..fd26f8d65151a949e6ecff394f0146258882b9d6 100644
(file)
--- a/
arch/arm/kernel/relocate_kernel.S
+++ b/
arch/arm/kernel/relocate_kernel.S
@@
-10,6
+10,12
@@
relocate_new_kernel:
ldr r0,kexec_indirection_page
ldr r1,kexec_start_address
+ /*
+ * If there is no indirection page (we are doing crashdumps)
+ * skip any relocation.
+ */
+ cmp r0, #0
+ beq 2f
0: /* top, read another word for the indirection page */
ldr r3, [r0],#4