[PATCH v2 4/8] arm: kdump: skip indirection page when crashing
Mika Westerberg
ext-mika.1.westerberg at nokia.com
Wed May 5 02:54:16 EDT 2010
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 at nokia.com>
---
arch/arm/kernel/relocate_kernel.S | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S
index 61930eb..fd26f8d 100644
--- 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
--
1.5.6.5
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