Blob Blame History Raw
From 45b33eb2e70cd44f41abf1058a92659cb4315011 Mon Sep 17 00:00:00 2001
From: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Date: Fri, 25 Jul 2014 17:07:49 +0200
Subject: [PATCH] ppc64/kdump: Fix ELF header endianess

The ELF header created among the loading of the kdump kernel should be
flagged using the current endianess and not always as big endian.

Without this patch the data exposed in /proc/vmcore are not readable when
running in LE mode.

Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
 kexec/arch/ppc64/crashdump-ppc64.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kexec/arch/ppc64/crashdump-ppc64.c b/kexec/arch/ppc64/crashdump-ppc64.c
index 00a0e63..6214b83 100644
--- a/kexec/arch/ppc64/crashdump-ppc64.c
+++ b/kexec/arch/ppc64/crashdump-ppc64.c
@@ -38,7 +38,11 @@
 static struct crash_elf_info elf_info64 =
 {
 	class: ELFCLASS64,
+#if BYTE_ORDER == LITTLE_ENDIAN
+	data: ELFDATA2LSB,
+#else
 	data: ELFDATA2MSB,
+#endif
 	machine: EM_PPC64,
 	page_offset: PAGE_OFFSET,
 	lowmem_limit: MAXMEM,
-- 
1.9.3