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authorVivek Goyal <vgoyal@in.ibm.com>2005-06-25 14:58:20 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-25 16:24:53 -0700
commit2030eae52b416a9a9f0ffda74c982b7f1e19496d (patch)
tree3715724cb19e9165873635fcdf7e9e30d86f7710 /arch/i386/kernel/setup.c
parent60e64d46a58236e3c718074372cab6a5b56a3b15 (diff)
[PATCH] Retrieve elfcorehdr address from command line
This patch adds support for retrieving the address of elf core header if one is passed in command line. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/i386/kernel/setup.c')
-rw-r--r--arch/i386/kernel/setup.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 8d58a053e12e..7306353c520e 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -44,6 +44,7 @@
#include <linux/edd.h>
#include <linux/nodemask.h>
#include <linux/kexec.h>
+#include <linux/crash_dump.h>
#include <video/edid.h>
@@ -881,6 +882,13 @@ static void __init parse_cmdline_early (char ** cmdline_p)
}
}
#endif
+#ifdef CONFIG_CRASH_DUMP
+ /* elfcorehdr= specifies the location of elf core header
+ * stored by the crashed kernel.
+ */
+ else if (!memcmp(from, "elfcorehdr=", 11))
+ elfcorehdr_addr = memparse(from+11, &from);
+#endif
/*
* highmem=size forces highmem to be exactly 'size' bytes.