aboutsummaryrefslogtreecommitdiff
path: root/arch/ia64/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/kernel')
-rw-r--r--arch/ia64/kernel/crash_dump.c4
-rw-r--r--arch/ia64/kernel/setup.c9
2 files changed, 12 insertions, 1 deletions
diff --git a/arch/ia64/kernel/crash_dump.c b/arch/ia64/kernel/crash_dump.c
index da60e90eeeb..23e91290e41 100644
--- a/arch/ia64/kernel/crash_dump.c
+++ b/arch/ia64/kernel/crash_dump.c
@@ -8,10 +8,14 @@
#include <linux/errno.h>
#include <linux/types.h>
+#include <linux/crash_dump.h>
#include <asm/page.h>
#include <asm/uaccess.h>
+/* Stores the physical address of elf header of crash image. */
+unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
+
/**
* copy_oldmem_page - copy one page from "oldmem"
* @pfn: page frame number to be copied
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index de636b21567..a0286be6c23 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -478,7 +478,12 @@ static __init int setup_nomca(char *s)
}
early_param("nomca", setup_nomca);
-#ifdef CONFIG_PROC_VMCORE
+/*
+ * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by
+ * is_kdump_kernel() to determine if we are booting after a panic. Hence
+ * ifdef it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE.
+ */
+#ifdef CONFIG_CRASH_DUMP
/* elfcorehdr= specifies the location of elf core header
* stored by the crashed kernel.
*/
@@ -491,7 +496,9 @@ static int __init parse_elfcorehdr(char *arg)
return 0;
}
early_param("elfcorehdr", parse_elfcorehdr);
+#endif
+#ifdef CONFIG_PROC_VMCORE
int __init reserve_elfcorehdr(unsigned long *start, unsigned long *end)
{
unsigned long length;