diff options
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 3b9ec81ba4fb..5497fb9b00a0 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -4,6 +4,7 @@ #include <linux/bootmem.h> #include <linux/percpu.h> #include <linux/kexec.h> +#include <linux/crash_dump.h> #include <asm/smp.h> #include <asm/percpu.h> #include <asm/sections.h> @@ -501,3 +502,21 @@ void __init reserve_standard_io_resources(void) } +#ifdef CONFIG_PROC_VMCORE +/* elfcorehdr= specifies the location of elf core header + * stored by the crashed kernel. This option will be passed + * by kexec loader to the capture kernel. + */ +static int __init setup_elfcorehdr(char *arg) +{ + char *end; + if (!arg) + return -EINVAL; + elfcorehdr_addr = memparse(arg, &end); + return end > arg ? 0 : -EINVAL; +} +early_param("elfcorehdr", setup_elfcorehdr); +#endif + + + |