diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-i386/kexec.h | 3 | ||||
| -rw-r--r-- | include/linux/crash_dump.h | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-i386/kexec.h b/include/asm-i386/kexec.h index c5b4ab95bdc..bcb5b21de2d 100644 --- a/include/asm-i386/kexec.h +++ b/include/asm-i386/kexec.h @@ -42,6 +42,9 @@ /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_386 +/* We can also handle crash dumps from 64 bit kernel. */ +#define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64) + #define MAX_NOTE_BYTES 1024 /* CPU does not save ss and esp on stack if execution is already diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index 32503657f14..22c7ac5cd80 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -14,5 +14,13 @@ extern ssize_t copy_oldmem_page(unsigned long, char *, size_t, extern const struct file_operations proc_vmcore_operations; extern struct proc_dir_entry *proc_vmcore; +/* Architecture code defines this if there are other possible ELF + * machine types, e.g. on bi-arch capable hardware. */ +#ifndef vmcore_elf_check_arch_cross +#define vmcore_elf_check_arch_cross(x) 0 +#endif + +#define vmcore_elf_check_arch(x) (elf_check_arch(x) || vmcore_elf_check_arch_cross(x)) + #endif /* CONFIG_CRASH_DUMP */ #endif /* LINUX_CRASHDUMP_H */ |