[IA64] Fix kernel panic in kdump on INIT

Fix the problem that kdump on INIT causes a kernel panic if kdump
kernel image is not configured. The cause of this problem is
machine_kexec_on_init() is using printk in INIT context. It should
use ia64_mca_printk() instead.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-ia64/mca.h b/include/asm-ia64/mca.h
index edd5d01028df..823553bf12e6 100644
--- a/include/asm-ia64/mca.h
+++ b/include/asm-ia64/mca.h
@@ -151,6 +151,8 @@ extern void ia64_mca_cmc_vector_setup(void);
 extern int  ia64_reg_MCA_extension(int (*fn)(void *, struct ia64_sal_os_state *));
 extern void ia64_unreg_MCA_extension(void);
 extern u64 ia64_get_rnat(u64 *);
+extern void ia64_mca_printk(const char * fmt, ...)
+         __attribute__ ((format (printf, 1, 2)));
 
 struct ia64_mca_notify_die {
         struct ia64_sal_os_state *sos;