[IA64] use mprintk instead of printk, in ia64_mca_modify_original_stack
authorHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Mon, 17 Nov 2008 01:18:08 +0000 (10:18 +0900)
committerTony Luck <tony.luck@intel.com>
Thu, 20 Nov 2008 21:31:10 +0000 (13:31 -0800)
Using printk from MCA/INIT context is unsafe since it can cause deadlock.
The ia64_mca_modify_original_stack is called from both of mca handler and
init handler, so it should use mprintk instead of printk.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
arch/ia64/kernel/mca.c

index 7dd96c127177ab0e8e0a835849c4cda44ff0e4a7..bab1de2d2f6a0920f40c76a5c36359d56ed2af87 100644 (file)
@@ -1139,7 +1139,7 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
        return previous_current;
 
 no_mod:
-       printk(KERN_INFO "cpu %d, %s %s, original stack not modified\n",
+       mprintk(KERN_INFO "cpu %d, %s %s, original stack not modified\n",
                        smp_processor_id(), type, msg);
        return previous_current;
 }