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authorHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>2008-11-17 01:18:08 (GMT)
committerTony Luck <tony.luck@intel.com>2008-11-20 21:31:10 (GMT)
commitef23cdbefc3ab7f2ee9ee6dc6d4a94d7d6ec5e2b (patch)
tree1030256e984b98b65b6741112441d9af0622cceb
parentb704882e70d87d7f56db5ff17e2253f3fa90e4f3 (diff)
downloadlinux-ef23cdbefc3ab7f2ee9ee6dc6d4a94d7d6ec5e2b.tar.xz
[IA64] use mprintk instead of printk, in ia64_mca_modify_original_stack
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>
-rw-r--r--arch/ia64/kernel/mca.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 7dd96c1..bab1de2 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -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;
}