Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc2' into tracing/core
[linux-2.6.git] / drivers / char / sysrq.c
index 985dc8f..30659ce 100644 (file)
@@ -473,6 +473,12 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
        unsigned long flags;
 
        spin_lock_irqsave(&sysrq_key_table_lock, flags);
+       /*
+        * Raise the apparent loglevel to maximum so that the sysrq header
+        * is shown to provide the user with positive feedback.  We do not
+        * simply emit this at KERN_EMERG as that would change message
+        * routing in the consumers of /proc/kmsg.
+        */
        orig_log_level = console_loglevel;
        console_loglevel = 7;
        printk(KERN_INFO "SysRq : ");