arc, print-fatal-signals: reduce duplicated information

After the recent generic debug info on dump_stack() and friends, arc
is printing duplicate information on debug dumps.

 [ARCLinux]$ ./crash
 crash/50: potentially unexpected fatal signal 11.	<-- [1]
 /sbin/crash, TGID 50					<-- [2]
 Pid: 50, comm: crash Not tainted 3.9.0-rc4+ #132 	<-- [3]
 ...

Remove them.

[tj@kernel.org: updated patch desc]
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/signal.c b/kernel/signal.c
index 598dc06..27ece01 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1160,8 +1160,7 @@
 static void print_fatal_signal(int signr)
 {
 	struct pt_regs *regs = signal_pt_regs();
-	printk(KERN_INFO "%s/%d: potentially unexpected fatal signal %d.\n",
-		current->comm, task_pid_nr(current), signr);
+	printk(KERN_INFO "potentially unexpected fatal signal %d.\n", signr);
 
 #if defined(__i386__) && !defined(__arch_um__)
 	printk(KERN_INFO "code at %08lx: ", regs->ip);