x86/debug: Add KERN_<LEVEL> to bare printks, convert printks to pr_<level>

Use a more current logging style:

 - Bare printks should have a KERN_<LEVEL> for consistency's sake
 - Add pr_fmt where appropriate
 - Neaten some macro definitions
 - Convert some Ok output to OK
 - Use "%s: ", __func__ in pr_fmt for summit
 - Convert some printks to pr_<level>

Message output is not identical in all cases.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: levinsasha928@gmail.com
Link: http://lkml.kernel.org/r/1337655007.24226.10.camel@joe2Laptop
[ merged two similar patches, tidied up the changelog ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 05b31d9..b481341 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -9,6 +9,9 @@
 /*
  * Handle hardware traps and faults.
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/interrupt.h>
 #include <linux/kallsyms.h>
 #include <linux/spinlock.h>
@@ -143,12 +146,11 @@
 #ifdef CONFIG_X86_64
 	if (show_unhandled_signals && unhandled_signal(tsk, signr) &&
 	    printk_ratelimit()) {
-		printk(KERN_INFO
-		       "%s[%d] trap %s ip:%lx sp:%lx error:%lx",
-		       tsk->comm, tsk->pid, str,
-		       regs->ip, regs->sp, error_code);
+		pr_info("%s[%d] trap %s ip:%lx sp:%lx error:%lx",
+			tsk->comm, tsk->pid, str,
+			regs->ip, regs->sp, error_code);
 		print_vma_addr(" in ", regs->ip);
-		printk("\n");
+		pr_cont("\n");
 	}
 #endif
 
@@ -269,12 +271,11 @@
 
 	if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) &&
 			printk_ratelimit()) {
-		printk(KERN_INFO
-			"%s[%d] general protection ip:%lx sp:%lx error:%lx",
+		pr_info("%s[%d] general protection ip:%lx sp:%lx error:%lx",
 			tsk->comm, task_pid_nr(tsk),
 			regs->ip, regs->sp, error_code);
 		print_vma_addr(" in ", regs->ip);
-		printk("\n");
+		pr_cont("\n");
 	}
 
 	force_sig(SIGSEGV, tsk);
@@ -570,7 +571,7 @@
 	conditional_sti(regs);
 #if 0
 	/* No need to warn about this any longer. */
-	printk(KERN_INFO "Ignoring P6 Local APIC Spurious Interrupt Bug...\n");
+	pr_info("Ignoring P6 Local APIC Spurious Interrupt Bug...\n");
 #endif
 }