From: Chris Dearman <chris@mips.com>
Date: Fri, 30 Jun 2006 13:19:45 +0000 (+0100)
Subject: [MIPS] Less noise on multithreading exceptions.
X-Git-Tag: v2.6.18-rc2~81^2~49
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e35a5e35e0f45209a45ec2fd6df90f5ac3a05992;p=profile%2Fivi%2Fkernel-x86-ivi.git

[MIPS] Less noise on multithreading exceptions.

Make the MT handler silent and output the MT exception type at debug
priority.

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index 5254a2222d2..b563811b1b2 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -365,7 +365,7 @@ NESTED(nmi_handler, PT_SIZE, sp)
 	BUILD_HANDLER mdmx mdmx sti silent		/* #22 */
 	BUILD_HANDLER watch watch sti verbose		/* #23 */
 	BUILD_HANDLER mcheck mcheck cli verbose		/* #24 */
-	BUILD_HANDLER mt mt sti verbose			/* #25 */
+	BUILD_HANDLER mt mt sti silent			/* #25 */
 	BUILD_HANDLER dsp dsp sti silent		/* #26 */
 	BUILD_HANDLER reserved reserved sti verbose	/* others */
 
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 8b95eca9ac7..7cbcbd9a954 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -847,31 +847,29 @@ asmlinkage void do_mt(struct pt_regs *regs)
 {
 	int subcode;
 
-	die_if_kernel("MIPS MT Thread exception in kernel", regs);
-
 	subcode = (read_vpe_c0_vpecontrol() & VPECONTROL_EXCPT)
 			>> VPECONTROL_EXCPT_SHIFT;
 	switch (subcode) {
 	case 0:
-		printk(KERN_ERR "Thread Underflow\n");
+		printk(KERN_DEBUG "Thread Underflow\n");
 		break;
 	case 1:
-		printk(KERN_ERR "Thread Overflow\n");
+		printk(KERN_DEBUG "Thread Overflow\n");
 		break;
 	case 2:
-		printk(KERN_ERR "Invalid YIELD Qualifier\n");
+		printk(KERN_DEBUG "Invalid YIELD Qualifier\n");
 		break;
 	case 3:
-		printk(KERN_ERR "Gating Storage Exception\n");
+		printk(KERN_DEBUG "Gating Storage Exception\n");
 		break;
 	case 4:
-		printk(KERN_ERR "YIELD Scheduler Exception\n");
+		printk(KERN_DEBUG "YIELD Scheduler Exception\n");
 		break;
 	case 5:
-		printk(KERN_ERR "Gating Storage Schedulier Exception\n");
+		printk(KERN_DEBUG "Gating Storage Schedulier Exception\n");
 		break;
 	default:
-		printk(KERN_ERR "*** UNKNOWN THREAD EXCEPTION %d ***\n",
+		printk(KERN_DEBUG "*** UNKNOWN THREAD EXCEPTION %d ***\n",
 			subcode);
 		break;
 	}