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[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>
This commit is contained in:
Chris Dearman 2006-06-30 14:19:45 +01:00 committed by Ralf Baechle
parent 98ab66cdd1
commit e35a5e35e0
2 changed files with 8 additions and 10 deletions
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2
arch/mips/kernel/genex.S
View File

@ -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 */

16
arch/mips/kernel/traps.c
View File

@ -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;
}