1 files changed, 10 insertions, 1 deletions

diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index e74732449478..a26cbe372e06 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -18,6 +18,7 @@
 
 extern struct op_mips_model op_model_mipsxx_ops __weak;
 extern struct op_mips_model op_model_loongson2_ops __weak;
+extern struct op_mips_model op_model_loongson3_ops __weak;
 
 static struct op_mips_model *model;
 
@@ -104,8 +105,17 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
         case CPU_LOONGSON2:
                 lmodel = &op_model_loongson2_ops;
                 break;
+        case CPU_LOONGSON3:
+                lmodel = &op_model_loongson3_ops;
+                break;
         };
 
+        /*
+         * Always set the backtrace. This allows unsupported CPU types to still
+         * use timer-based oprofile.
+         */
+        ops->backtrace = op_mips_backtrace;
+
         if (!lmodel)
                 return -ENODEV;
 
@@ -121,7 +131,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
         ops->start              = op_mips_start;
         ops->stop               = op_mips_stop;
         ops->cpu_type           = lmodel->cpu_type;
-        ops->backtrace          = op_mips_backtrace;
 
         printk(KERN_INFO "oprofile: using %s performance monitoring.\n",
                lmodel->cpu_type);