2 files changed, 19 insertions, 1 deletions

diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 7ff67f8e9f8c..163cdf39be20 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -104,6 +104,24 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         return IRQ_HANDLED;
 }
 
+
+unsigned long profile_pc(struct pt_regs *regs)
+{
+        unsigned long pc = instruction_pointer(regs);
+
+        if (regs->gr[0] & PSW_N)
+                pc -= 4;
+
+#ifdef CONFIG_SMP
+        if (in_lock_functions(pc))
+                pc = regs->gr[2];
+#endif
+
+        return pc;
+}
+EXPORT_SYMBOL(profile_pc);
+
+
 /*** converted from ia64 ***/
 /*
  * Return the number of micro-seconds that elapsed since the last
diff --git a/include/asm-parisc/ptrace.h b/include/asm-parisc/ptrace.h
index 3f428aa371a4..93f990e418f1 100644
--- a/include/asm-parisc/ptrace.h
+++ b/include/asm-parisc/ptrace.h
@@ -49,7 +49,7 @@ struct pt_regs {
 #define user_mode(regs)                 (((regs)->iaoq[0] & 3) ? 1 : 0)
 #define user_space(regs)                (((regs)->iasq[1] != 0) ? 1 : 0)
 #define instruction_pointer(regs)       ((regs)->iaoq[0] & ~3)
-#define profile_pc(regs) instruction_pointer(regs)
+unsigned long profile_pc(struct pt_regs *);
 extern void show_regs(struct pt_regs *);
 #endif