More oprofile bits for MIPS32-style performance counters. The code to
bolt this into the actual hardware interrupt is yet missing from this
commit.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
FEXPORT(ret_from_fork)
diff --git a/arch/mips/oprofile/op_impl.h b/arch/mips/oprofile/op_impl.h
index 9f5cdff..f012155 100644
--- a/arch/mips/oprofile/op_impl.h
+++ b/arch/mips/oprofile/op_impl.h
@@ -10,6 +10,11 @@
#ifndef OP_IMPL_H
#define OP_IMPL_H 1
+struct pt_regs;
+
+extern void null_perf_irq(struct pt_regs *regs);
+extern void (*perf_irq)(struct pt_regs *regs);
+
/* Per-counter configuration as set via oprofilefs. */
struct op_counter_config {
unsigned long enabled;
