sh: oprofile: Make sure the backtrace op is available for timer-fallback.
Presently with hardware counter support disabled the backtrace op never
gets initialized. This is a regression over the previous behaviour, so
simply add it back in.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/oprofile/common.c b/arch/sh/oprofile/common.c
index 8453314..b4c2d2b 100644
--- a/arch/sh/oprofile/common.c
+++ b/arch/sh/oprofile/common.c
@@ -21,9 +21,9 @@
#include <linux/slab.h>
#include <asm/processor.h>
-#ifdef CONFIG_HW_PERF_EVENTS
extern void sh_backtrace(struct pt_regs * const regs, unsigned int depth);
+#ifdef CONFIG_HW_PERF_EVENTS
/*
* This will need to be reworked when multiple PMUs are supported.
*/
@@ -57,7 +57,7 @@
#else
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
- pr_info("oprofile: hardware counters not available\n");
+ ops->backtrace = sh_backtrace;
return -ENODEV;
}
void __exit oprofile_arch_exit(void) {}