[PATCH] s390: add oprofile callgraph support
Signed-off-by: Andreas Krebbel <krebbel1@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index a65ead0..7a99511 100644
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -12,8 +12,12 @@
#include <linux/init.h>
#include <linux/errno.h>
+
+extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth);
+
int __init oprofile_arch_init(struct oprofile_operations* ops)
{
+ ops->backtrace = s390_backtrace;
return -ENODEV;
}