[PATCH] powerpc: Add oprofile calltrace support

Add oprofile calltrace support to powerpc. Disable spinlock backtracing
now we can use calltrace info.

(Updated to work on both 32bit and 64bit by me).

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index cc2535be3a73..2b9143b0f6ba 100644
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -126,8 +126,7 @@ static int op_powerpc_create_files(struct super_block *sb, struct dentry *root)
         sys.enable_kernel = 1;
         sys.enable_user = 1;
 #ifdef CONFIG_PPC64
-        /* Turn on backtracing through spinlocks by default */
-        sys.backtrace_spinlocks = 1;
+        sys.backtrace_spinlocks = 0;
 #endif
 
         return 0;
@@ -168,6 +167,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
         ops->shutdown = op_powerpc_shutdown;
         ops->start = op_powerpc_start;
         ops->stop = op_powerpc_stop;
+        ops->backtrace = op_powerpc_backtrace;
 
         printk(KERN_INFO "oprofile: using %s performance monitoring.\n",
                ops->cpu_type);