From: Simon Glass <sjg@chromium.org>
Date: Wed, 24 Feb 2016 16:14:46 +0000 (-0700)
Subject: lib: Don't instrument the div64 function
X-Git-Tag: KARO-TXSD-2017-03-15~1747^2~12
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=83cc112e82fea5f521a3bf6334dce6e6c56ef0e6;p=karo-tx-uboot.git

lib: Don't instrument the div64 function

This function can be called from the timer code on instrumented functions.
Mark it as 'notrace' so that it doesn't cause infinite recursion.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---

diff --git a/lib/div64.c b/lib/div64.c
index 795ef0e1e4..319fca50fa 100644
--- a/lib/div64.c
+++ b/lib/div64.c
@@ -18,8 +18,9 @@
 
 #include <div64.h>
 #include <linux/types.h>
+#include <linux/compiler.h>
 
-uint32_t __div64_32(uint64_t *n, uint32_t base)
+uint32_t notrace __div64_32(uint64_t *n, uint32_t base)
 {
 	uint64_t rem = *n;
 	uint64_t b = base;