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[U-Boot,v2,05/16] lib: Don't instrument the div64 function

Message ID 1456330497-15242-6-git-send-email-sjg@chromium.org
State Accepted
Delegated to: Simon Glass
Headers show

Commit Message

Simon Glass Feb. 24, 2016, 4:14 p.m. UTC 
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>
---

Changes in v2: None

 lib/div64.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Simon Glass Feb. 26, 2016, 5:13 p.m. UTC | #1 
On 24 February 2016 at 09:14, Simon Glass <sjg@chromium.org> wrote:
> 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>
> ---
>
> Changes in v2: None
>
>  lib/div64.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Applied to u-boot-dm.
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Patch

diff --git a/lib/div64.c b/lib/div64.c
index 795ef0e..319fca5 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;