diff mbox series

[05/10] x86: Convert from ACCESS_ONCE to READ/WRITE_ONCE

Message ID 20200514123009.5721-5-trini@konsulko.com
State Accepted
Commit 897860ebc1a86506055f6225efff7888fe27d6ee
Headers show
Series [01/10] kconfiglib: Update to the 14.1.0 release | expand

Commit Message

Tom Rini May 14, 2020, 12:30 p.m. UTC
In order to update our <linux/compiler.h> to a newer version that no
longer provides ACCESS_ONCE() but only READ_ONCE()/WRITE_ONCE() we need
to convert arch/x86/include/asm/atomic.h to the other macros.

Cc: Simon Glass <sjg at chromium.org>
Cc: Bin Meng <bmeng.cn at gmail.com>
Signed-off-by: Tom Rini <trini at konsulko.com>
---
 arch/x86/include/asm/atomic.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Simon Glass May 20, 2020, 3:07 a.m. UTC | #1
On Thu, 14 May 2020 at 06:30, Tom Rini <trini at konsulko.com> wrote:
>
> In order to update our <linux/compiler.h> to a newer version that no
> longer provides ACCESS_ONCE() but only READ_ONCE()/WRITE_ONCE() we need
> to convert arch/x86/include/asm/atomic.h to the other macros.
>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Bin Meng <bmeng.cn at gmail.com>
> Signed-off-by: Tom Rini <trini at konsulko.com>
> ---
>  arch/x86/include/asm/atomic.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Reviewed-by: Simon Glass <sjg at chromium.org>
diff mbox series

Patch

diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index 806f7873819e..002e36ba53e6 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -22,7 +22,7 @@  typedef struct { volatile int counter; } atomic_t;
  */
 static inline int atomic_read(const atomic_t *v)
 {
-	return ACCESS_ONCE((v)->counter);
+	return READ_ONCE((v)->counter);
 }
 
 /**