From c805a5b7ca7696bdf96ccd831fe20f7fd2e1b609 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Fri, 22 Mar 2013 00:31:44 +0800 Subject: [PATCH] h8300: add missing definition for read_barries_depends() Add missing definition for read_barries_depends() for h8300 to fix error: kernel/task_work.c: In function 'task_work_cancel': kernel/task_work.c:38:3: error: implicit declaration of function 'read_barrier_depends' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors make[1]: *** [kernel/task_work.o] Error 1 make: *** [kernel] Error 2 Cc: Yoshinori Sato Cc: David Howells Cc: Geert Uytterhoeven Cc: linux-kernel@vger.kernel.org Signed-off-by: Jiang Liu --- arch/h8300/include/asm/barrier.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/h8300/include/asm/barrier.h b/arch/h8300/include/asm/barrier.h index c7283c343c55..9e0aa9fc195d 100644 --- a/arch/h8300/include/asm/barrier.h +++ b/arch/h8300/include/asm/barrier.h @@ -12,6 +12,8 @@ #define wmb() asm volatile ("" : : :"memory") #define set_mb(var, value) do { xchg(&var, value); } while (0) +#define read_barrier_depends() do { } while (0) + #ifdef CONFIG_SMP #define smp_mb() mb() #define smp_rmb() rmb() -- 2.39.5