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 <ys...@users.sourceforge.jp>
Cc: David Howells <dhowe...@redhat.com>
Cc: Geert Uytterhoeven <ge...@linux-m68k.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jiang Liu <jiang....@huawei.com>
---
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 c7283c3..9e0aa9f 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()
--
1.7.9.5
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