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authorJiang Liu <liuj97@gmail.com>2013-03-21 20:31:44 +0400
committerGeert Uytterhoeven <geert@linux-m68k.org>2013-06-16 15:47:48 +0400
commitc805a5b7ca7696bdf96ccd831fe20f7fd2e1b609 (patch)
treedb1da3779792af308fa05d8769184230991f9b84 /arch/h8300
parentc0b81e003678b983fbe652316a83413d59c8032c (diff)
downloadlinux-c805a5b7ca7696bdf96ccd831fe20f7fd2e1b609.tar.xz
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 <ysato@users.sourceforge.jp> Cc: David Howells <dhowells@redhat.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Diffstat (limited to 'arch/h8300')
-rw-r--r--arch/h8300/include/asm/barrier.h2
1 files changed, 2 insertions, 0 deletions
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()