[ Untested on this architecture. To try it out: fetch linux-next/akpm,
apply this patch, build/run a membarrier-enabled kernel, and do make
kselftest. ]
Signed-off-by: Mathieu Desnoyers <mathieu.desnoy...@efficios.com>
CC: Andrew Morton <a...@linux-foundation.org>
CC: linux-...@vger.kernel.org
CC: Richard Henderson <r...@twiddle.net>
CC: Ivan Kokshaysky <i...@jurassic.park.msu.ru>
CC: Matt Turner <matts...@gmail.com>
CC: linux-al...@vger.kernel.org
---
arch/alpha/include/asm/unistd.h | 2 +-
arch/alpha/include/uapi/asm/unistd.h | 1 +
arch/alpha/kernel/systbls.S | 1 +
3 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index a56e608..07aa4ca 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -3,7 +3,7 @@
#include <uapi/asm/unistd.h>
-#define NR_SYSCALLS 514
+#define NR_SYSCALLS 515
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_STAT64
diff --git a/arch/alpha/include/uapi/asm/unistd.h
b/arch/alpha/include/uapi/asm/unistd.h
index aa33bf5..7725619 100644
--- a/arch/alpha/include/uapi/asm/unistd.h
+++ b/arch/alpha/include/uapi/asm/unistd.h
@@ -475,5 +475,6 @@
#define __NR_getrandom 511
#define __NR_memfd_create 512
#define __NR_execveat 513
+#define __NR_membarrier 514
#endif /* _UAPI_ALPHA_UNISTD_H */
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index 9b62e3f..1ea64f4 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -532,6 +532,7 @@ sys_call_table:
.quad sys_getrandom
.quad sys_memfd_create
.quad sys_execveat
+ .quad sys_membarrier
.size sys_call_table, . - sys_call_table
.type sys_call_table, @object
--
1.9.1
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