powerpc: Wire up sys_membarrier()

The selftest passes on 64-bit LE & BE, and 32-bit.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 4d65499..126d0c4 100644 (file)
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -369,3 +369,4 @@ SYSCALL_SPU(bpf)
 COMPAT_SYS(execveat)
 PPC64ONLY(switch_endian)
 SYSCALL_SPU(userfaultfd)
+SYSCALL_SPU(membarrier)

diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 4a055b6..13411be 100644 (file)
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
 #include <uapi/asm/unistd.h>
 
 
-#define __NR_syscalls          365
+#define __NR_syscalls          366
 
 #define __NR__exit __NR_exit
 #define NR_syscalls    __NR_syscalls

diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index 6ad58d4..6337738 100644 (file)
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -387,5 +387,6 @@
 #define __NR_execveat          362
 #define __NR_switch_endian     363
 #define __NR_userfaultfd       364
+#define __NR_membarrier                365
 
 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */