From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Andrew Morton <akpm@linux-foundation.org>, linux-api@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v2 1/9] [picked] powerpc: allocate sys_membarrier system call number
Date: Mon, 7 Sep 2015 12:15:48 -0400 [thread overview]
Message-ID: <1441642556-30972-2-git-send-email-mathieu.desnoyers@efficios.com> (raw)
In-Reply-To: <1441642556-30972-1-git-send-email-mathieu.desnoyers@efficios.com>
Allow it to be used from SPU, since it should not have unwanted
side-effects.
[ Picked-by: Michael Ellerman <mpe@ellerman.id.au> ]
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: linux-api@vger.kernel.org
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Paul Mackerras <paulus@samba.org>
CC: Michael Ellerman <mpe@ellerman.id.au>
CC: linuxppc-dev@lists.ozlabs.org
---
arch/powerpc/include/asm/systbl.h | 1 +
arch/powerpc/include/asm/unistd.h | 2 +-
arch/powerpc/include/uapi/asm/unistd.h | 1 +
3 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 4d65499..126d0c4 100644
--- 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
--- 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
--- 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_ */
--
1.9.1
parent reply other threads:[~2015-09-07 16:16 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <1441642556-30972-1-git-send-email-mathieu.desnoyers@efficios.com>]
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