linux-kernel - [RFC PATCH 7/9] alpha: allocate sys

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Date:	Thu, 27 Aug 2015 13:56:53 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-api@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Richard Henderson <rth@...ddle.net>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Matt Turner <mattst88@...il.com>, linux-alpha@...r.kernel.org
Subject: [RFC PATCH 7/9] alpha: allocate sys_membarrier system call number

[ 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.desnoyers@...icios.com>
CC: Andrew Morton <akpm@...ux-foundation.org>
CC: linux-api@...r.kernel.org
CC: Richard Henderson <rth@...ddle.net>
CC: Ivan Kokshaysky <ink@...assic.park.msu.ru>
CC: Matt Turner <mattst88@...il.com>
CC: linux-alpha@...r.kernel.org
---
 arch/alpha/include/uapi/asm/unistd.h | 1 +
 arch/alpha/kernel/systbls.S          | 1 +
 2 files changed, 2 insertions(+)

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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