Thread (29 messages) 29 messages, 6 authors, 2015-09-28

Re: [RFC PATCH v2 5/9] alpha: allocate sys_membarrier system call number

From: Mathieu Desnoyers <hidden>
Date: 2015-09-16 15:17:46
Also in: linux-alpha, lkml

----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org wrote:
[ 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. ]
Hi,

sys_membarrier has been merged into Linux 4.3-rc1. sys_membarrier can therefore
be tested on top of Linus' master.

Thanks,

Mathieu
quoted hunk ↗ jump to hunk
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
CC: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
CC: linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
CC: Richard Henderson <redacted>
CC: Ivan Kokshaysky <ink-biIs/Y0ymYJMZLIVYojuPNP0rXTJTi09@public.gmane.org>
CC: Matt Turner <redacted>
CC: linux-alpha-u79uwXL29TY76Z2rM5mHXA@public.gmane.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
-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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