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

Re: [RFC PATCH v2 8/9] ia64: allocate sys_membarrier system call number

From: Mathieu Desnoyers <hidden>
Date: 2015-09-16 15:19:23
Also in: 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. It 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: Tony Luck <redacted>
CC: Fenghua Yu <redacted>
CC: linux-ia64-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
arch/ia64/include/asm/unistd.h      | 2 +-
arch/ia64/include/uapi/asm/unistd.h | 1 +
arch/ia64/kernel/entry.S            | 1 +
3 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index 95c39b9..1d54e17 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -11,7 +11,7 @@



-#define NR_syscalls			319 /* length of syscall table */
+#define NR_syscalls			320 /* length of syscall table */
/*
 * The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/include/uapi/asm/unistd.h
b/arch/ia64/include/uapi/asm/unistd.h
index 4610795..b7aae55 100644
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -332,5 +332,6 @@
#define __NR_memfd_create		1340
#define __NR_bpf			1341
#define __NR_execveat			1342
+#define __NR_membarrier			1343

#endif /* _UAPI_ASM_IA64_UNISTD_H */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index ae0de7b..1ce01f9 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1768,5 +1768,6 @@ sys_call_table:
	data8 sys_memfd_create			// 1340
	data8 sys_bpf
	data8 sys_execveat
+	data8 sys_membarrier

	.org sys_call_table + 8*NR_syscalls	// guard against failures to increase
	NR_syscalls
--
1.9.1
-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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