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Message-Id: <1440698215-8355-9-git-send-email-mathieu.desnoyers@efficios.com>
Date: Thu, 27 Aug 2015 13:56:54 -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>,
Tony Luck <tony.luck@...el.com>,
Fenghua Yu <fenghua.yu@...el.com>, linux-ia64@...r.kernel.org
Subject: [RFC PATCH 8/9] ia64: 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: Tony Luck <tony.luck@...el.com>
CC: Fenghua Yu <fenghua.yu@...el.com>
CC: linux-ia64@...r.kernel.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
--
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