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List: linux-alpha
Subject: Re: [RFC PATCH v2 5/9] alpha: allocate sys_membarrier system call number
From: Mathieu Desnoyers <mathieu.desnoyers () efficios ! com>
Date: 2015-09-16 15:17:32
Message-ID: 51956530.9332.1442416652786.JavaMail.zimbra () efficios ! com
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----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers@efficios.com 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
>
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: linux-api@vger.kernel.org
> CC: Richard Henderson <rth@twiddle.net>
> CC: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
> CC: Matt Turner <mattst88@gmail.com>
> CC: linux-alpha@vger.kernel.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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