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

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----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers@xxxxxxxxxxxx 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@xxxxxxxxxxxx>
> CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> CC: linux-api@xxxxxxxxxxxxxxx
> CC: Richard Henderson <rth@xxxxxxxxxxx>
> CC: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>
> CC: Matt Turner <mattst88@xxxxxxxxx>
> CC: linux-alpha@xxxxxxxxxxxxxxx
> ---
> 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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