Re: [PATCH v2 4/9] parisc: allocate sys_membarrier system call number

From: Mathieu Desnoyers
Date: Wed Sep 16 2015 - 11:07:19 EST


----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers@xxxxxxxxxxxx wrote:

> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
> Tested-by: Helge Deller <deller@xxxxxx>
> CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> CC: linux-api@xxxxxxxxxxxxxxx
> CC: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>
> CC: linux-parisc@xxxxxxxxxxxxxxx

Hi,

FYI, sys_membarrier has been pulled into Linux 4.3-rc1. Please
feel free to wire it up on parisc.

Thanks!

Mathieu

> ---
> arch/parisc/include/uapi/asm/unistd.h | 3 ++-
> arch/parisc/kernel/syscall_table.S | 1 +
> 2 files changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/arch/parisc/include/uapi/asm/unistd.h
> b/arch/parisc/include/uapi/asm/unistd.h
> index 2e639d7..dadcada 100644
> --- a/arch/parisc/include/uapi/asm/unistd.h
> +++ b/arch/parisc/include/uapi/asm/unistd.h
> @@ -358,8 +358,9 @@
> #define __NR_memfd_create (__NR_Linux + 340)
> #define __NR_bpf (__NR_Linux + 341)
> #define __NR_execveat (__NR_Linux + 342)
> +#define __NR_membarrier (__NR_Linux + 343)
>
> -#define __NR_Linux_syscalls (__NR_execveat + 1)
> +#define __NR_Linux_syscalls (__NR_membarrier + 1)
>
>
> #define __IGNORE_select /* newselect */
> diff --git a/arch/parisc/kernel/syscall_table.S
> b/arch/parisc/kernel/syscall_table.S
> index 8eefb12..4e77991 100644
> --- a/arch/parisc/kernel/syscall_table.S
> +++ b/arch/parisc/kernel/syscall_table.S
> @@ -438,6 +438,7 @@
> ENTRY_SAME(memfd_create) /* 340 */
> ENTRY_SAME(bpf)
> ENTRY_COMP(execveat)
> + ENTRY_SAME(membarrier)
>
>
> .ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
> --
> 1.9.1

--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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