Re: [RFC PATCH 4/9] mips: allocate sys_membarrier system call number

Mathieu Desnoyers
2015-08-28T14:06:28Z

----- On Aug 28, 2015, at 3:40 AM, Ralf Baechle ralf@linux-mips.org wrote:

> On Thu, Aug 27, 2015 at 01:56:50PM -0400, Mathieu Desnoyers 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. ]
>>
>> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
>> CC: Andrew Morton <akpm@linux-foundation.org>
>> CC: linux-api@vger.kernel.org
>> CC: Ralf Baechle <ralf@linux-mips.org>
>> CC: linux-mips@linux-mips.org
>> ---
>> arch/mips/include/uapi/asm/unistd.h | 15 +++++++++------
>> arch/mips/kernel/scall32-o32.S | 1 +
>> arch/mips/kernel/scall64-64.S | 1 +
>> arch/mips/kernel/scall64-n32.S | 1 +
>> arch/mips/kernel/scall64-o32.S | 1 +
>> 5 files changed, 13 insertions(+), 6 deletions(-)
>
> Looking good assuming there is no compat syscall required.

Indeed, sys_membarrier only takes two integer arguments, so no
compat syscall is required.

Thanks!

Mathieu

--
Mathieu Desnoyers
EfficiOS Inc.