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

[Mathieu Desnoyers <mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>]

----- On Aug 28, 2015, at 3:40 AM, Ralf Baechle ralf-6z/3iImG2C8G8FEW9MqTrA@public.gmane.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-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
>> CC: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
>> CC: linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
>> CC: Ralf Baechle <ralf-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org>
>> CC: linux-mips-6z/3iImG2C8G8FEW9MqTrA@public.gmane.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.
http://www.efficios.com