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----- On Sep 17, 2015, at 9:13 AM, Russell King - ARM Linux linux@arm.linux.org.uk wrote:

> On Wed, Sep 16, 2015 at 06:27:10PM +0000, Mathieu Desnoyers wrote:
>> ----- 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,
>>
>> We tested the system call on our ARM board (Wandboard, SoC
>> Freescale i.MX6 Quad) by applying this patch on top of
>> Linux 4.3-rc1. Both the membarrier kselftest and
>> Userspace RCU regression tests (the latter manually wired up
>> on sys_membarrier) work fine.
>>
>> Tested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
>>
>> sys_membarrier has been pulled into Linux 4.3-rc1. Please
>> feel free to wire it up on ARM.
>
> Well, it's not going to end up with 388, but 389, because we also have
> userfaultfd added in the same merge window, and I follow the x86
> syscall ordering when adding to ARM.

That's fine with me!

Thanks,

Mathieu

>
> --
> FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
> according to speedtest.net.

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


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