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Re: [RFC PATCH v2 6/9] arm: allocate sys_membarrier system call number

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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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[PATCH v2 0/9] Allocate sys_membarrier on main architectures Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-07 18:20 +0200
  [PATCH v2 4/9] parisc: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-07 18:20 +0200
    Re: [PATCH v2 4/9] parisc: allocate sys_membarrier system call  number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-16 17:10 +0200
      Re: [PATCH v2 4/9] parisc: allocate sys_membarrier system call number Helge Deller <deller@gmx.de> - 2015-09-16 22:00 +0200
  [PATCH v2 1/9] [picked] powerpc: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-07 18:20 +0200
  [RFC PATCH v2 5/9] alpha: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-07 18:20 +0200
    Re: [RFC PATCH v2 5/9] alpha: allocate sys_membarrier system call  number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-16 17:20 +0200
  [PATCH v2 3/9] sparc/sparc64: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-07 18:20 +0200
    Re: [PATCH v2 3/9] sparc/sparc64: allocate sys_membarrier system  call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-16 17:10 +0200
      Re: [PATCH v2 3/9] sparc/sparc64: allocate sys_membarrier system  call number David Miller <davem@davemloft.net> - 2015-09-16 20:00 +0200
        Re: [PATCH v2 3/9] sparc/sparc64: allocate sys_membarrier system  call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-16 20:10 +0200
  [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-07 18:20 +0200
    Re: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call  number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-16 17:20 +0200
      Re: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call  number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-16 18:40 +0200
        Re: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call  number Will Deacon <will.deacon@arm.com> - 2015-09-16 18:40 +0200
      Re: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call  number Will Deacon <will.deacon@arm.com> - 2015-09-16 18:40 +0200
  [RFC PATCH v2 9/9] s390/s390x: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-07 18:20 +0200
    Re: [RFC PATCH v2 9/9] s390/s390x: allocate sys_membarrier system  call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-16 17:30 +0200
      Re: [RFC PATCH v2 9/9] s390/s390x: allocate sys_membarrier system  call number Martin Schwidefsky <schwidefsky@de.ibm.com> - 2015-09-17 13:40 +0200
  [RFC PATCH v2 6/9] arm: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-07 18:20 +0200
    Re: [RFC PATCH v2 6/9] arm: allocate sys_membarrier system call  number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-16 20:30 +0200
      Re: [RFC PATCH v2 6/9] arm: allocate sys_membarrier system call  number Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-09-17 15:20 +0200
        Re: [RFC PATCH v2 6/9] arm: allocate sys_membarrier system call  number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-17 15:40 +0200
          Re: [RFC PATCH v2 6/9] arm: allocate sys_membarrier system call  number Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-09-17 15:50 +0200
  [RFC PATCH v2 8/9] ia64: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-07 18:20 +0200
    Re: [RFC PATCH v2 8/9] ia64: allocate sys_membarrier system call  number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-09-16 17:20 +0200

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