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Re: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call number

From Will Deacon <will.deacon@arm.com>
Newsgroups linux.kernel
Subject Re: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call number
Date 2015-09-16 18:40 +0200
Message-ID <q9nUt-1tZ-7@gated-at.bofh.it> (permalink)
References <q67jb-2cI-3@gated-at.bofh.it> <q67jb-2cI-19@gated-at.bofh.it> <q9mF4-8dp-19@gated-at.bofh.it>
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Hi Mathieu,

On Wed, Sep 16, 2015 at 04:18:39PM +0100, Mathieu Desnoyers wrote:
> ----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers@efficios.com wrote:
> 
> > arm64 sys_membarrier number is already wired for arm64 through
> > asm-generic/unistd.h, but needs to be allocated separately for
> > the 32-bit compability layer of arm64.
> > 
> > [ 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. ]
> 
> sys_membarrier has been merged into Linux 4.3-rc1. sys_membarrier can therefore
> be tested on top of Linus' master.

Just to say that I'm happy to merge this once arch/arm/ also has the
syscall wired up. It'd be a bit weird to have the support in the arm64
compat layer but not the arch/arm/ native kernel!

Will
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Thread

[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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