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

[Will Deacon]

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@xxxxxxxxxxxx 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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