Messages in this thread | | | Date | Wed, 16 Sep 2015 17:35:27 +0100 | From | Will Deacon <> | Subject | Re: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call number |
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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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