Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1216044

Re: [RFC PATCH 1/9] powerpc: allocate sys_membarrier system call number

From Michael Ellerman <mpe@ellerman.id.au>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 1/9] powerpc: allocate sys_membarrier system call number
Date 2015-08-31 09:00 +0200
Message-ID <q3rep-5o-5@gated-at.bofh.it> (permalink)
References <q29MB-3F0-5@gated-at.bofh.it> <q29MC-3F0-35@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Thu, 2015-08-27 at 13:56 -0400, Mathieu Desnoyers wrote:
> Allow it to be used from SPU, since it should not have unwanted
> side-effects.
> 
> [ 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. ]
> 
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: linux-api@vger.kernel.org
> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> CC: Paul Mackerras <paulus@samba.org>
> CC: Michael Ellerman <mpe@ellerman.id.au>
> CC: linuxppc-dev@lists.ozlabs.org

Thanks.

I get:

$ ./membarrier_test
membarrier MEMBARRIER_CMD_QUERY syscall available.
membarrier: MEMBARRIER_CMD_SHARED success.
membarrier: tests done!

Which looks good.

Assuming the membarrier support hits 4.3, I'll take this via my tree for 4.3
also.

cheers


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[RFC PATCH 1/9] powerpc: allocate sys_membarrier system call number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-08-27 20:10 +0200
  Re: [RFC PATCH 1/9] powerpc: allocate sys_membarrier system call  number Michael Ellerman <mpe@ellerman.id.au> - 2015-08-31 09:00 +0200
    Re: [RFC PATCH 1/9] powerpc: allocate sys_membarrier system call  number Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2015-08-31 17:40 +0200
      Re: [RFC PATCH 1/9] powerpc: allocate sys_membarrier system call  number Michael Ellerman <mpe@ellerman.id.au> - 2015-09-01 03:10 +0200

csiph-web