Messages in this thread | | | Date | Mon, 31 Aug 2015 15:32:54 +0000 (UTC) | From | Mathieu Desnoyers <> | Subject | Re: [RFC PATCH 1/9] powerpc: allocate sys_membarrier system call number |
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----- On Aug 31, 2015, at 2:54 AM, Michael Ellerman mpe@ellerman.id.au wrote:
> 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.
Great! I'll take care of your comments about self-tests,
Thanks,
Mathieu
-- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
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