From: Mathieu Desnoyers <mathieu.desnoyers@efficios•com>
To: Michael Ellerman <mpe@ellerman•id.au>
Cc: Andrew Morton <akpm@linux-foundation•org>,
linux-api <linux-api@vger•kernel.org>,
linux-kernel@vger•kernel.org,
Benjamin Herrenschmidt <benh@kernel•crashing.org>,
Paul Mackerras <paulus@samba•org>,
linuxppc-dev@lists•ozlabs.org
Subject: Re: [RFC PATCH 1/9] powerpc: allocate sys_membarrier system call number
Date: Mon, 31 Aug 2015 15:32:54 +0000 (UTC) [thread overview]
Message-ID: <131898944.32688.1441035174419.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <1441004045.5735.8.camel@ellerman.id.au>
----- 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
next prev parent reply other threads:[~2015-08-31 15:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1440698215-8355-1-git-send-email-mathieu.desnoyers@efficios.com>
2015-08-27 17:56 ` [RFC PATCH 1/9] powerpc: allocate sys_membarrier system call number Mathieu Desnoyers
2015-08-31 6:54 ` Michael Ellerman
2015-08-31 15:32 ` Mathieu Desnoyers [this message]
2015-09-01 1:00 ` Michael Ellerman
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