From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Stephen Rothwell <sfr@canb.auug.org.au>,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Linux-Next Mailing List <linux-next@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: linux-next: manual merge of the rseq tree with Linus' tree
Date: Thu, 16 Nov 2017 15:21:14 +0000 (UTC) [thread overview]
Message-ID: <2081439912.16582.1510845674173.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <1489656964.15813.1510758032885.JavaMail.zimbra@efficios.com>
----- On Nov 15, 2017, at 10:00 AM, Mathieu Desnoyers mathieu.desnoyers@efficios.com wrote:
> ----- On Nov 15, 2017, at 9:48 AM, Stephen Rothwell sfr@canb.auug.org.au wrote:
>
>> Hi Ingo,
>>
>> On Wed, 15 Nov 2017 09:07:12 +0100 Ingo Molnar <mingo@kernel.org> wrote:
>>>
>>> There's absolutely no way such invasive x86 changes should be done outside the
>>> x86
>>> tree and be merged into linux-next.
>>>
>>> linux-next should be for the regular maintenance flow, for changes pushed by
>>> maintainers and part of the regular maintenance process - not for
>>> work-in-progress
>>> features that may or may not be merged upstream in that form ...
>>
>> Sure. I was given the impression that Linus was going to be asked to
>> merge this tree during this merge window, so I assumed that it had been
>> seen by the appropriate people. Most of these patches include you,
>> Linus and Andrew (among others) on their cc's and they seem to have
>> gone through several revisions.
>>
>> I guess Mathieu has jumped the gun.
>
> The membarrier core serializing command has been developed in the open
> since Aug. 27, 2017 [1]. That's one full development cycle. On Sept 28,
> 2017, I started CCing Ingo when I noticed I would have to add documentation
> to each architecture return-to-usermode paths [2]. I have never heard feedback
> from him until now.
>
> I am open to remove the x86-specific membarrier core serializing patch from
> my tree and hand it to the x86 maintainers after the generic code makes it
> into Linus' tree, if this is seen as the appropriate way forward.
Hi Stephen,
fyi, I removed the core serializing membarrier commits from the
linux-rseq rseq/for-next branch. That work will indeed be postponed
to the 4.16 queue.
Thanks,
Mathieu
>
> Thanks,
>
> Mathieu
>
> [1]
> http://lkml.kernel.org/r/20170827195404.22171-2-mathieu.desnoyers@efficios.com
> [2]
> http://lkml.kernel.org/r/911707916.20840.1506605496314.JavaMail.zimbra@efficios.com
>
>
>>
>> I'll drop it again tomorrow.
>>
>> --
>> Cheers,
>> Stephen Rothwell
>
> --
> Mathieu Desnoyers
> EfficiOS Inc.
> http://www.efficios.com
--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
next prev parent reply other threads:[~2017-11-16 15:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-15 4:35 linux-next: manual merge of the rseq tree with Linus' tree Stephen Rothwell
2017-11-15 8:07 ` Ingo Molnar
2017-11-15 14:48 ` Stephen Rothwell
2017-11-15 15:00 ` Mathieu Desnoyers
2017-11-15 15:22 ` Thomas Gleixner
2017-11-15 15:41 ` Mathieu Desnoyers
2017-11-15 16:04 ` Thomas Gleixner
2017-11-15 16:12 ` Mathieu Desnoyers
2017-11-15 16:30 ` Thomas Gleixner
2017-11-15 16:39 ` Mathieu Desnoyers
2017-11-16 15:21 ` Mathieu Desnoyers [this message]
2017-11-15 14:49 ` Mathieu Desnoyers
2017-11-15 4:35 Stephen Rothwell
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