linux-kernel - Re: [PATCH] nvme: change nvme_passthru

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Date:   Wed, 6 Nov 2019 02:09:40 +0100
From:   Christoph Hellwig <hch@....de>
To:     Sasha Levin <sashal@...nel.org>
Cc:     Christoph Hellwig <hch@....de>,
        Marta Rybczynska <mrybczyn@...ray.eu>,
        Charles Machalow <csm10495@...il.com>,
        linux-nvme <linux-nvme@...ts.infradead.org>,
        kbusch <kbusch@...nel.org>, axboe <axboe@...com>,
        Sagi Grimberg <sagi@...mberg.me>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org
Subject: Re: [PATCH] nvme: change nvme_passthru_cmd64 to explicitly mark
 rsvd

On Tue, Nov 05, 2019 at 07:08:36PM -0500, Sasha Levin wrote:
> On Tue, Nov 05, 2019 at 04:31:44PM +0100, Christoph Hellwig wrote:
>> On Tue, Nov 05, 2019 at 08:39:12AM +0100, Marta Rybczynska wrote:
>>> Looks good to me. However, please note that the new ioctl made it already to 5.3.8.
>>
>> It wasn't in 5.3, but it seems like you are right and it somehow got
>> picked for the stable releases.
>>
>> Sasha, can you please revert 76d609da9ed1cc0dc780e2b539d7b827ce28f182
>> in 5.3-stable ASAP and make sure crap like backporting new ABIs that
>> haven't seen a release yet is never ever going to happen again?
>
> Sure, I'll revert it. I guess I wasn't expecting to see something like
> this in a -rc release. How did it make it into one if it's not a fix?

76d609da9ed1cc0dc780e2b539d7b827ce28f182 is a backport of
65e68edce0db433aa0c2b26d7dc14fbbbeb89fbb, which went into 5.4-rc2 and
was not marked for stable.  It might kinda bend the normal merge
window rules a little, but I don't see how it could be considered
something to backport.