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Date:   Thu, 20 Jun 2019 08:21:26 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Alexey Kardashevskiy <aik@ozlabs.ru>
Cc:     Christoph Hellwig <hch@lst.de>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code
Message-ID: <20190620062126.GA20765@lst.de>
References: <20190523074924.19659-1-hch@lst.de> <20190523074924.19659-4-hch@lst.de> <db502ec4-2e8f-fbc3-9db2-3fe98464a62c@ozlabs.ru> <20190619072837.GA6858@lst.de> <b0ce7d72-5de7-63d3-cb4e-ea78342cb3fa@ozlabs.ru> <20190620060354.GA20279@lst.de> <309781b5-108f-c219-2cda-49179dca6b13@ozlabs.ru>
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On Thu, Jun 20, 2019 at 04:20:08PM +1000, Alexey Kardashevskiy wrote:
> 
> 
> On 20/06/2019 16:03, Christoph Hellwig wrote:
> > Hi Linus,
> > 
> > this goes back to the discussion at last years kernel summit, where
> > we had the discussion on removing code never used by any in-kernel
> > user an no prospects of one.  The IBM folks are unfortunately still
> > dragging their feet on the powerpc side.  Can we revise this discussion?
> > 
> > The use case here is a IBM specific bus for which they only have an
> > out of tree driver that their partner doesn't want to submit for mainline,
> > but keep insisting on keeping the code around (which is also built
> > uncondіtionally for the platform).
> 
> 
> I personally keep insisting on correct commit logs, i.e. not calling
> working code dead and providing actual reasons for the change. Thanks,

If that is the only thing you are complaining about I can clarify it
a little of course.  But it didn't sound like that was the actual
problem.