linux-kernel - Re: [PATCH 01/34] powerpc: use mm zones more sensibly

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Message-Id: <037E87F4-38C7-4E5F-A132-B7BB30E3D69D@xenosoft.de>
Date:   Fri, 7 Dec 2018 16:04:16 +0100
From:   Christian Zigotzky <chzigotzky@...osoft.de>
To:     Christoph Hellwig <hch@....de>
Cc:     Michael Ellerman <mpe@...erman.id.au>, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Christoph Hellwig <hch@...radead.org>, linux-mm@...ck.org,
        iommu@...ts.linux-foundation.org,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 01/34] powerpc: use mm zones more sensibly

I will work at the weekend to figure out where the problematic commit is.

— Christian

Sent from my iPhone

> On 7. Dec 2018, at 15:09, Christoph Hellwig <hch@....de> wrote:
> 
>> On Fri, Dec 07, 2018 at 11:18:18PM +1100, Michael Ellerman wrote:
>> Christoph Hellwig <hch@...radead.org> writes:
>> 
>>> Ben / Michael,
>>> 
>>> can we get this one queued up for 4.21 to prepare for the DMA work later
>>> on?
>> 
>> I was hoping the PASEMI / NXP regressions could be solved before
>> merging.
>> 
>> My p5020ds is booting fine with this series, so I'm not sure why it's
>> causing problems on Christian's machine.
>> 
>> The last time I turned on my PASEMI board it tripped some breakers, so I
>> need to investigate that before I can help test that.
>> 
>> I'll see how things look on Monday and either merge the commits you
>> identified or the whole series depending on if there's any more info
>> from Christian.
> 
> Christian just confirmed everything up to at least
> "powerpc/dma: stop overriding dma_get_required_mask" works for his
> setups.