linux-kernel - Re: dma-direct: don't check swiotlb=force in dma_direct_map

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Message-ID: <20200107182636.GA2021584@kroah.com>
Date:   Tue, 7 Jan 2020 19:26:36 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>, hch@....de,
        Sasha Levin <sashal@...nel.org>, m.szyprowski@...sung.com,
        linux- stable <stable@...r.kernel.org>,
        iommu@...ts.linux-foundation.org,
        open list <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@...radead.org>,
        lkft-triage@...ts.linaro.org
Subject: Re: dma-direct: don't check swiotlb=force in dma_direct_map_resource

On Tue, Jan 07, 2020 at 06:18:28PM +0000, Robin Murphy wrote:
> On 07/01/2020 5:38 pm, Naresh Kamboju wrote:
> > Following build error on stable-rc 5.4.9-rc1 for arm architecture.
> > 
> > dma/direct.c: In function 'dma_direct_possible':
> > dma/direct.c:329:3: error: too many arguments to function 'dma_capable'
> >     dma_capable(dev, dma_addr, size, true);
> >     ^~~~~~~~~~~
> 
> Not sure that $SUBJECT comes into it at all, but by the look of it I guess
> "dma-direct: exclude dma_direct_map_resource from the min_low_pfn check"
> implicitly depends on 130c1ccbf553 ("dma-direct: unify the dma_capable
> definitions") too.

Ugh, good catch.  I'll drop these patches, they don't look ok for stable
at this point in time.

thanks,

greg k-h