linux-kernel - Re: [PATCH v5 00/38] DRM: fix struct sg_table nents vs. orig

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Date:   Tue, 26 May 2020 13:31:47 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     Christoph Hellwig <hch@....de>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        "list@....net:IOMMU DRIVERS <iommu@...ts.linux-foundation.org>, Joerg
        Roedel <joro@...tes.org>," <iommu@...ts.linux-foundation.org>,
        "moderated list:DMA BUFFER SHARING FRAMEWORK" 
        <linaro-mm-sig@...ts.linaro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Robin Murphy <robin.murphy@....com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        David Airlie <airlied@...ux.ie>
Subject: Re: [PATCH v5 00/38] DRM: fix struct sg_table nents vs. orig_nents misuse

On Tue, May 26, 2020 at 9:01 AM Marek Szyprowski
<m.szyprowski@...sung.com> wrote:
>
> Hi
>
> On 13.05.2020 15:47, Christoph Hellwig wrote:
> > I've pushed out a branch with the first three patches here:
> >
> >     git://git.infradead.org/users/hch/dma-mapping.git dma-sg_table-helper
> >
> > Gitweb:
> >
> >     http://git.infradead.org/users/hch/dma-mapping.git/shortlog/refs/heads/dma-sg_table-helper
> >
> > and merged it into the dma-mapping for-next tree.  Unless someone shouts
> > the branch should be considered immutable in 24 hours.
>
> David & Daniel: could you merge all the DRM related changes on top of
> the provided branch? Merging those changes separately would take a lots
> of time because of the dependencies on the sgtable helpers and changes
> in the DRM core.

We generally freeze drm for big rework past -rc6 (small drivers tend
to be a bit later). I think simpler if we just land this in the merge
window and then smash the drm patches on top for 5.9 merge window.

Or all in in the same topic branch, but feels a bit late for that and
making sure nothing breaks.
-Daniel

>
> Best regards
> --
> Marek Szyprowski, PhD
> Samsung R&D Institute Poland
>


-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch