linux-kernel - Re: linux-next: manual merge of the akpm tree with the drm-intel tree

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Message-ID: <CAKMK7uFOuFEOjrLGpB+oejs=J9kEvrRb6K9Ng6nBt+WS4gwKtQ@mail.gmail.com>
Date:   Thu, 1 Oct 2020 17:13:26 +0200
From:   Daniel Vetter <daniel.vetter@...ll.ch>
To:     Jani Nikula <jani.nikula@...ux.intel.com>
Cc:     Christoph Hellwig <hch@....de>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Dave Airlie <airlied@...ux.ie>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: manual merge of the akpm tree with the drm-intel tree

On Thu, Oct 1, 2020 at 5:08 PM Jani Nikula <jani.nikula@...ux.intel.com> wrote:
>
> On Thu, 01 Oct 2020, Daniel Vetter <daniel.vetter@...ll.ch> wrote:
> > On Thu, Oct 1, 2020 at 3:53 PM Christoph Hellwig <hch@....de> wrote:
> >>
> >> On Thu, Oct 01, 2020 at 08:39:17PM +1000, Stephen Rothwell wrote:
> >> > Hi all,
> >> >
> >> > Today's linux-next merge of the akpm tree got a conflict in:
> >> >
> >> >   drivers/gpu/drm/i915/gem/i915_gem_pages.c
> >> >
> >> > between commit:
> >> >
> >> >   4caf017ee937 ("drm/i915/gem: Avoid implicit vmap for highmem on x86-32")
> >> >   ba2ebf605d5f ("drm/i915/gem: Prevent using pgprot_writecombine() if PAT is not supported")
> >
> > Uh these patches shouldn't be in linux-next because they're for 5.11,
> > not the 5.10 merge window that will open soon. Joonas?
>
> I don't know anything else, but both are tagged Cc: stable.

Uh right I got confused, they're on -fixes now. Well -next-fixes,
which seems like the wrong one for a cc: stable, I guess this should
go into 5.9 even. Apologies for my confusion.
-Daniel

>
> BR,
> Jani.
>
> >
> >> > from the drm-intel tree and patch:
> >> >
> >> >   "drm/i915: use vmap in i915_gem_object_map"
> >> >
> >> > from the akpm tree.
> >> >
> >> > I fixed it up (I just dropped the changes in the former commits) and
> >>
> >> Sigh.  The solution is a bit more complicated, but I just redid my
> >> patches to not depend on the above ones.  I can revert back to the old
> >> version, though.  Andrew, let me know what works for you.
> >
> > Imo ignore, rebasing onto linux-next without those intel patches was
> > the right thing for the 5.10 merge window.
> > -Daniel
>
> --
> Jani Nikula, Intel Open Source Graphics Center



-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch