linux-kernel - Re: [PATCH] drm/legacy: Fix type for drm_local

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Date:   Thu, 9 Apr 2020 09:07:34 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Nathan Chancellor <natechancellor@...il.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH] drm/legacy: Fix type for drm_local_map.offset

On Fri, Apr 03, 2020 at 07:16:28PM +0200, Daniel Vetter wrote:
> On Fri, Apr 3, 2020 at 7:14 PM Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
> >
> > On Fri, Apr 3, 2020 at 1:29 AM Daniel Vetter <daniel@...ll.ch> wrote:
> > >
> > > > Tested-by: Nathan Chancellor <natechancellor@...il.com> # build
> > >
> > > This works too, missed it when replying to Linus
> > >
> > > Reviewed-by: Daniel Vetter <daniel.vetter@...ll.ch>
> > >
> > > Linus I guess this one is better, but like I explained it really
> > > doesn't matter what we do with drm legacy code, it's a horror show
> > > that should be disabled on all modern distros anyway. We just keep it
> > > because of "never break old uapi".
> >
> > Ok, That patch from Chris looks fine to me too.
> >
> > dma_addr_t and resource_size_t aren't the same, but at least
> > dma_addr_t should always be the bigger one.
> >
> > And it does look like nothing else ever takes the address of this
> > field, so the ones that might want just the resource_size_t part will
> > at least have enough bits.
> >
> > So I think Chris' patch is the way to go. I'm assuming I'll get it
> > through the normal drm tree channels, this doesn't sound _so_ urgent
> > that I'd need to expedite that patch into my tree and apply it
> > directly.
> 
> Ok, sounds good.
> 
> Chris can you pls push this to drm-misc-next-fixes? That should be
> enough for the pull request train next week.

Ok I applied this now, seems to have fallen through a few cracks. Might
only make it after easter :-/
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch