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Message-ID: <20191105094936.GZ10326@phenom.ffwll.local>
Date:   Tue, 5 Nov 2019 10:49:36 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     John Hubbard <jhubbard@...dia.com>
Cc:     Ira Weiny <ira.weiny@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Alex Williamson <alex.williamson@...hat.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Björn Töpel <bjorn.topel@...el.com>,
        Christoph Hellwig <hch@...radead.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Chinner <david@...morbit.com>,
        David Airlie <airlied@...ux.ie>,
        "David S . Miller" <davem@...emloft.net>, Jan Kara <jack@...e.cz>,
        Jason Gunthorpe <jgg@...pe.ca>, Jens Axboe <axboe@...nel.dk>,
        Jonathan Corbet <corbet@....net>,
        Jérôme Glisse <jglisse@...hat.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Hocko <mhocko@...e.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Paul Mackerras <paulus@...ba.org>,
        Shuah Khan <shuah@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>, bpf@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, kvm@...r.kernel.org,
        linux-block@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-media@...r.kernel.org, linux-rdma@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, netdev@...r.kernel.org,
        linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 09/19] drm/via: set FOLL_PIN via pin_user_pages_fast()

On Mon, Nov 04, 2019 at 11:20:38AM -0800, John Hubbard wrote:
> On 11/4/19 10:10 AM, Daniel Vetter wrote:
> > On Thu, Oct 31, 2019 at 04:36:28PM -0700, Ira Weiny wrote:
> >> On Wed, Oct 30, 2019 at 03:49:20PM -0700, John Hubbard wrote:
> >>> Convert drm/via to use the new pin_user_pages_fast() call, which sets
> >>> FOLL_PIN. Setting FOLL_PIN is now required for code that requires
> >>> tracking of pinned pages, and therefore for any code that calls
> >>> put_user_page().
> >>>
> >>
> >> Reviewed-by: Ira Weiny <ira.weiny@...el.com>
> > 
> > No one's touching the via driver anymore, so feel free to merge this
> > through whatever tree suits best (aka I'll drop this on the floor and
> > forget about it now).
> > 
> > Acked-by: Daniel Vetter <daniel.vetter@...ll.ch>
> > 
> 
> OK, great. Yes, in fact, I'm hoping Andrew can just push the whole series
> in through the mm tree, because that would allow it to be done in one 
> shot, in 5.5

btw is there more? We should have a bunch more userptr stuff in various
drivers, so was really surprised that drm/via is the only thing in your
series.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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