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Date:   Mon, 23 Dec 2019 14:34:41 -0800
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Thomas =?ISO-8859-1?Q?Hellstr=F6m?= (VMware) 
        <thomas_os@shipmail.org>
Cc:     linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        dri-devel@lists.freedesktop.org, Michal Hocko <mhocko@suse.com>,
        pv-drivers@vmware.com, linux-graphics-maintainer@vmware.com,
        Thomas Hellstrom <thellstrom@vmware.com>,
        "Matthew Wilcox (Oracle)" <willy@infradead.org>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Ralph Campbell <rcampbell@nvidia.com>,
        =?ISO-8859-1?Q?J=E9r=F4me?= Glisse <jglisse@redhat.com>,
        Christian =?ISO-8859-1?Q?K=F6nig?= <christian.koenig@amd.com>
Subject: Re: Ack to merge through DRM tree? WAS [PATCH v4 0/2] mm, drm/ttm:
 Fix pte insertion with customized protection
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On Fri, 20 Dec 2019 09:06:08 +0100 Thomas Hellstr=F6m (VMware) <thomas_os@s=
hipmail.org> wrote:

> Andrew,
>=20
> On 12/12/19 9:47 AM, Thomas Hellstr=F6m (VMware) wrote:
> > From: Thomas Hellstrom <thellstrom@vmware.com>
> >
> > The drm/ttm module is using a modified on-stack copy of the
> > struct vm_area_struct to be able to set a page protection with customiz=
ed
> > caching. Fix that by adding a vmf_insert_mixed_prot() function similar
> > to the existing vmf_insert_pfn_prot() for use with drm/ttm.
> >
> > I'd like to merge this through a drm tree.
> >
> > Changes since v1:
> > *) Formatting fixes in patch 1
> > *) Updated commit message of patch 2.
> > Changes since v2:
> > *) Moved vmf_insert_mixed_prot() export to patch 2 (Michal Hocko)
> > *) Documented under which conditions it's safe to use a page protection
> >     different from struct vm_area_struct::vm_page_prot. (Michal Hocko)
> > Changes since v3:
> > *) More documentation regarding under which conditions it's safe to use=
 a
> >     page protection different from struct vm_area_struct::vm_page_prot.=
 This
> >     time also in core vm. (Michal Hocko)
> >
> > Cc: Andrew Morton <akpm@linux-foundation.org>
> > Cc: Michal Hocko <mhocko@suse.com>
> > Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
> > Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
> > Cc: Ralph Campbell <rcampbell@nvidia.com>
> > Cc: "J=E9r=F4me Glisse" <jglisse@redhat.com>
> > Cc: "Christian K=F6nig" <christian.koenig@amd.com>
> >
> Seems all concerns with this series have been addressed. Could I have an=
=20
> ack to merge this through a DRM tree?
>=20

Yes, please do that.

Acked-by: Andrew Morton <akpm@linux-foundation.org>

for both.