mbox series

[v2,0/2] mm, drm/ttm: Fix pte insertion with customized protection

Message ID 20191203104853.4378-1-thomas_os@shipmail.org (mailing list archive)
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Series mm, drm/ttm: Fix pte insertion with customized protection | expand

Message

Thomas Hellström (Intel) Dec. 3, 2019, 10:48 a.m. UTC 
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 customized
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.

Thomas Hellstrom (2):
  mm: Add and export vmf_insert_mixed_prot()
  drm/ttm: Fix vm page protection handling

 drivers/gpu/drm/ttm/ttm_bo_vm.c | 14 +++++++-------
 include/linux/mm.h              |  2 ++
 mm/memory.c                     | 15 +++++++++++----
 3 files changed, 20 insertions(+), 11 deletions(-)

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: "Jérôme Glisse" <jglisse@redhat.com>
Cc: "Christian König" <christian.koenig@amd.com>