AuxXxilium/linux_dsm_epyc7002
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d323c9b882
linux_dsm_epyc7002/drivers/gpu/drm/i915/gem
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Chris Wilson d323c9b882 drm/i915/userptr: Handle unlocked gup retries 
Enable gup to retry and fault the pages outside of the mmap_sem lock in
our worker. As we are inside our worker, outside of any critical path,
we can allow the mmap_sem lock to be dropped in order to service a page
fault; this in turn allows the mm to populate the page using a slow
fault handler.

References: 5b56d49fc3 ("mm: add locked parameter to get_user_pages_remote()")
Testcase: igt/gem_userptr/userfault
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191111133205.11590-2-chris@chris-wilson.co.uk
2019-11-11 15:46:45 +00:00
..
selftests drm/i915/selftests: Fill all the drm_vma_manager holes 2019-11-11 12:41:37 +00:00
i915_gem_busy.c dma-buf: Restore seqlock around dma_resv updates 2019-08-16 12:40:58 +01:00
i915_gem_clflush.c drm/i915: Generalise the clflush dma-worker 2019-08-22 08:27:44 +01:00
i915_gem_clflush.h drm/i915: Move more GEM objects under gem/ 2019-05-28 12:45:29 +01:00
i915_gem_client_blt.c drm/i915: Drop struct_mutex from around i915_retire_requests() 2019-10-04 15:39:17 +01:00
i915_gem_client_blt.h drm/i915: add in-kernel blitter client 2019-05-30 12:01:44 +01:00
i915_gem_context_types.h drm/i915/gem: Embed context/timeline name inside the GEM context 2019-11-11 11:46:40 +00:00
i915_gem_context.c drm/i915/gem: Update context name on closing 2019-11-11 11:46:40 +00:00
i915_gem_context.h drm/i915/gem: Make context persistence optional 2019-10-29 21:02:52 +00:00
i915_gem_dmabuf.c drm/i915/gem: Distinguish each object type 2019-10-22 16:23:32 +01:00
i915_gem_domain.c drm/i915: FB backing gem obj should reside in LMEM 2019-11-07 10:55:40 +00:00
i915_gem_execbuffer.c drm/i915/gt: Split intel_ring_submission 2019-10-24 12:14:21 +01:00
i915_gem_fence.c Merge drm/drm-next into drm-intel-next-queued 2019-08-22 00:10:36 -07:00
i915_gem_internal.c drm/i915/gem: Distinguish each object type 2019-10-22 16:23:32 +01:00
i915_gem_ioctls.h
i915_gem_lmem.c drm/i915/lmem: add the fake lmem region 2019-10-31 20:41:47 +00:00
i915_gem_lmem.h drm/i915/lmem: support kernel mapping 2019-10-25 22:55:43 +01:00
i915_gem_mman.c drm/i915/gem: Early rejection of no-aperture map_ggtt 2019-11-06 12:09:44 +00:00
i915_gem_object_blt.c drm/i915/blt: fixup block_size rounding 2019-10-29 06:57:20 +00:00
i915_gem_object_blt.h drm/i915/blt: support copying objects 2019-08-10 19:35:36 +01:00
i915_gem_object_types.h drm/i915: Switch obj->mm.lock lockdep annotations on its head 2019-11-07 09:58:11 +01:00
i915_gem_object.c drm/i915: Switch obj->mm.lock lockdep annotations on its head 2019-11-07 09:58:11 +01:00
i915_gem_object.h drm/i915: use might_lock_nested in get_pages annotation 2019-11-07 09:58:54 +01:00
i915_gem_pages.c drm/i915: Switch obj->mm.lock lockdep annotations on its head 2019-11-07 09:58:11 +01:00
i915_gem_phys.c drm/i915: Switch obj->mm.lock lockdep annotations on its head 2019-11-07 09:58:11 +01:00
i915_gem_pm.c drm/i915: Defer rc6 shutdown to suspend_late 2019-11-01 14:47:36 +00:00
i915_gem_pm.h drm/i915: Teach record_defaults to operate on the intel_gt 2019-10-22 20:43:07 +01:00
i915_gem_region.c drm/i915: treat shmem as a region 2019-10-18 12:41:03 +01:00
i915_gem_region.h drm/i915/region: support contiguous allocations 2019-10-08 20:50:01 +01:00
i915_gem_shmem.c drm/i915/gem: Distinguish each object type 2019-10-22 16:23:32 +01:00
i915_gem_shrinker.c drm/i915: Switch obj->mm.lock lockdep annotations on its head 2019-11-07 09:58:11 +01:00
i915_gem_shrinker.h drm/i915: extract i915_gem_shrinker.h from i915_drv.h 2019-08-09 12:03:32 +03:00
i915_gem_stolen.c drm/i915/gem: Distinguish each object type 2019-10-22 16:23:32 +01:00
i915_gem_stolen.h drm/i915: treat stolen as a region 2019-10-18 12:41:05 +01:00
i915_gem_throttle.c drm/i915: Keep drm_i915_file_private around under RCU 2019-08-23 22:13:17 +01:00
i915_gem_tiling.c drm/i915: Move swizzle_bit under i915_ggtt 2019-10-16 19:42:19 +01:00
i915_gem_userptr.c drm/i915/userptr: Handle unlocked gup retries 2019-11-11 15:46:45 +00:00
i915_gem_wait.c dma-buf: rename reservation_object to dma_resv 2019-08-13 09:09:30 +02:00
i915_gemfs.c drm/i915: Stop reconfiguring our shmemfs mountpoint 2019-08-09 20:18:30 +01:00
i915_gemfs.h drm/i915: Move more GEM objects under gem/ 2019-05-28 12:45:29 +01:00
Makefile drm/i915: use upstream version of header tests 2019-07-30 12:11:57 +03:00