[patch 0/7] drm, highmem: Cleanup io/kmap_atomic*() usage
Thomas Gleixner
tglx at linutronix.de
Wed Mar 3 13:20:23 UTC 2021
None of the DRM usage sites of temporary mappings requires the side
effects of io/kmap_atomic(), i.e. preemption and pagefault disable.
Replace them with the io/kmap_local() variants, simplify the
copy_to/from_user() error handling and remove the atomic variants.
Thanks,
tglx
---
Documentation/driver-api/io-mapping.rst | 22 +++-------
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 7 +--
drivers/gpu/drm/i915/i915_gem.c | 40 ++++++-------------
drivers/gpu/drm/i915/selftests/i915_gem.c | 4 -
drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 8 +--
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/fbmem.h | 8 +--
drivers/gpu/drm/qxl/qxl_image.c | 18 ++++----
drivers/gpu/drm/qxl/qxl_ioctl.c | 27 ++++++------
drivers/gpu/drm/qxl/qxl_object.c | 12 ++---
drivers/gpu/drm/qxl/qxl_object.h | 4 -
drivers/gpu/drm/qxl/qxl_release.c | 4 -
drivers/gpu/drm/ttm/ttm_bo_util.c | 20 +++++----
drivers/gpu/drm/vmwgfx/vmwgfx_blit.c | 30 +++++---------
include/linux/highmem-internal.h | 14 ------
include/linux/io-mapping.h | 42 --------------------
15 files changed, 93 insertions(+), 167 deletions(-)
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