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Davidlohr Bueso f808c13fd3 lib/interval_tree: fast overlap detection 
Allow interval trees to quickly check for overlaps to avoid unnecesary
tree lookups in interval_tree_iter_first().

As of this patch, all interval tree flavors will require using a
'rb_root_cached' such that we can have the leftmost node easily
available.  While most users will make use of this feature, those with
special functions (in addition to the generic insert, delete, search
calls) will avoid using the cached option as they can do funky things
with insertions -- for example, vma_interval_tree_insert_after().

[jglisse@redhat.com: fix deadlock from typo vm_lock_anon_vma()]
  Link: http://lkml.kernel.org/r/20170808225719.20723-1-jglisse@redhat.com
Link: http://lkml.kernel.org/r/20170719014603.19029-12-dave@stgolabs.net
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Doug Ledford <dledford@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2017-09-08 18:26:49 -07:00
..
bridge Merge airlied/drm-next into drm-misc-next 2017-07-26 13:43:33 +02:00
i2c drm/i2c: tda998x: Register ASoC hdmi-codec and add audio DT binding 2016-09-07 13:10:10 +01:00
tinydrm drm/tinydrm: Generalize tinydrm_xrgb8888_to_gray8() 2017-08-09 17:55:50 +02:00
ttm drm/ttm: make ttm_mem_type_manager_func debug more useful 2017-08-17 15:45:59 -04:00
ati_pcigart.h drm: Move legacy buffer structures to <drm/drm_legacy.h> 2014-09-12 15:28:12 +02:00
drmP.h drm: Document device unplug infrastructure 2017-08-11 10:48:03 +02:00
drm_agpsupport.h drm: Give drm_agp_clear drm_legacy_ prefix 2016-04-27 08:41:34 +02:00
drm_atomic.h drm: Nuke drm_atomic_legacy_backoff 2017-08-08 14:49:29 +02:00
drm_atomic_helper.h drm: Nuke drm_atomic_helper_connector_dpms 2017-08-08 14:48:48 +02:00
drm_auth.h drm: Move drm_lock_data out of drmP.h 2017-03-09 16:18:02 +01:00
drm_blend.h drm: Add DRM_MODE_ROTATE_ and DRM_MODE_REFLECT_ to UAPI 2017-05-22 09:49:48 +02:00
drm_bridge.h drm/bridge: Add a devm_ allocator for panel bridge. 2017-07-26 12:19:47 -07:00
drm_cache.h drm: Move drm_clflush prototypes to drm_cache header file 2017-01-10 11:17:01 +01:00
drm_color_mgmt.h drm: drm_color_mgmt.h needs struct drm_crtc declaration 2017-05-02 10:30:23 +02:00
drm_connector.h drm: Handle properties in the core for atomic drivers 2017-08-08 14:45:09 +02:00
drm_crtc.h drm: Handle properties in the core for atomic drivers 2017-08-08 14:45:09 +02:00
drm_crtc_helper.h drm/atomic: Acquire connection_mutex lock in drm_helper_probe_single_connector_modes, v4. 2017-04-06 21:29:23 +02:00
drm_debugfs.h drm/debugfs: Add kerneldoc 2017-03-24 09:36:06 +01:00
drm_debugfs_crc.h drm: Add API for capturing frame CRCs 2016-10-17 16:44:34 +02:00
drm_device.h drm: Extract drm_device.h 2017-08-11 10:47:17 +02:00
drm_displayid.h drm/edid: add displayid detailed 1 timings to the modelist. (v1.1) 2016-05-23 11:35:31 +10:00
drm_dp_dual_mode_helper.h drm: Fix LSPCON kernel-doc 2016-10-19 18:20:40 +03:00
drm_dp_helper.h Linux 4.12-rc5 2017-06-16 13:58:27 +10:00
drm_dp_mst_helper.h drm/atomic: Make private objs proper objects 2017-07-13 19:28:43 +03:00
drm_drv.h drm: Document device unplug infrastructure 2017-08-11 10:48:03 +02:00
drm_edid.h drm/edid: parse ycbcr 420 deep color information 2017-07-14 21:23:54 +03:00
drm_encoder.h drm/doc: Fix typos for early_unregister doc 2017-01-26 10:49:09 +01:00
drm_encoder_slave.h drm: Don't include <drm/drm_encoder.h> in <drm/drm_crtc.h> 2016-12-18 16:29:29 +05:30
drm_fb_cma_helper.h drm: Convert CMA fbdev console suspend helpers to use bool 2017-06-20 16:23:40 +02:00
drm_fb_helper.h drm: remove unused and redundant callbacks 2017-08-07 11:20:36 +02:00
drm_file.h drm: introduce sync objects (v4) 2017-06-14 12:10:22 +10:00
drm_fixed.h drm: Add drm_fixp_from_fraction and drm_fixp2int_ceil 2016-02-05 15:23:48 +10:00
drm_flip_work.h drm/kms-helpers: Use recommened kerneldoc for struct member refs 2017-01-25 16:18:57 +01:00
drm_fourcc.h drm: Add mode_config .get_format_info() hook 2017-03-22 19:45:00 +02:00
drm_framebuffer.h drm: Add GEM backed framebuffer library 2017-08-16 21:32:23 +02:00
drm_gem.h drm/gem: Add drm_gem_dumb_map_offset() 2017-07-29 13:49:55 +02:00
drm_gem_cma_helper.h drm/gem-cma-helper: Remove drm_gem_cma_dumb_map_offset() 2017-08-16 20:21:24 +02:00
drm_gem_framebuffer_helper.h drm: Add GEM backed framebuffer library 2017-08-16 21:32:23 +02:00
drm_global.h drm: drop extern from function decls 2017-03-24 09:36:06 +01:00
drm_hashtab.h drm: drop extern from function decls 2017-03-24 09:36:06 +01:00
drm_ioctl.h new helper: drm_ioctl_kernel() 2017-05-27 15:39:28 -04:00
drm_irq.h drm: Extract drm_vblank.[hc] 2017-06-01 08:02:14 +02:00
drm_legacy.h drm: document drm_auth.c 2016-06-21 22:10:55 +02:00
drm_mipi_dsi.h drm/dsi: Implement DCS set/get display brightness 2016-08-24 13:34:00 +02:00
drm_mm.h lib/interval_tree: fast overlap detection 2017-09-08 18:26:49 -07:00
drm_mode_config.h drm: Create a format/modifier blob 2017-08-01 17:50:06 +01:00
drm_mode_object.h drm: Introduce drm_mode_object_{get,put}() 2017-02-28 16:14:55 +01:00
drm_modes.h drm: add helper functions for YCBCR420 handling 2017-07-14 21:23:54 +03:00
drm_modeset_helper.h drm: Pass 'dev' to drm_helper_mode_fill_fb_struct() 2016-12-15 14:03:30 +02:00
drm_modeset_helper_vtables.h drm: remove unused and redundant callbacks 2017-08-07 11:20:36 +02:00
drm_modeset_lock.h drm: Remove drm_modeset_legacy_acquire_ctx and crtc->acquire_ctx 2017-04-05 09:26:45 +02:00
drm_of.h drm: of: introduce drm_of_find_panel_or_bridge 2017-04-06 17:00:27 -04:00
drm_os_linux.h drm: remove writeq/readq function definitions 2017-06-02 10:41:20 -04:00
drm_panel.h drm: make drm_panel.h self-contained 2017-05-16 17:17:02 +02:00
drm_pci.h drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
drm_pciids.h drm/radeon: add new OLAND pci id 2015-08-12 12:24:05 -04:00
drm_plane.h drm: Handle properties in the core for atomic drivers 2017-08-08 14:45:09 +02:00
drm_plane_helper.h drm: Add acquire ctx parameter to ->plane_disable 2017-03-29 09:14:58 +02:00
drm_prime.h drm: Extract drm_vblank.[hc] 2017-06-01 08:02:14 +02:00
drm_print.h drm: drm_printer: add __printf validation 2017-02-26 21:43:08 +01:00
drm_property.h drm: rename, adjust and export drm_atomic_replace_property_blob 2017-07-14 15:53:06 +02:00
drm_rect.h drm/doc: move printf helpers out of drmP.h 2017-05-31 09:59:41 +02:00
drm_scdc_helper.h drm: Fix warning when building docs for scdc_helper 2017-07-31 14:24:14 +02:00
drm_simple_kms_helper.h drm: Plumb modifiers through plane init 2017-08-01 17:50:06 +01:00
drm_syncobj.h drm/syncobj: Add a callback mechanism for replace_fence (v3) 2017-08-29 06:26:42 +10:00
drm_sysfs.h drm: Consolidate and document sysfs support 2017-04-04 20:47:54 +02:00
drm_vblank.h drm/vblank: Unexport drm_vblank_cleanup 2017-06-28 12:51:13 +02:00
drm_vma_manager.h drm: Extract drm_prime.h 2017-03-09 16:18:02 +01:00
gma_drm.h drm/gma500: Remove unused ioctls 2014-03-17 20:11:57 +01:00
i915_component.h drm/i915/dp: DP audio API changes for MST 2016-09-22 09:01:55 -07:00
i915_drm.h drm: avoid "possible bad bitmask?" warning 2016-08-09 22:18:26 +02:00
i915_pciids.h drm/i915/cfl: Add Coffee Lake PCI IDs for U Sku. 2017-06-09 11:36:29 -07:00
intel-gtt.h drm/i915: Use fixed-sized types for stolen 2017-01-06 16:02:09 +00:00
intel_lpe_audio.h ALSA: x86: Register multiple PCM devices for the LPE audio card 2017-05-03 16:24:00 +03:00