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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 11:32:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 11:32:30 -0700
commit682b7c1c8ea8885aa681ddf530d6cf2ad4f2dc15 (patch)
tree882003bb4fc56af816246168f8c85d6dde8c6ed9 /lib
parent16b9057804c02e2d351e9c8f606e909b43cbd9e7 (diff)
parentbc1dfff04a5d4064ba0db1fab13f84ab4f333d2b (diff)
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Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "This is the main drm merge window pull request, changes all over the place, mostly normal levels of churn. Highlights: Core drm: More cleanups, fix race on connector/encoder naming, docs updates, object locking rework in prep for atomic modeset i915: mipi DSI support, valleyview power fixes, cursor size fixes, execlist refactoring, vblank improvements, userptr support, OOM handling improvements radeon: GPUVM tuning and large page size support, gart fixes, deep color HDMI support, HDMI audio cleanups nouveau: - displayport rework should fix lots of issues - initial gk20a support - gk110b support - gk208 fixes exynos: probe order fixes, HDMI changes, IPP consolidation msm: debugfs updates, misc fixes ast: ast2400 support, sync with UMS driver tegra: cleanups, hdmi + hw cursor for Tegra 124. panel: fixes existing panels add some new ones. ipuv3: moved from staging to drivers/gpu" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (761 commits) drm/nouveau/disp/dp: fix tmds passthrough on dp connector drm/nouveau/dp: probe dpcd to determine connectedness drm/nv50-: trigger update after all connectors disabled drm/nv50-: prepare for attaching a SOR to multiple heads drm/gf119-/disp: fix debug output on update failure drm/nouveau/disp/dp: make use of postcursor when its available drm/g94-/disp/dp: take max pullup value across all lanes drm/nouveau/bios/dp: parse lane postcursor data drm/nouveau/dp: fix support for dpms drm/nouveau: register a drm_dp_aux channel for each dp connector drm/g94-/disp: add method to power-off dp lanes drm/nouveau/disp/dp: maintain link in response to hpd signal drm/g94-/disp: bash and wait for something after changing lane power regs drm/nouveau/disp/dp: split link config/power into two steps drm/nv50/disp: train PIOR-attached DP from second supervisor drm/nouveau/disp/dp: make use of existing output data for link training drm/gf119/disp: start removing direct vbios parsing from supervisor drm/nv50/disp: start removing direct vbios parsing from supervisor drm/nouveau/disp/dp: maintain receiver caps in response to hpd signal drm/nouveau/disp/dp: create subclass for dp outputs ...
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig14
-rw-r--r--lib/Kconfig.debug1
-rw-r--r--lib/Makefile3
-rw-r--r--lib/interval_tree.c6
-rw-r--r--lib/interval_tree_test.c (renamed from lib/interval_tree_test_main.c)0
5 files changed, 22 insertions, 2 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 4771fb3f4da4..334f7722a999 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -331,6 +331,20 @@ config TEXTSEARCH_FSM
config BTREE
boolean
+config INTERVAL_TREE
+ boolean
+ help
+ Simple, embeddable, interval-tree. Can find the start of an
+ overlapping range in log(n) time and then iterate over all
+ overlapping nodes. The algorithm is implemented as an
+ augmented rbtree.
+
+ See:
+
+ Documentation/rbtree.txt
+
+ for more information.
+
config ASSOCIATIVE_ARRAY
bool
help
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ccca32264748..e34d11d70bbf 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1511,6 +1511,7 @@ config RBTREE_TEST
config INTERVAL_TREE_TEST
tristate "Interval tree test"
depends on m && DEBUG_KERNEL
+ select INTERVAL_TREE
help
A benchmark measuring the performance of the interval tree library
diff --git a/lib/Makefile b/lib/Makefile
index 74a32dc49a93..4a4078987a4c 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -50,6 +50,7 @@ CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
obj-$(CONFIG_BTREE) += btree.o
+obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o
obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o
obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
obj-$(CONFIG_DEBUG_LIST) += list_debug.o
@@ -157,8 +158,6 @@ lib-$(CONFIG_LIBFDT) += $(libfdt_files)
obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o
obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o
-interval_tree_test-objs := interval_tree_test_main.o interval_tree.o
-
obj-$(CONFIG_PERCPU_TEST) += percpu_test.o
obj-$(CONFIG_ASN1) += asn1_decoder.o
diff --git a/lib/interval_tree.c b/lib/interval_tree.c
index e6eb406f2d65..f367f9ad544c 100644
--- a/lib/interval_tree.c
+++ b/lib/interval_tree.c
@@ -1,6 +1,7 @@
#include <linux/init.h>
#include <linux/interval_tree.h>
#include <linux/interval_tree_generic.h>
+#include <linux/module.h>
#define START(node) ((node)->start)
#define LAST(node) ((node)->last)
@@ -8,3 +9,8 @@
INTERVAL_TREE_DEFINE(struct interval_tree_node, rb,
unsigned long, __subtree_last,
START, LAST,, interval_tree)
+
+EXPORT_SYMBOL_GPL(interval_tree_insert);
+EXPORT_SYMBOL_GPL(interval_tree_remove);
+EXPORT_SYMBOL_GPL(interval_tree_iter_first);
+EXPORT_SYMBOL_GPL(interval_tree_iter_next);
diff --git a/lib/interval_tree_test_main.c b/lib/interval_tree_test.c
index 245900b98c8e..245900b98c8e 100644
--- a/lib/interval_tree_test_main.c
+++ b/lib/interval_tree_test.c