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Date: Tue, 28 Feb 2017 13:11:43 -0800
From: Matthew Wilcox <willy@...radead.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org
Subject: Please pull IDR rewrite
Hi Linus,
The most significant part of the following is the patch to rewrite the
IDR & IDA to be clients of the radix tree. But there's much more,
including an enhancement of the IDA to be significantly more space
efficient, an IDR & IDA test suite, some improvements to the IDR API
(and driver changes to take advantage of those improvements), several
improvements to the radix tree test suite and RCU annotations.
The IDR & IDA rewrite had a good spin in linux-next and Andrew's
tree for most of the last cycle. Coupled with the IDR test suite,
I feel pretty confident that any remaining bugs are quite hard to hit.
0-day did a great job of watching my git tree and pointing out problems;
as it hit them, I added new test-cases to be sure not to be caught the
same way twice.
The following changes since commit 1b1bc42c1692e9b62756323c675a44cb1a1f9dbd:
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (2017-01-27 12:54:16 -0800)
are available in the git repository at:
git://git.infradead.org/users/willy/linux-dax.git idr-4.11
for you to fetch changes up to c6ce3e2fe3dacda5e8afb0036c814ae9c3fee9b9:
radix tree test suite: Add config option for map shift (2017-02-13 21:44:10 -0500)
----------------------------------------------------------------
Matthew Wilcox (30):
radix tree: Add some implicit includes
radix tree: constify some pointers
radix tree test suite: Remove duplicate bitops code
tools: Provide a definition of WARN_ON
radix tree test suite: Depend on tools/include/asm files
radix tree test suite: Remove mempool
radix tree test suite: Remove types.h
radix tree test suite: Remove export.h
radix tree test suite: Reduce kernel.h
radix tree test suite: Use vpath to find lib files
radix tree test suite: Remove obsolete CONFIG
radix-tree: Add radix_tree_iter_tag_clear()
radix-tree: Add radix_tree_iter_delete
Reimplement IDR and IDA using the radix tree
ida: Move ida_bitmap to a percpu variable
ida: Use exceptional entries for small IDAs
radix tree test suite: Build separate binaries for some tests
idr: Return the deleted entry from idr_remove
radix tree test suite: Introduce kmalloc_verbose
radix-tree: Chain preallocated nodes through ->parent
radix-tree: Store a pointer to the root in each node
radix_tree_iter_resume: Fix out of bounds error
radix tree test suite: Enable address sanitizer
radix tree test suite: Fix leaky tests
radix tree test suite: Fix leaks in regression2.c
radix tree test suite: Fix split/join memory leaks
radix tree test suite: Run iteration tests for longer
radix-tree: Add rcu_dereference and rcu_assign_pointer calls
radix-tree: Fix __rcu annotations
idr: Add missing __rcu annotations
Rehas Sachdeva (2):
radix tree test suite: Dial down verbosity with -v
radix tree test suite: Add config option for map shift
drivers/atm/nicstar.c | 5 +-
drivers/block/drbd/drbd_main.c | 6 +-
drivers/firewire/core-cdev.c | 3 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c | 4 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 10 +-
drivers/net/wireless/marvell/mwifiex/txrx.c | 4 +-
drivers/target/target_core_user.c | 4 +-
include/linux/idr.h | 148 ++-
include/linux/radix-tree.h | 179 +--
init/main.c | 3 +-
lib/Makefile | 3 +
lib/idr.c | 1242 +++++---------------
lib/radix-tree.c | 761 ++++++++----
mm/workingset.c | 6 +-
net/mac80211/status.c | 4 +-
tools/include/asm-generic/bitops/atomic.h | 3 +
tools/include/asm/bug.h | 8 +
tools/include/linux/bitmap.h | 1 +
tools/include/linux/bitops.h | 1 -
tools/include/linux/compiler.h | 4 +
tools/include/linux/spinlock.h | 5 +
tools/testing/radix-tree/.gitignore | 4 +
tools/testing/radix-tree/Makefile | 46 +-
tools/testing/radix-tree/benchmark.c | 6 +-
tools/testing/radix-tree/generated/autoconf.h | 2 -
tools/testing/radix-tree/idr-test.c | 444 +++++++
tools/testing/radix-tree/iteration_check.c | 2 +-
tools/testing/radix-tree/linux.c | 39 +-
tools/testing/radix-tree/linux/bitops.h | 160 ---
tools/testing/radix-tree/linux/bitops/__ffs.h | 43 -
tools/testing/radix-tree/linux/bitops/ffs.h | 41 -
tools/testing/radix-tree/linux/bitops/ffz.h | 12 -
tools/testing/radix-tree/linux/bitops/find.h | 13 -
tools/testing/radix-tree/linux/bitops/fls.h | 41 -
tools/testing/radix-tree/linux/bitops/fls64.h | 14 -
tools/testing/radix-tree/linux/bitops/hweight.h | 11 -
tools/testing/radix-tree/linux/bitops/le.h | 53 -
tools/testing/radix-tree/linux/bitops/non-atomic.h | 110 --
tools/testing/radix-tree/linux/export.h | 2 -
tools/testing/radix-tree/linux/gfp.h | 10 +-
tools/testing/radix-tree/linux/idr.h | 1 +
tools/testing/radix-tree/linux/init.h | 2 +-
tools/testing/radix-tree/linux/kernel.h | 55 +-
tools/testing/radix-tree/linux/mempool.h | 16 -
tools/testing/radix-tree/linux/percpu.h | 5 +-
tools/testing/radix-tree/linux/preempt.h | 10 +
tools/testing/radix-tree/linux/radix-tree.h | 25 +
tools/testing/radix-tree/linux/types.h | 23 -
tools/testing/radix-tree/main.c | 53 +-
tools/testing/radix-tree/multiorder.c | 39 +-
tools/testing/radix-tree/regression1.c | 4 +-
tools/testing/radix-tree/regression2.c | 10 +-
tools/testing/radix-tree/regression3.c | 28 +-
tools/testing/radix-tree/tag_check.c | 22 +-
tools/testing/radix-tree/test.c | 28 +-
tools/testing/radix-tree/test.h | 2 +
56 files changed, 1703 insertions(+), 2077 deletions(-)
create mode 100644 tools/include/linux/spinlock.h
create mode 100644 tools/testing/radix-tree/idr-test.c
delete mode 100644 tools/testing/radix-tree/linux/bitops.h
delete mode 100644 tools/testing/radix-tree/linux/bitops/__ffs.h
delete mode 100644 tools/testing/radix-tree/linux/bitops/ffs.h
delete mode 100644 tools/testing/radix-tree/linux/bitops/ffz.h
delete mode 100644 tools/testing/radix-tree/linux/bitops/find.h
delete mode 100644 tools/testing/radix-tree/linux/bitops/fls.h
delete mode 100644 tools/testing/radix-tree/linux/bitops/fls64.h
delete mode 100644 tools/testing/radix-tree/linux/bitops/hweight.h
delete mode 100644 tools/testing/radix-tree/linux/bitops/le.h
delete mode 100644 tools/testing/radix-tree/linux/bitops/non-atomic.h
delete mode 100644 tools/testing/radix-tree/linux/export.h
create mode 100644 tools/testing/radix-tree/linux/idr.h
delete mode 100644 tools/testing/radix-tree/linux/mempool.h
delete mode 100644 tools/testing/radix-tree/linux/types.h
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