Paolo Bonzini [Wed, 17 Aug 2011 09:31:21 +0000 (05:31 -0400)] 
test api cleanup: remove unused primitives
[ Mathieu: the rationale for this is that we can always add back that
code if every needed. Removing leftover GPLv2 test code is an
incentive to create the appropriate library-wide LGPL/MIT-style
abstractions.]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 17 Aug 2011 09:28:33 +0000 (05:28 -0400)] 
Merge branch 'master' into lfqueue-dev
Paolo Bonzini [Tue, 9 Aug 2011 20:49:27 +0000 (16:49 -0400)]
put thread offline while waiting for the init flag
Otherwise, the call_rcu thread might end up in a synchronize_rcu that
never ends.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 20:44:20 +0000 (16:44 -0400)]
urcu: move private definitions to .c file
The reader does not and should not know about RCU_QS_ACTIVE_ATTEMPTS
and KICK_READER_LOOPS. Move the definition to urcu.c.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 20:43:21 +0000 (16:43 -0400)]
urcu-bp: move private definitions to .c file
The reader does not and should not know about RCU_QS_ACTIVE_ATTEMPTS.
Move the definition to urcu-bp.c.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 20:42:53 +0000 (16:42 -0400)]
urcu-qsbr: move private definitions to .c file
The reader does not and should not know about RCU_QS_ACTIVE_ATTEMPTS.
Move the definition to urcu-qsbr.c. Also remove KICK_READER_LOOPS.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 20:40:29 +0000 (16:40 -0400)]
rcutorture: fix rcutorture-qsbr
rcutorture-qsbr is not marking quiescent states, so it will always
have just one update in the whole test. Fix it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 12:37:14 +0000 (08:37 -0400)]
wfqueue: fix type-incorrect assignment
The "old_tail = q->tail, q->tail = node" assignment in wfqueue
is not type safe; q->tail is a pointer to pointer to node and the
correct value to assign is &node->next. While the arithmetic is
the same, it is better to be tidy.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 16 Aug 2011 11:11:16 +0000 (07:11 -0400)]
Fix tests Makefile EXTRA_DIST to use api.h
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Duncan Sands [Tue, 16 Aug 2011 11:10:01 +0000 (07:10 -0400)] 
Fix choice of default flavour in urcu/map/urcu.h
Hi, I noticed in the 0.64 release (and git too) that if a flavour is not
specified explicitly then RCU_MB is chosen in urcu/map/urcu.h, while the
docs say and the Makefile expects RCU_MEMBARRIER. Note that the header
file urcu/static/urcu.h has similar logic but uses RCU_MEMBARRIER for
the default.
Before this patch:
$ nm *.a | grep rcu_init
00000000000003c0 T rcu_init_mb
00000000000003c0 T rcu_init_mb
0000000000000000 T rcu_init_sig
After this patch:
$ nm *.a | grep rcu_init
00000000000003c0 T rcu_init_memb
00000000000003c0 T rcu_init_mb
0000000000000000 T rcu_init_sig
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 16 Aug 2011 10:52:54 +0000 (06:52 -0400)]
api: remove list/hlist
Remove the parts that actually caused compilation to fail.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 16 Aug 2011 10:51:55 +0000 (06:51 -0400)]
api: remove arch-specific files
No change since they were a subset of api_gcc.h. api_gcc.h is
renamed to api.h, and configure need not create a symlink anymore.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 16 Aug 2011 10:41:06 +0000 (06:41 -0400)]
api: make api_gcc.h a superset of the other headers
After this patch the only differences are:
- for_each_tid is now defined in api_x86.h
- HAVE_CPU_SET_T and HAVE_SCHED_SETAFFINITY are now defined in api_ppc.h
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Fri, 12 Aug 2011 22:23:59 +0000 (18:23 -0400)]
tests api: remove atomics
The code is #if 0'd already, remove it.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 20:49:27 +0000 (16:49 -0400)]
put thread offline while waiting for the init flag
Otherwise, the call_rcu thread might end up in a synchronize_rcu that
never ends.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 20:44:20 +0000 (16:44 -0400)]
urcu: move private definitions to .c file
The reader does not and should not know about RCU_QS_ACTIVE_ATTEMPTS
and KICK_READER_LOOPS. Move the definition to urcu.c.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 20:43:21 +0000 (16:43 -0400)]
urcu-bp: move private definitions to .c file
The reader does not and should not know about RCU_QS_ACTIVE_ATTEMPTS.
Move the definition to urcu-bp.c.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 20:42:53 +0000 (16:42 -0400)]
urcu-qsbr: move private definitions to .c file
The reader does not and should not know about RCU_QS_ACTIVE_ATTEMPTS.
Move the definition to urcu-qsbr.c. Also remove KICK_READER_LOOPS.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 20:40:29 +0000 (16:40 -0400)]
rcutorture: fix rcutorture-qsbr
rcutorture-qsbr is not marking quiescent states, so it will always
have just one update in the whole test. Fix it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Paolo Bonzini [Tue, 9 Aug 2011 12:37:14 +0000 (08:37 -0400)]
wfqueue: fix type-incorrect assignment
The "old_tail = q->tail, q->tail = node" assignment in wfqueue
is not type safe; q->tail is a pointer to pointer to node and the
correct value to assign is &node->next. While the arithmetic is
the same, it is better to be tidy.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 8 Aug 2011 15:15:03 +0000 (11:15 -0400)]
Merge branch 'master' into lfqueue-dev
Mathieu Desnoyers [Tue, 2 Aug 2011 17:22:38 +0000 (13:22 -0400)]
Use caa_ prefix for min() and max()
Defining min/max macros clashes with C++.
Reported-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 21 Jul 2011 21:25:43 +0000 (17:25 -0400)]
Version 0.6.4, update changelog
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 21 Jul 2011 21:17:47 +0000 (17:17 -0400)]
Merge branch 'master' into lfqueue-dev
Mathieu Desnoyers [Thu, 21 Jul 2011 20:50:42 +0000 (16:50 -0400)]
Fix ARM uatomic: missing return in uatomic and/or
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 12 Jul 2011 19:59:00 +0000 (15:59 -0400)]
rculfhash: add likely/unlikely annotation
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 12 Jul 2011 16:15:06 +0000 (12:15 -0400)]
rculfhash: document add lock-freedom
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 12 Jul 2011 15:59:00 +0000 (11:59 -0400)]
rculfhash: document node alignment
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 12 Jul 2011 15:19:35 +0000 (11:19 -0400)]
rculfhash: document algorithms
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 11 Jul 2011 21:56:21 +0000 (17:56 -0400)]
rculfhash test: make teardown more verbose and faster
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 11 Jul 2011 21:34:05 +0000 (17:34 -0400)]
rculfhash: print resize length (useful as non-debug for now)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 11 Jul 2011 21:32:55 +0000 (17:32 -0400)]
rculfhash: tolerate longer chain length
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 11 Jul 2011 21:14:08 +0000 (17:14 -0400)]
rculfhash: diminish index table memory consumption
- introduce log2 rcu table for resize.
- pull the dummy nodes into invariant per-log2-level tables.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 9 Jul 2011 20:43:26 +0000 (16:43 -0400)]
rculfhash: add missing clear flag in gc
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 9 Jul 2011 20:34:29 +0000 (16:34 -0400)]
rculfhash: document flags
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 9 Jul 2011 20:22:32 +0000 (16:22 -0400)]
rculfhash: merge dummy into next ptr
part 2: rely on the flag for check.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 9 Jul 2011 19:28:38 +0000 (15:28 -0400)]
rculfhash: merge dummy flag into next pointer
step 1: set flag
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 9 Jul 2011 19:12:28 +0000 (15:12 -0400)]
rculfhash: Add clear flag
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 9 Jul 2011 19:04:40 +0000 (15:04 -0400)]
rculfhash: introduce REMOVED_FLAG and FLAG_MASK
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 9 Jul 2011 19:02:26 +0000 (15:02 -0400)]
rculfhash: shrink size of dummy node
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 9 Jul 2011 17:28:01 +0000 (13:28 -0400)]
rculfhash: wait for call_rcu quiescence before destroy
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 16:27:19 +0000 (12:27 -0400)]
rculfhash: add c++ ifdef
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 16:19:14 +0000 (12:19 -0400)]
rculfhash test: add options
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 15:49:09 +0000 (11:49 -0400)]
rculfhash test: use per-cpu call-rcu threads
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 15:48:34 +0000 (11:48 -0400)]
rculfhash: update add_unique api
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 15:13:06 +0000 (11:13 -0400)]
rculfhash: fix add unique
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 14:43:51 +0000 (10:43 -0400)]
rculfhash test: increases random pool size
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 14:36:39 +0000 (10:36 -0400)]
rculfhash: remove hash from nodes
Shrink node size, can get it quickly by reversing the reverse_hash.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 14:24:00 +0000 (10:24 -0400)]
rculfhash: change order of node fields for locality
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 13:48:44 +0000 (09:48 -0400)]
rculfhash: merge node gc into add loop
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 13:43:50 +0000 (09:43 -0400)]
rculfhash: cleanup
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 13:20:39 +0000 (09:20 -0400)]
rculfhash test: add nr_leaked count
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 7 Jul 2011 13:09:04 +0000 (09:09 -0400)]
rculfhash: garbage collection scheme
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 20:05:48 +0000 (16:05 -0400)]
rculfhash: flip order of removal
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 19:00:14 +0000 (15:00 -0400)]
rculfhash: Remove "value" pointer
Use container_of instead.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 17:37:19 +0000 (13:37 -0400)]
rculfhash test: add missing free
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 15:19:08 +0000 (11:19 -0400)]
rculfhash: add unique
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 14:50:09 +0000 (10:50 -0400)]
Update resize thresholds
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 14:45:04 +0000 (10:45 -0400)]
rculfhash updates
- Add and remove now completely lock-free (no busy-wait loop).
- Add resize_initiated flag to skip multiple call_rcu calls.
- Identical reverse hashes now only count as one chain entry in the
chain length accounting. We cannot split identical hashes by growing
the hash table anyway, so it was leading to large tables uselessly
when we had a lot of similar hashes.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 05:07:33 +0000 (01:07 -0400)]
Comment list behavior wrt lock-freedom
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 04:52:07 +0000 (00:52 -0400)]
Fix reverse hash comparison
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 04:44:43 +0000 (00:44 -0400)]
rculfhash: use threshold and target
Accept to target bucket len greater than 1 to diminish the memory
consumption without too much performance impact.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 03:47:32 +0000 (23:47 -0400)]
rculfhash: implement real hash function
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 02:43:17 +0000 (22:43 -0400)]
rculfhash: fix resize (use log2 of chain length)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 6 Jul 2011 01:02:11 +0000 (21:02 -0400)]
Merge remote branch 'origin/urcu/ht' into urcu/ht
Conflicts:
urcu-ht.h
Mathieu Desnoyers [Wed, 6 Jul 2011 01:00:42 +0000 (21:00 -0400)]
rcu lf hash table runtime fixes
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Tue, 5 Jul 2011 23:35:08 +0000 (19:35 -0400)]
split-ordered hash table
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 2 Jul 2011 15:31:09 +0000 (11:31 -0400)]
Rename urcu-ht to rculfhash
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Sat, 2 Jul 2011 15:24:18 +0000 (11:24 -0400)]
Merge branch 'master' into urcu/ht
Conflicts:
Makefile.inc
tests/Makefile.inc
urcu-defer.h
Mathieu Desnoyers [Fri, 1 Jul 2011 23:51:48 +0000 (19:51 -0400)]
rculfqueue: provide locklessness by allowing multiple dummy nodes
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 22:50:15 +0000 (18:50 -0400)]
rcu lfqueue: make dequeue lockless by helping out other dequeuers
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 21:42:48 +0000 (17:42 -0400)]
rculfqueue: Document dummy pointer value access
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 21:35:07 +0000 (17:35 -0400)]
rculfqueue: Keep a reference to the current dummy node rather than using low bit
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 21:24:24 +0000 (17:24 -0400)]
rculfqueue: only one dummy node is needed
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 21:23:39 +0000 (17:23 -0400)]
rculfstack: update comment
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 21:06:16 +0000 (17:06 -0400)]
RCU lf queue: Add assert for memory allocation
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 20:17:55 +0000 (16:17 -0400)]
rculfstack: header implementation should be defined as static inline
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 20:17:14 +0000 (16:17 -0400)]
wfstack: header implementation should be defined as static inline
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 20:34:38 +0000 (16:34 -0400)]
RCU lfqueue: Now works without reference counting (API change)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 20:17:55 +0000 (16:17 -0400)]
rculfstack: header implementation should be defined as static inline
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Fri, 1 Jul 2011 20:17:14 +0000 (16:17 -0400)]
wfstack: header implementation should be defined as static inline
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Thu, 30 Jun 2011 14:45:33 +0000 (10:45 -0400)]
urcu tests: hold mutex across use of custom allocator
A thread preempted for a long period of time could race, when scheduled
again, with another thread that would have been allocating/freeing
entries (thus wrapping-around the available buffer), which would trigger
this race only when overcommitting the number of threads compared to the
number of available CPUs.
Taking the mutex across alloc and free to fix this.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 20:39:19 +0000 (16:39 -0400)]
urcu-bp: mremap wrapper fix
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 20:38:06 +0000 (16:38 -0400)]
urcu-bp: add mremap wrapper for non-linux systems
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 20:31:16 +0000 (16:31 -0400)]
urcu-bp: don't copy old region upon mremap
mremap keeps the same virtual pages for the old/new mappings. So
explicitly copying from the old mapping is not needed, and probably
buggy, since the old mapping might have been unmapped.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 18:35:08 +0000 (14:35 -0400)]
api.h: fix type warning
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 18:20:31 +0000 (14:20 -0400)]
non-linux system membarrier fallback update
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 18:12:23 +0000 (14:12 -0400)]
pthread_self should be cast to unsigned long
Used as part of the random seed along with time().
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 17:47:28 +0000 (13:47 -0400)]
Add MAP_ANONYMOUS mapping to MAP_ANON for BSD build
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 17:43:22 +0000 (13:43 -0400)]
tests: only include syscall.h on linux systems
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 17:34:48 +0000 (13:34 -0400)]
urcu-bp, urcu-qsbr: remove unneeded syscall.h include
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 17:30:42 +0000 (13:30 -0400)]
urcu-defer: remove unneeded syscall.h include
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 17:29:38 +0000 (13:29 -0400)]
call_rcu: per_cpu_call_rcu_data should be non-const
On FreeBSD:
In file included from urcu.c:438:
urcu-call-rcu-impl.h: In function 'get_cpu_call_rcu_data_mb':
urcu-call-rcu-impl.h:325: warning: return discards qualifiers from pointer target type
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 17:02:45 +0000 (13:02 -0400)]
Update README info about gcc compability
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 16:51:41 +0000 (12:51 -0400)]
Fix urcu-call-rcu-impl.h missing call_rcu_wait for non-linux systems
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 16:49:35 +0000 (12:49 -0400)]
compat_futex_async: fix missing return
compat_futex.c: In function `compat_futex_async':
compat_futex.c:114: warning: control reaches end of non-void function
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 16:46:52 +0000 (12:46 -0400)]
Check for __linux__ before including syscall.h
Reported-by: Jean-François Brousseau <jfb@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 16:30:30 +0000 (12:30 -0400)]
Remove unused local variables from compat_futex_async
Reported-by: Jean-François Brousseau <jfb@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Wed, 29 Jun 2011 16:29:39 +0000 (12:29 -0400)]
Remove unneeded syscall.h include from urcu-call-rcu-impl.h
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers [Mon, 27 Jun 2011 21:52:41 +0000 (17:52 -0400)]
Add ChangeLog file to Makefile.am
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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