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2541d75983cb6a48f0303ab96ec2a1be1b0ccbe7
openvswitch/lib/automake.mk
Jarno Rajahalme 2541d75983 rculist: Remove postponed poisoning. 
Postponed 'next' member poisoning was based on the faulty assumption
that postponed functions would be called in the order they were
postponed.  This assumption holds only for the functions postponed by
any single thread.  When functions are postponed by different
threads, there are no guarantees of the order in which the functions
may be called, or timing between those calls after the next grace
period has passed.

Given this, the postponed poisoning could have executed after
postponed destruction of the object containing the rculist element.

This bug was revealed after the memory leaks on rule deletion were
recently fixed.

This patch removes the postponed 'next' member poisoning and adds
documentation describing the ordering limitations in OVS RCU.

Alex Wang dug out the root cause of the resulting crashes, thanks!

Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Acked-by: Alex Wang <alexw@nicira.com>
2015-06-11 17:28:37 -07:00

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# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved. This file is offered as-is,
# without warranty of any kind.
lib_LTLIBRARIES += lib/libopenvswitch.la
lib_libopenvswitch_la_LIBADD = $(SSL_LIBS)
if WIN32
lib_libopenvswitch_la_LIBADD += ${PTHREAD_LIBS}
endif
lib_libopenvswitch_la_LDFLAGS = \
-version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE) \
-Wl,--version-script=$(top_builddir)/lib/libopenvswitch.sym \
$(AM_LDFLAGS)
lib_libopenvswitch_la_SOURCES = \
lib/aes128.c \
lib/aes128.h \
lib/async-append.h \
lib/backtrace.c \
lib/backtrace.h \
lib/bfd.c \
lib/bfd.h \
lib/bitmap.h \
lib/bundle.c \
lib/bundle.h \
lib/byte-order.h \
lib/byteq.c \
lib/byteq.h \
lib/cfm.c \
lib/cfm.h \
lib/classifier.c \
lib/classifier.h \
lib/classifier-private.h \
lib/cmap.c \
lib/cmap.h \
lib/command-line.c \
lib/command-line.h \
lib/compiler.h \
lib/connectivity.c \
lib/connectivity.h \
lib/coverage.c \
lib/coverage.h \
lib/crc32c.c \
lib/crc32c.h \
lib/csum.c \
lib/csum.h \
lib/daemon.c \
lib/daemon.h \
lib/daemon-private.h \
lib/dhcp.h \
lib/dummy.c \
lib/dummy.h \
lib/dhparams.h \
lib/dirs.h \
lib/dpctl.c \
lib/dpctl.h \
lib/dp-packet.h \
lib/dp-packet.c \
lib/dpif-netdev.c \
lib/dpif-netdev.h \
lib/dpif-provider.h \
lib/dpif.c \
lib/dpif.h \
lib/heap.c \
lib/heap.h \
lib/dynamic-string.c \
lib/dynamic-string.h \
lib/entropy.c \
lib/entropy.h \
lib/fat-rwlock.c \
lib/fat-rwlock.h \
lib/fatal-signal.c \
lib/fatal-signal.h \
lib/flow.c \
lib/flow.h \
lib/guarded-list.c \
lib/guarded-list.h \
lib/hash.c \
lib/hash.h \
lib/hindex.c \
lib/hindex.h \
lib/hmap.c \
lib/hmap.h \
lib/hmapx.c \
lib/hmapx.h \
lib/id-pool.c \
lib/id-pool.h \
lib/jhash.c \
lib/jhash.h \
lib/json.c \
lib/json.h \
lib/jsonrpc.c \
lib/jsonrpc.h \
lib/lacp.c \
lib/lacp.h \
lib/latch.h \
lib/learn.c \
lib/learn.h \
lib/learning-switch.c \
lib/learning-switch.h \
lib/list.h \
lib/lockfile.c \
lib/lockfile.h \
lib/mac-learning.c \
lib/mac-learning.h \
lib/match.c \
lib/match.h \
lib/mcast-snooping.c \
lib/mcast-snooping.h \
lib/memory.c \
lib/memory.h \
lib/meta-flow.c \
lib/meta-flow.h \
lib/multipath.c \
lib/multipath.h \
lib/netdev-dummy.c \
lib/netdev-provider.h \
lib/netdev-vport.c \
lib/netdev-vport.h \
lib/netdev.c \
lib/netdev.h \
lib/netflow.h \
lib/netlink.c \
lib/netlink.h \
lib/nx-match.c \
lib/nx-match.h \
lib/odp-execute.c \
lib/odp-execute.h \
lib/odp-util.c \
lib/odp-util.h \
lib/ofp-actions.c \
lib/ofp-actions.h \
lib/ofp-errors.c \
lib/ofp-errors.h \
lib/ofp-msgs.c \
lib/ofp-msgs.h \
lib/ofp-parse.c \
lib/ofp-parse.h \
lib/ofp-print.c \
lib/ofp-print.h \
lib/ofp-util.c \
lib/ofp-util.h \
lib/ofp-version-opt.h \
lib/ofp-version-opt.c \
lib/ofpbuf.c \
lib/ofpbuf.h \
lib/ovs-atomic-c11.h \
lib/ovs-atomic-clang.h \
lib/ovs-atomic-flag-gcc4.7+.h \
lib/ovs-atomic-gcc4+.h \
lib/ovs-atomic-gcc4.7+.h \
lib/ovs-atomic-i586.h \
lib/ovs-atomic-locked.c \
lib/ovs-atomic-locked.h \
lib/ovs-atomic-msvc.h \
lib/ovs-atomic-pthreads.h \
lib/ovs-atomic-x86_64.h \
lib/ovs-atomic.h \
lib/ovs-lldp.c \
lib/ovs-lldp.h \
lib/ovs-rcu.c \
lib/ovs-rcu.h \
lib/ovs-router.h \
lib/ovs-router.c \
lib/ovs-thread.c \
lib/ovs-thread.h \
lib/ovsdb-data.c \
lib/ovsdb-data.h \
lib/ovsdb-error.c \
lib/ovsdb-error.h \
lib/ovsdb-idl-provider.h \
lib/ovsdb-idl.c \
lib/ovsdb-idl.h \
lib/ovsdb-parser.c \
lib/ovsdb-parser.h \
lib/ovsdb-types.c \
lib/ovsdb-types.h \
lib/packets.c \
lib/packets.h \
lib/pcap-file.c \
lib/pcap-file.h \
lib/perf-counter.h \
lib/perf-counter.c \
lib/poll-loop.c \
lib/poll-loop.h \
lib/process.c \
lib/process.h \
lib/pvector.c \
lib/pvector.h \
lib/random.c \
lib/random.h \
lib/rconn.c \
lib/rconn.h \
lib/rculist.h \
lib/reconnect.c \
lib/reconnect.h \
lib/rstp.c \
lib/rstp.h \
lib/rstp-common.h \
lib/rstp-state-machines.c \
lib/rstp-state-machines.h \
lib/sat-math.h \
lib/seq.c \
lib/seq.h \
lib/sha1.c \
lib/sha1.h \
lib/shash.c \
lib/shash.h \
lib/simap.c \
lib/simap.h \
lib/smap.c \
lib/smap.h \
lib/socket-util.c \
lib/socket-util.h \
lib/sort.c \
lib/sort.h \
lib/sset.c \
lib/sset.h \
lib/stp.c \
lib/stp.h \
lib/stream-fd.c \
lib/stream-fd.h \
lib/stream-provider.h \
lib/stream-ssl.h \
lib/stream-tcp.c \
lib/stream.c \
lib/stream.h \
lib/stdio.c \
lib/string.c \
lib/svec.c \
lib/svec.h \
lib/table.c \
lib/table.h \
lib/tag.c \
lib/tag.h \
lib/timer.c \
lib/timer.h \
lib/timeval.c \
lib/timeval.h \
lib/tnl-arp-cache.c \
lib/tnl-arp-cache.h \
lib/tnl-ports.c \
lib/tnl-ports.h \
lib/token-bucket.c \
lib/type-props.h \
lib/unaligned.h \
lib/unicode.c \
lib/unicode.h \
lib/unixctl.c \
lib/unixctl.h \
lib/util.c \
lib/util.h \
lib/uuid.c \
lib/uuid.h \
lib/valgrind.h \
lib/vconn-provider.h \
lib/vconn-stream.c \
lib/vconn.c \
lib/vlan-bitmap.c \
lib/vlan-bitmap.h \
lib/vlandev.c \
lib/vlandev.h \
lib/vlog.c \
lib/vswitch-idl.c \
lib/vswitch-idl.h \
lib/lldp/aa-structs.h \
lib/lldp/lldp.c \
lib/lldp/lldp-const.h \
lib/lldp/lldp-tlv.h \
lib/lldp/lldpd.c \
lib/lldp/lldpd.h \
lib/lldp/lldpd-structs.c \
lib/lldp/lldpd-structs.h
if WIN32
lib_libopenvswitch_la_SOURCES += \
lib/daemon-windows.c \
lib/getopt_long.c \
lib/getrusage-windows.c \
lib/latch-windows.c \
lib/route-table-stub.c \
lib/strsep.c
else
lib_libopenvswitch_la_SOURCES += \
lib/daemon-unix.c \
lib/latch-unix.c \
lib/signals.c \
lib/signals.h \
lib/socket-util-unix.c \
lib/stream-unix.c
endif
EXTRA_DIST += \
lib/stdio.h.in \
lib/string.h.in
nodist_lib_libopenvswitch_la_SOURCES = \
lib/dirs.c
CLEANFILES += $(nodist_lib_libopenvswitch_la_SOURCES)
lib_LTLIBRARIES += lib/libsflow.la
lib_libsflow_la_LDFLAGS = \
-version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE) \
-Wl,--version-script=$(top_builddir)/lib/libsflow.sym \
$(AM_LDFLAGS)
lib_libsflow_la_SOURCES = \
lib/sflow_api.h \
lib/sflow.h \
lib/sflow_agent.c \
lib/sflow_sampler.c \
lib/sflow_poller.c \
lib/sflow_receiver.c
lib_libsflow_la_CPPFLAGS = $(AM_CPPFLAGS)
lib_libsflow_la_CFLAGS = $(AM_CFLAGS)
if HAVE_WNO_UNUSED
lib_libsflow_la_CFLAGS += -Wno-unused
endif
if HAVE_WNO_UNUSED_PARAMETER
lib_libsflow_la_CFLAGS += -Wno-unused-parameter
endif
if LINUX
lib_libopenvswitch_la_SOURCES += \
lib/dpif-netlink.c \
lib/dpif-netlink.h \
lib/netdev-linux.c \
lib/netdev-linux.h \
lib/netlink-notifier.c \
lib/netlink-notifier.h \
lib/netlink-protocol.h \
lib/netlink-socket.c \
lib/netlink-socket.h \
lib/ovs-numa.c \
lib/ovs-numa.h \
lib/rtnetlink-link.c \
lib/rtnetlink-link.h \
lib/route-table.c \
lib/route-table.h
endif
if DPDK_NETDEV
lib_libopenvswitch_la_SOURCES += \
lib/netdev-dpdk.c \
lib/netdev-dpdk.h
endif
if WIN32
lib_libopenvswitch_la_SOURCES += \
lib/dpif-netlink.c \
lib/dpif-netlink.h \
lib/netdev-windows.c \
lib/netlink-notifier.c \
lib/netlink-notifier.h \
lib/netlink-protocol.h \
lib/netlink-socket.c \
lib/netlink-socket.h
endif
if HAVE_POSIX_AIO
lib_libopenvswitch_la_SOURCES += lib/async-append-aio.c
else
lib_libopenvswitch_la_SOURCES += lib/async-append-null.c
endif
if ESX
lib_libopenvswitch_la_SOURCES += \
lib/route-table-stub.c
endif
if HAVE_IF_DL
lib_libopenvswitch_la_SOURCES += \
lib/netdev-bsd.c \
lib/rtbsd.c \
lib/rtbsd.h \
lib/route-table-bsd.c
endif
if HAVE_OPENSSL
lib_libopenvswitch_la_SOURCES += lib/stream-ssl.c
nodist_lib_libopenvswitch_la_SOURCES += lib/dhparams.c
lib/dhparams.c: lib/dh1024.pem lib/dh2048.pem lib/dh4096.pem
$(AM_V_GEN)(echo '#include "lib/dhparams.h"' && \
openssl dhparam -C -in $(srcdir)/lib/dh1024.pem -noout && \
openssl dhparam -C -in $(srcdir)/lib/dh2048.pem -noout && \
openssl dhparam -C -in $(srcdir)/lib/dh4096.pem -noout) \
| sed 's/\(get_dh[0-9]*\)()/\1(void)/' > lib/dhparams.c.tmp && \
mv lib/dhparams.c.tmp lib/dhparams.c
else
lib_libopenvswitch_la_SOURCES += lib/stream-nossl.c
endif
pkgconfig_DATA += \
$(srcdir)/lib/libopenvswitch.pc \
$(srcdir)/lib/libsflow.pc
EXTRA_DIST += \
lib/dh1024.pem \
lib/dh2048.pem \
lib/dh4096.pem \
lib/dirs.c.in
MAN_FRAGMENTS += \
lib/common.man \
lib/common-syn.man \
lib/coverage-unixctl.man \
lib/daemon.man \
lib/daemon-syn.man \
lib/dpctl.man \
lib/memory-unixctl.man \
lib/ofp-version.man \
lib/ovs.tmac \
lib/service.man \
lib/service-syn.man \
lib/ssl-bootstrap.man \
lib/ssl-bootstrap-syn.man \
lib/ssl-peer-ca-cert.man \
lib/ssl.man \
lib/ssl-syn.man \
lib/table.man \
lib/unixctl.man \
lib/unixctl-syn.man \
lib/vconn-active.man \
lib/vconn-passive.man \
lib/vlog-unixctl.man \
lib/vlog-syn.man \
lib/vlog.man
# vswitch IDL
OVSIDL_BUILT += \
$(srcdir)/lib/vswitch-idl.c \
$(srcdir)/lib/vswitch-idl.h \
$(srcdir)/lib/vswitch-idl.ovsidl
EXTRA_DIST += $(srcdir)/lib/vswitch-idl.ann
VSWITCH_IDL_FILES = \
$(srcdir)/vswitchd/vswitch.ovsschema \
$(srcdir)/lib/vswitch-idl.ann
$(srcdir)/lib/vswitch-idl.ovsidl: $(VSWITCH_IDL_FILES)
$(AM_V_GEN)$(OVSDB_IDLC) annotate $(VSWITCH_IDL_FILES) > $@.tmp && \
mv $@.tmp $@
lib/dirs.c: lib/dirs.c.in Makefile
$(AM_V_GEN)($(ro_c) && sed < $(srcdir)/lib/dirs.c.in \
-e 's,[@]srcdir[@],$(srcdir),g' \
-e 's,[@]LOGDIR[@],"$(LOGDIR)",g' \
-e 's,[@]RUNDIR[@],"$(RUNDIR)",g' \
-e 's,[@]DBDIR[@],"$(DBDIR)",g' \
-e 's,[@]bindir[@],"$(bindir)",g' \
-e 's,[@]sysconfdir[@],"$(sysconfdir)",g' \
-e 's,[@]pkgdatadir[@],"$(pkgdatadir)",g') \
> lib/dirs.c.tmp && \
mv lib/dirs.c.tmp lib/dirs.c
lib/meta-flow.inc: $(srcdir)/build-aux/extract-ofp-fields lib/meta-flow.h
$(AM_V_GEN)$(run_python) $^ --meta-flow > $@.tmp && mv $@.tmp $@
lib/meta-flow.lo: lib/meta-flow.inc
lib/nx-match.inc: $(srcdir)/build-aux/extract-ofp-fields lib/meta-flow.h
$(AM_V_GEN)$(run_python) $^ --nx-match > $@.tmp && mv $@.tmp $@
lib/nx-match.lo: lib/nx-match.inc
CLEANFILES += lib/meta-flow.inc lib/nx-match.inc
EXTRA_DIST += build-aux/extract-ofp-fields
lib/ofp-actions.inc1: $(srcdir)/build-aux/extract-ofp-actions lib/ofp-actions.c
$(AM_V_GEN)$(run_python) $^ --prototypes > $@.tmp && mv $@.tmp $@
lib/ofp-actions.inc2: $(srcdir)/build-aux/extract-ofp-actions lib/ofp-actions.c
$(AM_V_GEN)$(run_python) $^ --definitions > $@.tmp && mv $@.tmp $@
lib/ofp-actions.lo: lib/ofp-actions.inc1 lib/ofp-actions.inc2
CLEANFILES += lib/ofp-actions.inc1 lib/ofp-actions.inc2
EXTRA_DIST += build-aux/extract-ofp-actions
$(srcdir)/lib/ofp-errors.inc: \
lib/ofp-errors.h include/openflow/openflow-common.h \
$(srcdir)/build-aux/extract-ofp-errors
$(AM_V_GEN)$(run_python) $(srcdir)/build-aux/extract-ofp-errors \
$(srcdir)/lib/ofp-errors.h \
$(srcdir)/include/openflow/openflow-common.h > $@.tmp && \
mv $@.tmp $@
$(srcdir)/lib/ofp-errors.c: $(srcdir)/lib/ofp-errors.inc
EXTRA_DIST += build-aux/extract-ofp-errors lib/ofp-errors.inc
$(srcdir)/lib/ofp-msgs.inc: \
lib/ofp-msgs.h $(srcdir)/build-aux/extract-ofp-msgs
$(AM_V_GEN)$(run_python) $(srcdir)/build-aux/extract-ofp-msgs \
$(srcdir)/lib/ofp-msgs.h $@ > $@.tmp && mv $@.tmp $@
$(srcdir)/lib/ofp-msgs.c: $(srcdir)/lib/ofp-msgs.inc
EXTRA_DIST += build-aux/extract-ofp-msgs lib/ofp-msgs.inc
INSTALL_DATA_LOCAL += lib-install-data-local
lib-install-data-local:
$(MKDIR_P) $(DESTDIR)$(RUNDIR)
$(MKDIR_P) $(DESTDIR)$(PKIDIR)
$(MKDIR_P) $(DESTDIR)$(LOGDIR)
$(MKDIR_P) $(DESTDIR)$(DBDIR)
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