[PATCH tip/core/rcu 0/23] infrastructure for sparse checks for RCUusage

[Paul E. McKenney]

Hello!

This patchset pulls Arnd's sparse-checking commits out of the earlier
patchbomb (http://lkml.org/lkml/2010/5/4/298):

1.	Add an rcu_dereference_check() API in order to continue supporting
	the array-index use cases that would otherwise be invalidated
	by this change.
2.	Add an empty __rcu annotation API to reduce inter-commit dependency.
3-5.	Updates to vfs, net, and mce to avoid breakage by later commits.
6.	Introduce sparse __rcu functionality.
7.	Update rculist primitives to avoid false positives.
8-22.	Introduce __rcu annotations to cgroups, credentials, keys, nfs,
	net, perf_event, notifiers, radix-tree, idr, input, net-netfilter,
	kvm, and kernel.
23.	Introduce __rcu annotations and checks to vhost.

These have been reordered and consolidated to reduce inter-commit
dependencies.

							Thanx, Paul

 b/arch/x86/include/asm/kvm_host.h      |    2 
 b/arch/x86/kernel/cpu/mcheck/mce.c     |    2 
 b/drivers/input/evdev.c                |    2 
 b/drivers/net/bnx2.h                   |    2 
 b/drivers/net/bnx2x.h                  |    2 
 b/drivers/net/cnic.h                   |    2 
 b/drivers/net/macvtap.c                |    2 
 b/drivers/vhost/net.c                  |   11 -
 b/drivers/vhost/vhost.c                |   14 -
 b/drivers/vhost/vhost.h                |    4 
 b/include/linux/cgroup.h               |    4 
 b/include/linux/compiler.h             |    2 
 b/include/linux/cred.h                 |    2 
 b/include/linux/fdtable.h              |    1 
 b/include/linux/fs.h                   |    2 
 b/include/linux/genhd.h                |    6 
 b/include/linux/idr.h                  |    4 
 b/include/linux/if_bridge.h            |    3 
 b/include/linux/if_macvlan.h           |    2 
 b/include/linux/igmp.h                 |    4 
 b/include/linux/init_task.h            |    4 
 b/include/linux/input.h                |    2 
 b/include/linux/iocontext.h            |    2 
 b/include/linux/key.h                  |    3 
 b/include/linux/kvm_host.h             |    2 
 b/include/linux/mm_types.h             |    2 
 b/include/linux/netdevice.h            |   12 -
 b/include/linux/nfs_fs.h               |    2 
 b/include/linux/notifier.h             |   10 
 b/include/linux/perf_event.h           |    6 
 b/include/linux/radix-tree.h           |    4 
 b/include/linux/rculist.h              |   53 +++-
 b/include/linux/rculist_nulls.h        |   16 +
 b/include/linux/rcupdate.h             |   33 +++
 b/include/linux/sched.h                |    2 
 b/include/linux/srcu.h                 |   27 ++
 b/include/linux/sunrpc/auth_gss.h      |    4 
 b/include/net/dst.h                    |    2 
 b/include/net/fib_rules.h              |    2 
 b/include/net/garp.h                   |    2 
 b/include/net/inet_sock.h              |    2 
 b/include/net/ip6_tunnel.h             |    2 
 b/include/net/ipip.h                   |    6 
 b/include/net/net_namespace.h          |    2 
 b/include/net/netfilter/nf_conntrack.h |    2 
 b/include/net/netns/xfrm.h             |    2 
 b/include/net/sock.h                   |    4 
 b/kernel/cgroup.c                      |    2 
 b/kernel/pid.c                         |    2 
 b/kernel/rcupdate.c                    |    6 
 b/kernel/sched.c                       |    2 
 b/lib/Kconfig.debug                    |   13 +
 b/lib/radix-tree.c                     |    2 
 b/net/802/stp.c                        |    4 
 b/net/bridge/br_fdb.c                  |    2 
 b/net/bridge/br_private.h              |    8 
 b/net/bridge/netfilter/ebt_redirect.c  |    2 
 b/net/bridge/netfilter/ebt_ulog.c      |    4 
 b/net/bridge/netfilter/ebtables.c      |    4 
 b/net/ipv4/ip_gre.c                    |    2 
 b/net/ipv4/ipip.c                      |   10 
 b/net/ipv4/netfilter/nf_nat_core.c     |    2 
 b/net/ipv4/protocol.c                  |    2 
 b/net/ipv4/route.c                     |    2 
 b/net/ipv4/tcp.c                       |    4 
 b/net/ipv6/ip6_tunnel.c                |    6 
 b/net/ipv6/protocol.c                  |    2 
 b/net/ipv6/sit.c                       |   10 
 b/net/mac80211/ieee80211_i.h           |   15 -
 b/net/mac80211/sta_info.h              |    4 
 b/net/netfilter/core.c                 |    2 
 b/net/netfilter/nf_conntrack_ecache.c  |    4 
 b/net/netfilter/nf_conntrack_extend.c  |    2 
 b/net/netfilter/nf_conntrack_proto.c   |    4 
 b/net/netfilter/nf_log.c               |    2 
 b/net/netfilter/nf_queue.c             |    2 
 b/net/netfilter/nfnetlink_log.c        |    4 
 b/net/netfilter/nfnetlink_queue.c      |    4 
 b/net/netlabel/netlabel_domainhash.c   |    4 
 b/net/netlabel/netlabel_unlabeled.c    |    4 
 b/net/netlink/af_netlink.c             |    2 
 b/net/phonet/af_phonet.c               |    2 
 b/net/phonet/pn_dev.c                  |    2 
 b/net/socket.c                         |    2 
 include/linux/compiler.h               |    4 
 include/linux/fdtable.h                |    6 
 include/linux/kvm_host.h               |    4 
 include/linux/rcupdate.h               |  352 +++++++++++++++++++--------------
 include/linux/sched.h                  |    6 
 89 files changed, 498 insertions(+), 307 deletions(-)
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