From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754066Ab3IZSeg (ORCPT ); Thu, 26 Sep 2013 14:34:36 -0400 Received: from mail-pb0-f48.google.com ([209.85.160.48]:35119 "EHLO mail-pb0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753005Ab3IZSeb (ORCPT ); Thu, 26 Sep 2013 14:34:31 -0400 From: John Stultz To: LKML Cc: John Stultz , Thomas Petazzoni , Mirko Lindner , Stephen Hemminger , Roger Luethi , Patrick McHardy , Rusty Russell , "Michael S. Tsirkin" , Alexey Kuznetsov , James Morris , Hideaki YOSHIFUJI , Wensong Zhang , Simon Horman , Julian Anastasov , Jesse Gross , Mathieu Desnoyers , Steven Rostedt , Peter Zijlstra , Ingo Molnar , Thomas Gleixner , "David S. Miller" , netdev@vger.kernel.org, netfilter-devel@vger.kernel.org Subject: [PATCH 0/4][RFC] Lockdep enablement for seqcount/seqlocks Date: Thu, 26 Sep 2013 11:34:20 -0700 Message-Id: <1380220464-28840-1-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 1.8.1.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I wanted to send this out again for feedback. This patch series enables lockdep for seqcount/seqlock structures, as well as provides the required cleanups to explicitly initialize the seqcount structures on u64_stat_sync users. In addition the last two patches in this provide naive fixes to some of the issues the new lockdep infrastructure caught. I'd greatly appreciate any thoughts or feedback on the series! thanks -john Cc: Thomas Petazzoni Cc: Mirko Lindner Cc: Stephen Hemminger Cc: Roger Luethi Cc: Patrick McHardy Cc: Rusty Russell Cc: "Michael S. Tsirkin" Cc: Alexey Kuznetsov Cc: James Morris Cc: Hideaki YOSHIFUJI Cc: Wensong Zhang Cc: Simon Horman Cc: Julian Anastasov Cc: Jesse Gross Cc: Mathieu Desnoyers Cc: Steven Rostedt Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Thomas Gleixner Cc: "David S. Miller" Cc: netdev@vger.kernel.org Cc: netfilter-devel@vger.kernel.org John Stultz (4): [RFC] net: Explicitly initialize u64_stats_sync structures for lockdep [RFC] seqcount: Add lockdep functionality to seqcount/seqlock structures [RFC] cpuset: Fix potential deadlock w/ set_mems_allowed [RFC] ipv6: Fix for possible ipv6 seqlock deadlock arch/x86/vdso/vclock_gettime.c | 8 +-- drivers/net/dummy.c | 6 ++ drivers/net/ethernet/emulex/benet/be_main.c | 4 ++ drivers/net/ethernet/intel/igb/igb_main.c | 5 ++ drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 4 ++ drivers/net/ethernet/marvell/mvneta.c | 3 + drivers/net/ethernet/marvell/sky2.c | 3 + drivers/net/ethernet/neterion/vxge/vxge-main.c | 4 ++ drivers/net/ethernet/nvidia/forcedeth.c | 2 + drivers/net/ethernet/realtek/8139too.c | 3 + drivers/net/ethernet/tile/tilepro.c | 2 + drivers/net/ethernet/via/via-rhine.c | 3 + drivers/net/ifb.c | 5 ++ drivers/net/loopback.c | 6 ++ drivers/net/macvlan.c | 7 +++ drivers/net/nlmon.c | 8 +++ drivers/net/team/team.c | 6 ++ drivers/net/team/team_mode_loadbalance.c | 9 ++- drivers/net/veth.c | 8 +++ drivers/net/virtio_net.c | 8 +++ drivers/net/vxlan.c | 8 +++ drivers/net/xen-netfront.c | 6 ++ fs/dcache.c | 4 +- fs/fs_struct.c | 2 +- include/linux/cpuset.h | 4 ++ include/linux/init_task.h | 8 +-- include/linux/lockdep.h | 8 ++- include/linux/seqlock.h | 79 ++++++++++++++++++++++++-- include/linux/u64_stats_sync.h | 7 +++ mm/filemap_xip.c | 2 +- net/8021q/vlan_dev.c | 9 ++- net/bridge/br_device.c | 7 +++ net/ipv4/af_inet.c | 14 +++++ net/ipv4/ip_tunnel.c | 8 ++- net/ipv6/addrconf.c | 14 +++++ net/ipv6/af_inet6.c | 14 +++++ net/ipv6/ip6_gre.c | 15 +++++ net/ipv6/ip6_output.c | 7 ++- net/ipv6/ip6_tunnel.c | 7 +++ net/ipv6/sit.c | 15 +++++ net/netfilter/ipvs/ip_vs_ctl.c | 25 +++++++- net/openvswitch/datapath.c | 6 ++ net/openvswitch/vport.c | 8 +++ 43 files changed, 354 insertions(+), 27 deletions(-) -- 1.8.1.2