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* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2011-02-0418-30/+260
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (68 commits) net: can: janz-ican3: world-writable sysfs termination file net: can: at91_can: world-writable sysfs files MAINTAINERS: update email ids of the be2net driver maintainers. bridge: Don't put partly initialized fdb into hash r8169: prevent RxFIFO induced loops in the irq handler. r8169: RxFIFO overflow oddities with 8168 chipsets. r8169: use RxFIFO overflow workaround for 8168c chipset. include/net/genetlink.h: Allow genlmsg_cancel to accept a NULL argument net: Provide compat support for SIOCGETMIFCNT_IN6 and SIOCGETSGCNT_IN6. net: Support compat SIOCGETVIFCNT ioctl in ipv4. net: Fix bug in compat SIOCGETSGCNT handling. niu: Fix races between up/down and get_stats. tcp_ecn is an integer not a boolean atl1c: Add missing PCI device ID s390: Fix possibly wrong size in strncmp (smsgiucv) s390: Fix wrong size in memcmp (netiucv) qeth: allow OSA CHPARM change in suspend state qeth: allow HiperSockets framesize change in suspend qeth: add more strict MTU checking qeth: show new mac-address if its setting fails ...
| * bridge: Don't put partly initialized fdb into hashPavel Emelyanov2011-02-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | The fdb_create() puts a new fdb into hash with only addr set. This is not good, since there are callers, that search the hash w/o the lock and access all the other its fields. Applies to current netdev tree. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: Provide compat support for SIOCGETMIFCNT_IN6 and SIOCGETSGCNT_IN6.David S. Miller2011-02-032-0/+94
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: Support compat SIOCGETVIFCNT ioctl in ipv4.David S. Miller2011-02-031-0/+30
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: Fix bug in compat SIOCGETSGCNT handling.David S. Miller2011-02-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Commit 709b46e8d90badda1898caea50483c12af178e96 ("net: Add compat ioctl support for the ipv4 multicast ioctl SIOCGETSGCNT") added the correct plumbing to handle SIOCGETSGCNT properly. However, whilst definiting a proper "struct compat_sioc_sg_req" it isn't actually used in ipmr_compat_ioctl(). Correct this oversight. Signed-off-by: David S. Miller <davem@davemloft.net>
| * Merge branch 'master' of ↵David S. Miller2011-02-024-12/+14
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
| | * netfilter: ecache: always set events bits, filter them laterPablo Neira Ayuso2011-02-011-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the following rule: iptables -I PREROUTING -t raw -j CT --ctevents assured The event delivered looks like the following: [UPDATE] tcp 6 src=192.168.0.2 dst=192.168.1.2 sport=37041 dport=80 src=192.168.1.2 dst=192.168.1.100 sport=80 dport=37041 [ASSURED] Note that the TCP protocol state is not included. For that reason the CT event filtering is not very useful for conntrackd. To resolve this issue, instead of conditionally setting the CT events bits based on the ctmask, we always set them and perform the filtering in the late stage, just before the delivery. Thus, the event delivered looks like the following: [UPDATE] tcp 6 432000 ESTABLISHED src=192.168.0.2 dst=192.168.1.2 sport=37041 dport=80 src=192.168.1.2 dst=192.168.1.100 sport=80 dport=37041 [ASSURED] Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
| | * netfilter: arpt_mangle: fix return values of checkentryPablo Neira Ayuso2011-02-011-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In 135367b "netfilter: xtables: change xt_target.checkentry return type", the type returned by checkentry was changed from boolean to int, but the return values where not adjusted. arptables: Input/output error This broke arptables with the mangle target since it returns true under success, which is interpreted by xtables as >0, thus returning EIO. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
| | * netfilter: xt_iprange: Incorrect xt_iprange boundary check for IPv6Thomas Jacob2011-01-241-9/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | iprange_ipv6_sub was substracting 2 unsigned ints and then casting the result to int to find out whether they are lt, eq or gt each other, this doesn't work if the full 32 bits of each part can be used in IPv6 addresses. Patch should remedy that without significant performance penalties. Also number of ntohl calls can be reduced this way (Jozsef Kadlecsik). Signed-off-by: Thomas Jacob <jacob@internet24.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
| | * netfilter: ctnetlink: fix missing refcount increment during dumpsPablo Neira Ayuso2011-01-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In 13ee6ac netfilter: fix race in conntrack between dump_table and destroy, we recovered spinlocks to protect the dump of the conntrack table according to reports from Stephen and acknowledgments on the issue from Eric. In that patch, the refcount bump that allows to keep a reference to the current ct object was removed. However, we still decrement the refcount for that object in the output path of ctnetlink_dump_table(): if (last) nf_ct_put(last) Cc: Stephen Hemminger <stephen.hemminger@vyatta.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
| * | gro: reset skb_iif on reuseAndy Gospodarek2011-02-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Like Herbert's change from a few days ago: 66c46d741e2e60f0e8b625b80edb0ab820c46d7a gro: Reset dev pointer on reuse this may not be necessary at this point, but we should still clean up the skb->skb_iif. If not we may end up with an invalid valid for skb->skb_iif when the skb is reused and the check is done in __netif_receive_skb. Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | net: Fix ipv6 neighbour unregister_sysctl_table warningEric W. Biederman2011-01-311-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In my testing of 2.6.37 I was occassionally getting a warning about sysctl table entries being unregistered in the wrong order. Digging in it turns out this dates back to the last great sysctl reorg done where Al Viro introduced the requirement that sysctl directories needed to be created before and destroyed after the files in them. It turns out that in that great reorg /proc/sys/net/ipv6/neigh was overlooked. So this patch fixes that oversight and makes an annoying warning message go away. >------------[ cut here ]------------ >WARNING: at kernel/sysctl.c:1992 unregister_sysctl_table+0x134/0x164() >Pid: 23951, comm: kworker/u:3 Not tainted 2.6.37-350888.2010AroraKernelBeta.fc14.x86_64 #1 >Call Trace: > [<ffffffff8103e034>] warn_slowpath_common+0x80/0x98 > [<ffffffff8103e061>] warn_slowpath_null+0x15/0x17 > [<ffffffff810452f8>] unregister_sysctl_table+0x134/0x164 > [<ffffffff810e7834>] ? kfree+0xc4/0xd1 > [<ffffffff813439b2>] neigh_sysctl_unregister+0x22/0x3a > [<ffffffffa02cd14e>] addrconf_ifdown+0x33f/0x37b [ipv6] > [<ffffffff81331ec2>] ? skb_dequeue+0x5f/0x6b > [<ffffffffa02ce4a5>] addrconf_notify+0x69b/0x75c [ipv6] > [<ffffffffa02eb953>] ? ip6mr_device_event+0x98/0xa9 [ipv6] > [<ffffffff813d2413>] notifier_call_chain+0x32/0x5e > [<ffffffff8105bdea>] raw_notifier_call_chain+0xf/0x11 > [<ffffffff8133cdac>] call_netdevice_notifiers+0x45/0x4a > [<ffffffff8133d2b0>] rollback_registered_many+0x118/0x201 > [<ffffffff8133d3af>] unregister_netdevice_many+0x16/0x6d > [<ffffffff8133d571>] default_device_exit_batch+0xa4/0xb8 > [<ffffffff81337c42>] ? cleanup_net+0x0/0x194 > [<ffffffff81337a2a>] ops_exit_list+0x4e/0x56 > [<ffffffff81337d36>] cleanup_net+0xf4/0x194 > [<ffffffff81053318>] process_one_work+0x187/0x280 > [<ffffffff8105441b>] worker_thread+0xff/0x19f > [<ffffffff8105431c>] ? worker_thread+0x0/0x19f > [<ffffffff8105776d>] kthread+0x7d/0x85 > [<ffffffff81003824>] kernel_thread_helper+0x4/0x10 > [<ffffffff810576f0>] ? kthread+0x0/0x85 > [<ffffffff81003820>] ? kernel_thread_helper+0x0/0x10 >---[ end trace 8a7e9310b35e9486 ]--- Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | net: Check rps_flow_table when RPS map length is 1Tom Herbert2011-01-311-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In get_rps_cpu, add check that the rps_flow_table for the device is NULL when trying to take fast path when RPS map length is one. Without this, RFS is effectively disabled if map length is one which is not correct. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | net: Add default_mtu() methods to blackhole dst_opsRoland Dreier2011-01-312-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When an IPSEC SA is still being set up, __xfrm_lookup() will return -EREMOTE and so ip_route_output_flow() will return a blackhole route. This can happen in a sndmsg call, and after d33e455337ea ("net: Abstract default MTU metric calculation behind an accessor.") this leads to a crash in ip_append_data() because the blackhole dst_ops have no default_mtu() method and so dst_mtu() calls a NULL pointer. Fix this by adding default_mtu() methods (that simply return 0, matching the old behavior) to the blackhole dst_ops. The IPv4 part of this patch fixes a crash that I saw when using an IPSEC VPN; the IPv6 part is untested because I don't have an IPv6 VPN, but it looks to be needed as well. Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | Merge branch 'batman-adv/merge-oopsonly' of ↵David S. Miller2011-01-301-6/+8
| |\ \ | | | | | | | | | | | | git://git.open-mesh.org/ecsv/linux-merge
| | * | batman-adv: Make vis info stack traversal threadsafeSven Eckelmann2011-01-301-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The batman-adv vis server has to a stack which stores all information about packets which should be send later. This stack is protected with a spinlock that is used to prevent concurrent write access to it. The send_vis_packets function has to take all elements from the stack and send them to other hosts over the primary interface. The send will be initiated without the lock which protects the stack. The implementation using list_for_each_entry_safe has the problem that it stores the next element as "safe ptr" to allow the deletion of the current element in the list. The list may be modified during the unlock/lock pair in the loop body which may make the safe pointer not pointing to correct next element. It is safer to remove and use the first element from the stack until no elements are available. This does not need reduntant information which would have to be validated each time the lock was removed. Reported-by: Russell Senior <russell@personaltelco.net> Signed-off-by: Sven Eckelmann <sven@narfation.org>
| | * | batman-adv: Remove vis info element in free_infoSven Eckelmann2011-01-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The free_info function will be called when no reference to the info object exists anymore. It must be ensured that the allocated memory gets freed and not only the elements which are managed by the info object. Signed-off-by: Sven Eckelmann <sven@narfation.org>
| | * | batman-adv: Remove vis info on hashing errorsSven Eckelmann2011-01-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A newly created vis info object must be removed when it couldn't be added to the hash. The old_info which has to be replaced was already removed and isn't related to the hash anymore. Signed-off-by: Sven Eckelmann <sven@narfation.org>
| | * | batman-adv: Fix kernel panic when fetching vis data on a vis serverLinus Lüssing2011-01-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The hash_iterate removal introduced a bug leading to a kernel panic when fetching the vis data on a vis server. That commit forgot to rename one variable name, which this commit fixes now. Reported-by: Russell Senior <russell@personaltelco.net> Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Sven Eckelmann <sven@narfation.org>
| * | | net: Add compat ioctl support for the ipv4 multicast ioctl SIOCGETSGCNTEric W. Biederman2011-01-303-0/+81
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SIOCGETSGCNT is not a unique ioctl value as it it maps tio SIOCPROTOPRIVATE +1, which unfortunately means the existing infrastructure for compat networking ioctls is insufficient. A trivial compact ioctl implementation would conflict with: SIOCAX25ADDUID SIOCAIPXPRISLT SIOCGETSGCNT_IN6 SIOCGETSGCNT SIOCRSSCAUSE SIOCX25SSUBSCRIP SIOCX25SDTEFACILITIES To make this work I have updated the compat_ioctl decode path to mirror the the normal ioctl decode path. I have added an ipv4 inet_compat_ioctl function so that I can have ipv4 specific compat ioctls. I have added a compat_ioctl function into struct proto so I can break out ioctls by which kind of ip socket I am using. I have added a compat_raw_ioctl function because SIOCGETSGCNT only works on raw sockets. I have added a ipmr_compat_ioctl that mirrors the normal ipmr_ioctl. This was necessary because unfortunately the struct layout for the SIOCGETSGCNT has unsigned longs in it so changes between 32bit and 64bit kernels. This change was sufficient to run a 32bit ip multicast routing daemon on a 64bit kernel. Reported-by: Bill Fenner <fenner@aristanetworks.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | net: Fix ip link add netns oopsEric W. Biederman2011-01-301-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ed Swierk <eswierk@bigswitch.com> writes: > On 2.6.35.7 > ip link add link eth0 netns 9999 type macvlan > where 9999 is a nonexistent PID triggers an oops and causes all network functions to hang: > [10663.821898] BUG: unable to handle kernel NULL pointer dereference at 000000000000006d > [10663.821917] IP: [<ffffffff8149c2fa>] __dev_alloc_name+0x9a/0x170 > [10663.821933] PGD 1d3927067 PUD 22f5c5067 PMD 0 > [10663.821944] Oops: 0000 [#1] SMP > [10663.821953] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq > [10663.821959] CPU 3 > [10663.821963] Modules linked in: macvlan ip6table_filter ip6_tables rfcomm ipt_MASQUERADE binfmt_misc iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack sco ipt_REJECT bnep l2cap xt_tcpudp iptable_filter ip_tables x_tables bridge stp vboxnetadp vboxnetflt vboxdrv kvm_intel kvm parport_pc ppdev snd_hda_codec_intelhdmi snd_hda_codec_conexant arc4 iwlagn iwlcore mac80211 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi i915 snd_seq_midi_event snd_seq thinkpad_acpi drm_kms_helper btusb tpm_tis nvram uvcvideo snd_timer snd_seq_device bluetooth videodev v4l1_compat v4l2_compat_ioctl32 tpm drm tpm_bios snd cfg80211 psmouse serio_raw intel_ips soundcore snd_page_alloc intel_agp i2c_algo_bit video output netconsole configfs lp parport usbhid hid e1000e sdhci_pci ahci libahci sdhci led_class > [10663.822155] > [10663.822161] Pid: 6000, comm: ip Not tainted 2.6.35-23-generic #41-Ubuntu 2901CTO/2901CTO > [10663.822167] RIP: 0010:[<ffffffff8149c2fa>] [<ffffffff8149c2fa>] __dev_alloc_name+0x9a/0x170 > [10663.822177] RSP: 0018:ffff88014aebf7b8 EFLAGS: 00010286 > [10663.822182] RAX: 00000000fffffff4 RBX: ffff8801ad900800 RCX: 0000000000000000 > [10663.822187] RDX: ffff880000000000 RSI: 0000000000000000 RDI: ffff88014ad63000 > [10663.822191] RBP: ffff88014aebf808 R08: 0000000000000041 R09: 0000000000000041 > [10663.822196] R10: 0000000000000000 R11: dead000000200200 R12: ffff88014aebf818 > [10663.822201] R13: fffffffffffffffd R14: ffff88014aebf918 R15: ffff88014ad62000 > [10663.822207] FS: 00007f00c487f700(0000) GS:ffff880001f80000(0000) knlGS:0000000000000000 > [10663.822212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [10663.822216] CR2: 000000000000006d CR3: 0000000231f19000 CR4: 00000000000026e0 > [10663.822221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [10663.822226] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [10663.822231] Process ip (pid: 6000, threadinfo ffff88014aebe000, task ffff88014afb16e0) > [10663.822236] Stack: > [10663.822240] ffff88014aebf808 ffffffff814a2bb5 ffff88014aebf7e8 00000000a00ee8d6 > [10663.822251] <0> 0000000000000000 ffffffffa00ef940 ffff8801ad900800 ffff88014aebf818 > [10663.822265] <0> ffff88014aebf918 ffff8801ad900800 ffff88014aebf858 ffffffff8149c413 > [10663.822281] Call Trace: > [10663.822290] [<ffffffff814a2bb5>] ? dev_addr_init+0x75/0xb0 > [10663.822298] [<ffffffff8149c413>] dev_alloc_name+0x43/0x90 > [10663.822307] [<ffffffff814a85ee>] rtnl_create_link+0xbe/0x1b0 > [10663.822314] [<ffffffff814ab2aa>] rtnl_newlink+0x48a/0x570 > [10663.822321] [<ffffffff814aafcc>] ? rtnl_newlink+0x1ac/0x570 > [10663.822332] [<ffffffff81030064>] ? native_x2apic_icr_read+0x4/0x20 > [10663.822339] [<ffffffff814a8c17>] rtnetlink_rcv_msg+0x177/0x290 > [10663.822346] [<ffffffff814a8aa0>] ? rtnetlink_rcv_msg+0x0/0x290 > [10663.822354] [<ffffffff814c25d9>] netlink_rcv_skb+0xa9/0xd0 > [10663.822360] [<ffffffff814a8a85>] rtnetlink_rcv+0x25/0x40 > [10663.822367] [<ffffffff814c223e>] netlink_unicast+0x2de/0x2f0 > [10663.822374] [<ffffffff814c303e>] netlink_sendmsg+0x1fe/0x2e0 > [10663.822383] [<ffffffff81488533>] sock_sendmsg+0xf3/0x120 > [10663.822391] [<ffffffff815899fe>] ? _raw_spin_lock+0xe/0x20 > [10663.822400] [<ffffffff81168656>] ? __d_lookup+0x136/0x150 > [10663.822406] [<ffffffff815899fe>] ? _raw_spin_lock+0xe/0x20 > [10663.822414] [<ffffffff812b7a0d>] ? _atomic_dec_and_lock+0x4d/0x80 > [10663.822422] [<ffffffff8116ea90>] ? mntput_no_expire+0x30/0x110 > [10663.822429] [<ffffffff81486ff5>] ? move_addr_to_kernel+0x65/0x70 > [10663.822435] [<ffffffff81493308>] ? verify_iovec+0x88/0xe0 > [10663.822442] [<ffffffff81489020>] sys_sendmsg+0x240/0x3a0 > [10663.822450] [<ffffffff8111e2a9>] ? __do_fault+0x479/0x560 > [10663.822457] [<ffffffff815899fe>] ? _raw_spin_lock+0xe/0x20 > [10663.822465] [<ffffffff8116cf4a>] ? alloc_fd+0x10a/0x150 > [10663.822473] [<ffffffff8158d76e>] ? do_page_fault+0x15e/0x350 > [10663.822482] [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b > [10663.822487] Code: 90 48 8d 78 02 be 25 00 00 00 e8 92 1d e2 ff 48 85 c0 75 cf bf 20 00 00 00 e8 c3 b1 c6 ff 49 89 c7 b8 f4 ff ff ff 4d 85 ff 74 bd <4d> 8b 75 70 49 8d 45 70 48 89 45 b8 49 83 ee 58 eb 28 48 8d 55 > [10663.822618] RIP [<ffffffff8149c2fa>] __dev_alloc_name+0x9a/0x170 > [10663.822627] RSP <ffff88014aebf7b8> > [10663.822631] CR2: 000000000000006d > [10663.822636] ---[ end trace 3dfd6c3ad5327ca7 ]--- This bug was introduced in: commit 81adee47dfb608df3ad0b91d230fb3cef75f0060 Author: Eric W. Biederman <ebiederm@aristanetworks.com> Date: Sun Nov 8 00:53:51 2009 -0800 net: Support specifying the network namespace upon device creation. There is no good reason to not support userspace specifying the network namespace during device creation, and it makes it easier to create a network device and pass it to a child network namespace with a well known name. We have to be careful to ensure that the target network namespace for the new device exists through the life of the call. To keep that logic clear I have factored out the network namespace grabbing logic into rtnl_link_get_net. In addtion we need to continue to pass the source network namespace to the rtnl_link_ops.newlink method so that we can find the base device source network namespace. Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Where apparently I forgot to add error handling to the path where we create a new network device in a new network namespace, and pass in an invalid pid. Cc: stable@kernel.org Reported-by: Ed Swierk <eswierk@bigswitch.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | gro: Reset dev pointer on reuseHerbert Xu2011-01-291-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On older kernels the VLAN code may zero skb->dev before dropping it and causing it to be reused by GRO. Unfortunately we didn't reset skb->dev in that case which causes the next GRO user to get a bogus skb->dev pointer. This particular problem no longer happens with the current upstream kernel due to changes in VLAN processing. However, for correctness we should still reset the skb->dev pointer in the GRO reuse function in case a future user does the same thing. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | ipv6: Remove route peer binding assertions.David S. Miller2011-01-271-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | They are bogus. The basic idea is that I wanted to make sure that prefixed routes never bind to peers. The test I used was whether RTF_CACHE was set. But first of all, the RTF_CACHE flag is set at different spots depending upon which ip6_rt_copy() caller you're talking about. I've validated all of the code paths, and even in the future where we bind peers more aggressively (for route metric COW'ing) we never bind to prefix'd routes, only fully specified ones. This even applies when addrconf or icmp6 routes are allocated. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | net: add kmemcheck annotation in __alloc_skb()Eric Dumazet2011-01-271-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pskb_expand_head() triggers a kmemcheck warning when copy of skb_shared_info is done in pskb_expand_head() This is because destructor_arg field is not necessarily initialized at this point. Add kmemcheck_annotate_variable() call in __alloc_skb() to instruct kmemcheck this is a normal situation. Resolves bugzilla.kernel.org 27212 Reference: https://bugzilla.kernel.org/show_bug.cgi?id=27212 Reported-by: Christian Casteyde <casteyde.christian@free.fr> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | net: fix validate_link_af in rtnetlink coreKurt Van Dijck2011-01-271-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I'm testing an API that uses IFLA_AF_SPEC attribute. In the rtnetlink core , the set_link_af() member of the rtnl_af_ops struct receives the nested attribute (as I expected), but the validate_link_af() member receives the parent attribute. IMO, this patch fixes this. Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | econet: remove compiler warningsEric Dumazet2011-01-271-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | net/econet/af_econet.c: In function ‘econet_sendmsg’: net/econet/af_econet.c:494: warning: label ‘error’ defined but not used net/econet/af_econet.c:268: warning: unused variable ‘sk’ Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Phil Blundell <philb@gnu.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds2011-02-011-3/+1
|\ \ \ \ | |/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: NFSv4 readdir loses entries NFS: Micro-optimize nfs4_decode_dirent() NFS: Fix an NFS client lockdep issue NFS construct consistent co_ownerid for v4.1 NFS: nfs_wcc_update_inode() should set nfsi->attr_gencount NFS improve pnfs_put_deviceid_cache debug print NFS fix cb_sequence error processing NFS do not find client in NFSv4 pg_authenticate NLM: Fix "kernel BUG at fs/lockd/host.c:417!" or ".../host.c:283!" NFS: Prevent memory allocation failure in nfsacl_encode() NFS: nfsacl_{encode,decode} should return signed integer NFS: Fix "kernel BUG at fs/nfs/nfs3xdr.c:1338!" NFS: Fix "kernel BUG at fs/aio.c:554!" NFS4: Avoid potential NULL pointer dereference in decode_and_add_ds(). NFS: fix handling of malloc failure during nfs_flush_multi()
| * | | NFS do not find client in NFSv4 pg_authenticateAndy Adamson2011-01-251-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The information required to find the nfs_client cooresponding to the incoming back channel request is contained in the NFS layer. Perform minimal checking in the RPC layer pg_authenticate method, and push more detailed checking into the NFS layer where the nfs_client can be found. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | | | xfrm6: Don't forget to propagate peer into ipsec route.David S. Miller2011-01-261-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Like ipv4, we have to propagate the ipv6 route peer into the ipsec top-level route during instantiation. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | Merge branch 'master' of ↵David S. Miller2011-01-266-64/+55
|\ \ \ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
| * | | | mac80211: fix a crash in ieee80211_beacon_get_tim on change_interfaceFelix Fietkau2011-01-251-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some drivers (e.g. ath9k) do not always disable beacons when they're supposed to. When an interface is changed using the change_interface op, the mode specific sdata part is in an undefined state and trying to get a beacon at this point can produce weird crashes. To fix this, add a check for ieee80211_sdata_running before using anything from the sdata. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | | Bluetooth: Fix race condition with conn->sec_levelJohan Hedberg2011-01-192-6/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The conn->sec_level value is supposed to represent the current level of security that the connection has. However, by assigning to it before requesting authentication it will have the wrong value during the authentication procedure. To fix this a pending_sec_level variable is added which is used to track the desired security level while making sure that sec_level always represents the current level of security. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * | | | Bluetooth: Fix authentication request for L2CAP raw socketsJohan Hedberg2011-01-191-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When there is an existing connection l2cap_check_security needs to be called to ensure that the security level of the new socket is fulfilled. Normally l2cap_do_start takes care of this, but that function doesn't get called for SOCK_RAW type sockets. This patch adds the necessary l2cap_check_security call to the appropriate branch in l2cap_do_connect. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * | | | Bluetooth: Create a unified auth_type evaluation functionJohan Hedberg2011-01-191-49/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The logic for determining the needed auth_type for an L2CAP socket is rather complicated and has so far been duplicated in l2cap_check_security as well as l2cap_do_connect. Additionally the l2cap_check_security code was completely missing the handling of SOCK_RAW type sockets. This patch creates a unified function for the evaluation and makes l2cap_do_connect and l2cap_check_security use that function. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * | | | Bluetooth: Fix MITM protection requirement preservationJohan Hedberg2011-01-191-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If an existing connection has a MITM protection requirement (the first bit of the auth_type) then that requirement should not be cleared by new sockets that reuse the ACL but don't have that requirement. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * | | | Revert "Bluetooth: Update sec_level/auth_type for already existing connections"Johan Hedberg2011-01-191-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 045309820afe047920a50de25634dab46a1e851d. That commit is wrong for two reasons: - The conn->sec_level shouldn't be updated without performing authentication first (as it's supposed to represent the level of security that the existing connection has) - A higher auth_type value doesn't mean "more secure" like the commit seems to assume. E.g. dedicated bonding with MITM protection is 0x03 whereas general bonding without MITM protection is 0x04. hci_conn_auth already takes care of updating conn->auth_type so hci_connect doesn't need to do it. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * | | | Bluetooth: Never deallocate a session when some DLC points to itLukáš Turek2011-01-191-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a bug introduced in commit 9cf5b0ea3a7f1432c61029f7aaf4b8b338628884: function rfcomm_recv_ua calls rfcomm_session_put without checking that the session is not referenced by some DLC. If the session is freed, that DLC would refer to deallocated memory, causing an oops later, as shown in this bug report: https://bugzilla.kernel.org/show_bug.cgi?id=15994 Signed-off-by: Lukas Turek <8an@praha12.net> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * | | | Bluetooth: Fix leaking blacklist when unregistering a hci deviceJohan Hedberg2011-01-191-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The blacklist should be freed before the hci device gets unregistered. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * | | | Bluetooth: l2cap: fix misuse of logical operation in place of bitopDavid Sterba2011-01-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CC: Marcel Holtmann <marcel@holtmann.org> CC: "Gustavo F. Padovan" <padovan@profusion.mobi> CC: João Paulo Rechi Vita <jprvita@profusion.mobi> Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
* | | | | TCP: fix a bug that triggers large number of TCP RST by mistakeJerry Chu2011-01-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a bug that causes TCP RST packets to be generated on otherwise correctly behaved applications, e.g., no unread data on close,..., etc. To trigger the bug, at least two conditions must be met: 1. The FIN flag is set on the last data packet, i.e., it's not on a separate, FIN only packet. 2. The size of the last data chunk on the receive side matches exactly with the size of buffer posted by the receiver, and the receiver closes the socket without any further read attempt. This bug was first noticed on our netperf based testbed for our IW10 proposal to IETF where a large number of RST packets were observed. netperf's read side code meets the condition 2 above 100%. Before the fix, tcp_data_queue() will queue the last skb that meets condition 1 to sk_receive_queue even though it has fully copied out (skb_copy_datagram_iovec()) the data. Then if condition 2 is also met, tcp_recvmsg() often returns all the copied out data successfully without actually consuming the skb, due to a check "if ((chunk = len - tp->ucopy.len) != 0) {" and "len -= chunk;" after tcp_prequeue_process() that causes "len" to become 0 and an early exit from the big while loop. I don't see any reason not to free the skb whose data have been fully consumed in tcp_data_queue(), regardless of the FIN flag. We won't get there if MSG_PEEK is on. Am I missing some arcane cases related to urgent data? Signed-off-by: H.K. Jerry Chu <hkchu@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | ipv6: Revert 'administrative down' address handling changes.David S. Miller2011-01-251-48/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts the following set of commits: d1ed113f1669390da9898da3beddcc058d938587 ("ipv6: remove duplicate neigh_ifdown") 29ba5fed1bbd09c2cba890798c8f9eaab251401d ("ipv6: don't flush routes when setting loopback down") 9d82ca98f71fd686ef2f3017c5e3e6a4871b6e46 ("ipv6: fix missing in6_ifa_put in addrconf") 2de795707294972f6c34bae9de713e502c431296 ("ipv6: addrconf: don't remove address state on ifdown if the address is being kept") 8595805aafc8b077e01804c9a3668e9aa3510e89 ("IPv6: only notify protocols if address is compeletely gone") 27bdb2abcc5edb3526e25407b74bf17d1872c329 ("IPv6: keep tentative addresses in hash table") 93fa159abe50d3c55c7f83622d3f5c09b6e06f4b ("IPv6: keep route for tentative address") 8f37ada5b5f6bfb4d251a7f510f249cb855b77b3 ("IPv6: fix race between cleanup and add/delete address") 84e8b803f1e16f3a2b8b80f80a63fa2f2f8a9be6 ("IPv6: addrconf notify when address is unavailable") dc2b99f71ef477a31020511876ab4403fb7c4420 ("IPv6: keep permanent addresses on admin down") because the core semantic change to ipv6 address handling on ifdown has broken some things, in particular "disable_ipv6" sysctl handling. Stephen has made several attempts to get things back in working order, but nothing has restored disable_ipv6 fully yet. Reported-by: Eric W. Biederman <ebiederm@xmission.com> Tested-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | net: clear heap allocation for ethtool_get_regs()Eugene Teo2011-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is a conflict between commit b00916b1 and a77f5db3. This patch resolves the conflict by clearing the heap allocation in ethtool_get_regs(). Cc: stable@kernel.org Signed-off-by: Eugene Teo <eugeneteo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | ipv6: Always clone offlink routes.David S. Miller2011-01-241-8/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Do not handle PMTU vs. route lookup creation any differently wrt. offlink routes, always clone them. Reported-by: PK <runningdoglackey@yahoo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | dcbnl: make get_app handling symmetric for IEEE and CEE DCBxJohn Fastabend2011-01-241-2/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The IEEE get/set app handlers use generic routines and do not require the net_device to implement the dcbnl_ops routines. This patch makes it symmetric so user space and drivers do not have to handle the CEE version and IEEE DCBx versions differently. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | tcp: fix bug in listening_get_next()Eric Dumazet2011-01-241-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit a8b690f98baf9fb19 (tcp: Fix slowness in read /proc/net/tcp) introduced a bug in handling of SYN_RECV sockets. st->offset represents number of sockets found since beginning of listening_hash[st->bucket]. We should not reset st->offset when iterating through syn_table[st->sbucket], or else if more than ~25 sockets (if PAGE_SIZE=4096) are in SYN_RECV state, we exit from listening_get_next() with a too small st->offset Next time we enter tcp_seek_last_pos(), we are not able to seek past already found sockets. Reported-by: PK <runningdoglackey@yahoo.com> CC: Tom Herbert <therbert@google.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | inetpeer: Use correct AVL tree base pointer in inet_getpeer().David S. Miller2011-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Family was hard-coded to AF_INET but should be daddr->family. This fixes crashes when unlinking ipv6 peer entries, since the unlink code was looking up the base pointer properly. Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | GRO: fix merging a paged skb after non-paged skbsMichal Schmidt2011-01-241-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Suppose that several linear skbs of the same flow were received by GRO. They were thus merged into one skb with a frag_list. Then a new skb of the same flow arrives, but it is a paged skb with data starting in its frags[]. Before adding the skb to the frag_list skb_gro_receive() will of course adjust the skb to throw away the headers. It correctly modifies the page_offset and size of the frag, but it leaves incorrect information in the skb: ->data_len is not decreased at all. ->len is decreased only by headlen, as if no change were done to the frag. Later in a receiving process this causes skb_copy_datagram_iovec() to return -EFAULT and this is seen in userspace as the result of the recv() syscall. In practice the bug can be reproduced with the sfc driver. By default the driver uses an adaptive scheme when it switches between using napi_gro_receive() (with skbs) and napi_gro_frags() (with pages). The bug is reproduced when under rx load with enough successful GRO merging the driver decides to switch from the former to the latter. Manual control is also possible, so reproducing this is easy with netcat: - on machine1 (with sfc): nc -l 12345 > /dev/null - on machine2: nc machine1 12345 < /dev/zero - on machine1: echo 1 > /sys/module/sfc/parameters/rx_alloc_method # use skbs echo 2 > /sys/module/sfc/parameters/rx_alloc_method # use pages - See that nc has quit suddenly. [v2: Modified by Eric Dumazet to avoid advancing skb->data past the end and to use a temporary variable.] Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | Merge branch 'master' of ↵David S. Miller2011-01-2436-381/+544
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
| * | | | | module: fix missing semicolons in MODULE macro usageRusty Russell2011-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | You always needed them when you were a module, but the builtin versions of the macros used to be more lenient. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| * | | | | kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERTDavid Rientjes2011-01-203-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The meaning of CONFIG_EMBEDDED has long since been obsoleted; the option is used to configure any non-standard kernel with a much larger scope than only small devices. This patch renames the option to CONFIG_EXPERT in init/Kconfig and fixes references to the option throughout the kernel. A new CONFIG_EMBEDDED option is added that automatically selects CONFIG_EXPERT when enabled and can be used in the future to isolate options that should only be considered for embedded systems (RISC architectures, SLOB, etc). Calling the option "EXPERT" more accurately represents its intention: only expert users who understand the impact of the configuration changes they are making should enable it. Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: David Woodhouse <david.woodhouse@intel.com> Signed-off-by: David Rientjes <rientjes@google.com> Cc: Greg KH <gregkh@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jens Axboe <axboe@kernel.dk> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Robin Holt <holt@sgi.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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