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2009-04-10RDS: use get_user_pages_fast()Andy Grover2-8/+2
Use the new function that is simpler and faster. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-10RDS: Establish connection before parsing CMSGsAndy Grover1-5/+5
The first message to a remote node should prompt a new connection. Even an RDMA op via CMSG. Therefore move CMSG parsing to after connection establishment. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-10RDS: Fix ordering in a conditionalAndy Grover1-1/+1
Putting the constant first is a supposed "best practice" that actually makes the code harder to read. Thanks to Roland Dreier for finding a bug in this "simple, obviously correct" patch. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-10RDS/IW+IB: Allow max credit advertise window.Steve Wise7-13/+13
Fix hack that restricts the credit advertisement to 127. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-10RDS/IW+IB: Set the RDS_LL_SEND_FULL bit when we're throttled.Steve Wise2-2/+2
The RDS_LL_SEND_FULL bit should be set when we stop transmitted due to flow control. Otherwise the send worker will keep trying as opposed to sleeping until we unthrottle. Saves CPU. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-10RDS: Correct some iw references in rdma_transport.cAndy Grover1-6/+6
Had some lingering instances of _iw_ variable names from when the listen code was centralized into rdma_transport.c Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-10RDS/IW+IB: Set recv ring low water mark to 1/2 full.Steve Wise2-2/+2
Currently the recv ring low water mark is 1/4 the depth. Performance measurements show that this limits iWARP throughput by flow controlling the rds-stress senders. Setting it to 1/2 seems to max the T3 performance. I tried even higher levels but that didn't help and it started to increase the rds thread cpu utilization. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds3-4/+5
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: b44: Use kernel DMA addresses for the kernel DMA API forcedeth: Fix resume from hibernation regression. xfrm: fix fragmentation on inter family tunnels ibm_newemac: Fix dangerous struct assumption gigaset: documentation update gigaset: in file ops, check for device disconnect before anything else bas_gigaset: use tasklet_hi_schedule for timing critical tasklets net/802/fddi.c: add MODULE_LICENSE smsc911x: remove unused #include <linux/version.h> axnet_cs: fix phy_id detection for bogus Asix chip. bnx2: Use request_firmware() b44: Fix sizes passed to b44_sync_dma_desc_for_{device,cpu}() socket: use percpu_add() while updating sockets_in_use virtio_net: Set the mac config only when VIRITO_NET_F_MAC myri_sbus: use request_firmware e1000: fix loss of multicast packets vxge: should include tcp.h Conflict in firmware/WHENCE (SCSI vs net firmware)
2009-04-07xfrm: fix fragmentation on inter family tunnelsSteffen Klassert1-0/+1
If an ipv4 packet (not locally generated with IP_DF flag not set) bigger than mtu size is supposed to go via a xfrm ipv6 tunnel, the packetsize check in xfrm4_tunnel_check_size() is omited and ipv6 drops the packet without sending a notice to the original sender of the ipv4 packet. Another issue is that ipv4 connection tracking does reassembling of incomming fragmented packets. If such a reassembled packet is supposed to go via a xfrm ipv6 tunnel it will be droped, even if the original sender did proper fragmentation. According to RFC 2473 (section 7) tunnel ipv6 packets resulting from the encapsulation of an original packet are considered as locally generated packets. If such a packet passed the checks in xfrm{4,6}_tunnel_check_size() fragmentation is allowed according to RFC 2473 (section 7.1/7.2). This patch sets skb->local_df in xfrm6_prepare_output() to achieve fragmentation in this case. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-07net/802/fddi.c: add MODULE_LICENSEAdrian Bunk1-0/+2
This patch adds the missing MODULE_LICENSE("GPL"). Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-07Merge branch 'for-2.6.30' of git://linux-nfs.org/~bfields/linuxLinus Torvalds3-38/+127
* 'for-2.6.30' of git://linux-nfs.org/~bfields/linux: (81 commits) nfsd41: define nfsd4_set_statp as noop for !CONFIG_NFSD_V4 nfsd41: define NFSD_DRC_SIZE_SHIFT in set_max_drc nfsd41: Documentation/filesystems/nfs41-server.txt nfsd41: CREATE_EXCLUSIVE4_1 nfsd41: SUPPATTR_EXCLCREAT attribute nfsd41: support for 3-word long attribute bitmask nfsd: dynamically skip encoded fattr bitmap in _nfsd4_verify nfsd41: pass writable attrs mask to nfsd4_decode_fattr nfsd41: provide support for minor version 1 at rpc level nfsd41: control nfsv4.1 svc via /proc/fs/nfsd/versions nfsd41: add OPEN4_SHARE_ACCESS_WANT nfs4_stateid bmap nfsd41: access_valid nfsd41: clientid handling nfsd41: check encode size for sessions maxresponse cached nfsd41: stateid handling nfsd: pass nfsd4_compound_state* to nfs4_preprocess_{state,seq}id_op nfsd41: destroy_session operation nfsd41: non-page DRC for solo sequence responses nfsd41: Add a create session replay cache nfsd41: create_session operation ...
2009-04-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumaskLinus Torvalds1-2/+1
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask: (36 commits) cpumask: remove cpumask allocation from idle_balance, fix numa, cpumask: move numa_node_id default implementation to topology.h, fix cpumask: remove cpumask allocation from idle_balance x86: cpumask: x86 mmio-mod.c use cpumask_var_t for downed_cpus x86: cpumask: update 32-bit APM not to mug current->cpus_allowed x86: microcode: cleanup x86: cpumask: use work_on_cpu in arch/x86/kernel/microcode_core.c cpumask: fix CONFIG_CPUMASK_OFFSTACK=y cpu hotunplug crash numa, cpumask: move numa_node_id default implementation to topology.h cpumask: convert node_to_cpumask_map[] to cpumask_var_t cpumask: remove x86 cpumask_t uses. cpumask: use cpumask_var_t in uv_flush_tlb_others. cpumask: remove cpumask_t assignment from vector_allocation_domain() cpumask: make Xen use the new operators. cpumask: clean up summit's send_IPI functions cpumask: use new cpumask functions throughout x86 x86: unify cpu_callin_mask/cpu_callout_mask/cpu_initialized_mask/cpu_sibling_setup_mask cpumask: convert struct cpuinfo_x86's llc_shared_map to cpumask_var_t cpumask: convert node_to_cpumask_map[] to cpumask_var_t x86: unify 32 and 64-bit node_to_cpumask_map ...
2009-04-05socket: use percpu_add() while updating sockets_in_useEric Dumazet1-4/+2
sock_alloc() currently uses following code to update sockets_in_use get_cpu_var(sockets_in_use)++; put_cpu_var(sockets_in_use); This translates to : c0436274: b8 01 00 00 00 mov $0x1,%eax c0436279: e8 42 40 df ff call c022a2c0 <add_preempt_count> c043627e: bb 20 4f 6a c0 mov $0xc06a4f20,%ebx c0436283: e8 18 ca f0 ff call c0342ca0 <debug_smp_processor_id> c0436288: 03 1c 85 60 4a 65 c0 add -0x3f9ab5a0(,%eax,4),%ebx c043628f: ff 03 incl (%ebx) c0436291: b8 01 00 00 00 mov $0x1,%eax c0436296: e8 75 3f df ff call c022a210 <sub_preempt_count> c043629b: 89 e0 mov %esp,%eax c043629d: 25 00 e0 ff ff and $0xffffe000,%eax c04362a2: f6 40 08 08 testb $0x8,0x8(%eax) c04362a6: 75 07 jne c04362af <sock_alloc+0x7f> c04362a8: 8d 46 d8 lea -0x28(%esi),%eax c04362ab: 5b pop %ebx c04362ac: 5e pop %esi c04362ad: c9 leave c04362ae: c3 ret c04362af: e8 cc 5d 09 00 call c04cc080 <preempt_schedule> c04362b4: 8d 74 26 00 lea 0x0(%esi,%eiz,1),%esi c04362b8: eb ee jmp c04362a8 <sock_alloc+0x78> While percpu_add(sockets_in_use, 1) translates to a single instruction : c0436275: 64 83 05 20 5f 6a c0 addl $0x1,%fs:0xc06a5f20 Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-04nfsd: don't use the deferral service, return NFS4ERR_DELAYAndy Adamson2-1/+3
On an NFSv4.1 server cache miss that causes an upcall, NFS4ERR_DELAY will be returned. It is up to the NFSv4.1 client to resend only the operations that have not been processed. Initialize rq_usedeferral to 1 in svc_process(). It sill be turned off in nfsd4_proc_compound() only when NFSv4.1 Sessions are used. Note: this isn't an adequate solution on its own. It's acceptable as a way to get some minimal 4.1 up and working, but we're going to have to find a way to avoid returning DELAY in all common cases before 4.1 can really be considered ready. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> [nfsd41: reverse rq_nodeferral negative logic] Signed-off-by: Benny Halevy <bhalevy@panasas.com> [sunrpc: initialize rq_usedeferral] Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2009-04-04Merge branch 'for-linus' of ↵Linus Torvalds7-15/+15
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (28 commits) trivial: Update my email address trivial: NULL noise: drivers/mtd/tests/mtd_*test.c trivial: NULL noise: drivers/media/dvb/frontends/drx397xD_fw.h trivial: Fix misspelling of "Celsius". trivial: remove unused variable 'path' in alloc_file() trivial: fix a pdlfush -> pdflush typo in comment trivial: jbd header comment typo fix for JBD_PARANOID_IOFAIL trivial: wusb: Storage class should be before const qualifier trivial: drivers/char/bsr.c: Storage class should be before const qualifier trivial: h8300: Storage class should be before const qualifier trivial: fix where cgroup documentation is not correctly referred to trivial: Give the right path in Documentation example trivial: MTD: remove EOL from MODULE_DESCRIPTION trivial: Fix typo in bio_split()'s documentation trivial: PWM: fix of #endif comment trivial: fix typos/grammar errors in Kconfig texts trivial: Fix misspelling of firmware trivial: cgroups: documentation typo and spelling corrections trivial: Update contact info for Jochen Hein trivial: fix typo "resgister" -> "register" ...
2009-04-03Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: Remove two unneeded exports and make two symbols static in fs/mpage.c Cleanup after commit 585d3bc06f4ca57f975a5a1f698f65a45ea66225 Trim includes of fdtable.h Don't crap into descriptor table in binfmt_som Trim includes in binfmt_elf Don't mess with descriptor table in load_elf_binary() Get rid of indirect include of fs_struct.h New helper - current_umask() check_unsafe_exec() doesn't care about signal handlers sharing New locking/refcounting for fs_struct Take fs_struct handling to new file (fs/fs_struct.c) Get rid of bumping fs_struct refcount in pivot_root(2) Kill unsharing fs_struct in __set_personality()
2009-04-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds19-158/+264
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (54 commits) glge: remove unused #include <version.h> dnet: remove unused #include <version.h> tcp: miscounts due to tcp_fragment pcount reset tcp: add helper for counter tweaking due mid-wq change hso: fix for the 'invalid frame length' messages hso: fix for crash when unplugging the device fsl_pq_mdio: Fix compile failure fsl_pq_mdio: Revive UCC MDIO support ucc_geth: Pass proper device to DMA routines, otherwise oops happens i.MX31: Fixing cs89x0 network building to i.MX31ADS tc35815: Fix build error if NAPI enabled hso: add Vendor/Product ID's for new devices ucc_geth: Remove unused header gianfar: Remove unused header kaweth: Fix locking to be SMP-safe net: allow multiple dev per napi with GRO r8169: reset IntrStatus after chip reset ixgbe: Fix potential memory leak/driver panic issue while setting up Tx & Rx ring parameters ixgbe: fix ethtool -A|a behavior ixgbe: Patch to fix driver panic while freeing up tx & rx resources ...
2009-04-03tcp: miscounts due to tcp_fragment pcount resetIlpo Järvinen1-1/+6
It seems that trivial reset of pcount to one was not sufficient in tcp_retransmit_skb. Multiple counters experience a positive miscount when skb's pcount gets lowered without the necessary adjustments (depending on skb's sacked bits which exactly), at worst a packets_out miscount can crash at RTO if the write queue is empty! Triggering this requires mss change, so bidir tcp or mtu probe or like. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de> Tested-by: Uwe Bugla <uwe.bugla@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-03tcp: add helper for counter tweaking due mid-wq changeIlpo Järvinen1-32/+34
We need full-scale adjustment to fix a TCP miscount in the next patch, so just move it into a helper and call for that from the other places. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-02net: allow multiple dev per napi with GROStephen Hemminger1-2/+3
GRO assumes that there is a one-to-one relationship between NAPI structure and network device. Some devices like sky2 share multiple devices on a single interrupt so only have one NAPI handler. Rather than split GRO from NAPI, just have GRO assume if device changes that it is a different flow. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-02netfilter: use rcu_read_bh() in ipt_do_table()Eric Dumazet3-6/+6
Commit 784544739a25c30637397ace5489eeb6e15d7d49 (netfilter: iptables: lock free counters) forgot to disable BH in arpt_do_table(), ipt_do_table() and ip6t_do_table() Use rcu_read_lock_bh() instead of rcu_read_lock() cures the problem. Reported-and-bisected-by: Roman Mindalev <r000n@r000n.net> Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Acked-by: Patrick McHardy <kaber@trash.net> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-02RDS: Use spinlock to protect 64b value update on 32b archsAndy Grover7-24/+100
We have a 64bit value that needs to be set atomically. This is easy and quick on all 64bit archs, and can also be done on x86/32 with set_64bit() (uses cmpxchg8b). However other 32b archs don't have this. I actually changed this to the current state in preparation for mainline because the old way (using a spinlock on 32b) resulted in unsightly #ifdefs in the code. But obviously, being correct takes precedence. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-02RDS: Rewrite connection cleanup, fixing oops on rmmodAndy Grover8-85/+109
This fixes a bug where a connection was unexpectedly not on *any* list while being destroyed. It also cleans up some code duplication and regularizes some function names. * Grab appropriate lock in conn_free() and explain in comment * Ensure via locking that a conn is never not on either a dev's list or the nodev list * Add rds_xx_remove_conn() to match rds_xx_add_conn() * Make rds_xx_add_conn() return void * Rename remove_{,nodev_}conns() to destroy_{,nodev_}conns() and unify their implementation in a helper function * Document lock ordering as nodev conn_lock before dev_conn_lock Reported-by: Yosef Etigin <yosefe@voltaire.com> Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-02RDS: Fix m_rs_lock deadlockAndy Grover1-3/+3
rs_send_drop_to() is called during socket close. If it takes m_rs_lock without disabling interrupts, then rds_send_remove_from_sock() can run from the rx completion handler and thus deadlock. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-01Merge branch 'devel' into for-linusTrond Myklebust10-383/+505
2009-04-01SUNRPC: Ensure IPV6_V6ONLY is set on the socket before binding to a portTrond Myklebust1-12/+24
Also ensure that we use the protocol family instead of the address family when calling sock_create_kern(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2009-04-01epoll keyed wakeups: make sockets use keyed wakeupsDavide Libenzi1-3/+5
Add support for event-aware wakeups to the sockets code. Events are delivered to the wakeup target, so that epoll can avoid spurious wakeups for non-interesting events. Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: William Lee Irwin III <wli@movementarian.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01proc tty: remove struct tty_operations::read_procAlexey Dobriyan1-6/+0
struct tty_operations::proc_fops took it's place and there is one less create_proc_read_entry() user now! Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01proc tty: switch ircomm to ->proc_fopsAlexey Dobriyan1-118/+138
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01New helper - current_umask()Al Viro1-1/+1
current->fs->umask is what most of fs_struct users are doing. Put that into a helper function. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-04-01core: remove pointless conditional before kfree()Wei Yongjun1-2/+1
Remove pointless conditional before kfree(). Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-01ipv4: remove unused parameter from tcp_recv_urg().Rami Rosen1-3/+2
Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-31Merge branch 'cpumask-for-linus' of ↵Rusty Russell1-2/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip Conflicts: arch/x86/include/asm/topology.h drivers/oprofile/buffer_sync.c (Both cases: changed in Linus' tree, removed in Ingo's).
2009-03-31Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds4-26/+33
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: wireless: remove duplicated .ndo_set_mac_address netfilter: xtables: fix IPv6 dependency in the cluster match tg3: Add GRO support. niu: Add GRO support. ucc_geth: Fix use-after-of_node_put() in ucc_geth_probe(). gianfar: Fix use-after-of_node_put() in gfar_of_init(). kernel: remove HIPQUAD() netpoll: store local and remote ip in net-endian netfilter: fix endian bug in conntrack printks dmascc: fix incomplete conversion to network_device_ops gso: Fix support for linear packets skbuff.h: fix missing kernel-doc ni5010: convert to net_device_ops
2009-03-31Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumaskLinus Torvalds1-1/+1
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask: oprofile: Thou shalt not call __exit functions from __init functions cpumask: remove the now-obsoleted pcibus_to_cpumask(): generic cpumask: remove cpumask_t from core cpumask: convert rcutorture.c cpumask: use new cpumask_ functions in core code. cpumask: remove references to struct irqaction's mask field. cpumask: use mm_cpumask() wrapper: kernel/fork.c cpumask: use set_cpu_active in init/main.c cpumask: remove node_to_first_cpu cpumask: fix seq_bitmap_*() functions. cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL
2009-03-31Merge branch 'linus' into cpumask-for-linusIngo Molnar350-8195/+31016
Conflicts: arch/x86/kernel/cpu/common.c
2009-03-31proc 2/2: remove struct proc_dir_entry::ownerAlexey Dobriyan11-30/+4
Setting ->owner as done currently (pde->owner = THIS_MODULE) is racy as correctly noted at bug #12454. Someone can lookup entry with NULL ->owner, thus not pinning enything, and release it later resulting in module refcount underflow. We can keep ->owner and supply it at registration time like ->proc_fops and ->data. But this leaves ->owner as easy-manipulative field (just one C assignment) and somebody will forget to unpin previous/pin current module when switching ->owner. ->proc_fops is declared as "const" which should give some thoughts. ->read_proc/->write_proc were just fixed to not require ->owner for protection. rmmod'ed directories will be empty and return "." and ".." -- no harm. And directories with tricky enough readdir and lookup shouldn't be modular. We definitely don't want such modular code. Removing ->owner will also make PDE smaller. So, let's nuke it. Kudos to Jeff Layton for reminding about this, let's say, oversight. http://bugzilla.kernel.org/show_bug.cgi?id=12454 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
2009-03-30trivial: fix typos/grammar errors in Kconfig textsMatt LaPlante7-15/+15
Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-03-30cpumask: use new cpumask_ functions in core code.Rusty Russell1-1/+1
Impact: cleanup Time to clean up remaining laggards using the old cpu_ functions. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Trond.Myklebust@netapp.com
2009-03-30netfilter: xtables: fix IPv6 dependency in the cluster matchPablo Neira Ayuso1-2/+9
This patch fixes a dependency with IPv6: ERROR: "__ipv6_addr_type" [net/netfilter/xt_cluster.ko] undefined! This patch adds a function that checks if the higher bits of the address is 0xFF to identify a multicast address, instead of adding a dependency due to __ipv6_addr_type(). I came up with this idea after Patrick McHardy pointed possible problems with runtime module dependencies. Reported-by: Steven Noonan <steven@uplinklabs.net> Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Reported-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-29Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller5-6/+8
2009-03-29netpoll: store local and remote ip in net-endianHarvey Harrison1-16/+15
Allows for the removal of byteswapping in some places and the removal of HIPQUAD (replaced by %pI4). Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-29netfilter: fix endian bug in conntrack printksHarvey Harrison1-7/+8
dcc_ip is treated as a host-endian value in the first printk, but the second printk uses %pI4 which expects a be32. This will cause a mismatch between the debug statement and the warning statement. Treat as a be32 throughout and avoid some byteswapping during some comparisions, and allow another user of HIPQUAD to bite the dust. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-29gso: Fix support for linear packetsHerbert Xu1-1/+1
When GRO/frag_list support was added to GSO, I made an error which broke the support for segmenting linear GSO packets (GSO packets are normally non-linear in the payload). These days most of these packets are constructed by the tun driver, which prefers to allocate linear memory if possible. This is fixed in the latest kernel, but for 2.6.29 and earlier it is still the norm. Therefore this bug causes failures with GSO when used with tun in 2.6.29. Reported-by: James Huang <jamesclhuang@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-29Merge branch 'for-linus' of ↵Linus Torvalds5-41/+272
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: smack: Add a new '-CIPSO' option to the network address label configuration netlabel: Cleanup the Smack/NetLabel code to fix incoming TCP connections lsm: Remove the socket_post_accept() hook selinux: Remove the "compat_net" compatibility code netlabel: Label incoming TCP connections correctly in SELinux lsm: Relocate the IPv4 security_inet_conn_request() hooks TOMOYO: Fix a typo. smack: convert smack to standard linux lists
2009-03-28Merge branch 'percpu-cpumask-x86-for-linus-2' of ↵Linus Torvalds2-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'percpu-cpumask-x86-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (682 commits) percpu: fix spurious alignment WARN in legacy SMP percpu allocator percpu: generalize embedding first chunk setup helper percpu: more flexibility for @dyn_size of pcpu_setup_first_chunk() percpu: make x86 addr <-> pcpu ptr conversion macros generic linker script: define __per_cpu_load on all SMP capable archs x86: UV: remove uv_flush_tlb_others() WARN_ON percpu: finer grained locking to break deadlock and allow atomic free percpu: move fully free chunk reclamation into a work percpu: move chunk area map extension out of area allocation percpu: replace pcpu_realloc() with pcpu_mem_alloc() and pcpu_mem_free() x86, percpu: setup reserved percpu area for x86_64 percpu, module: implement reserved allocation and use it for module percpu variables percpu: add an indirection ptr for chunk page map access x86: make embedding percpu allocator return excessive free space percpu: use negative for auto for pcpu_setup_first_chunk() arguments percpu: improve first chunk initial area map handling percpu: cosmetic renames in pcpu_setup_first_chunk() percpu: clean up percpu constants x86: un-__init fill_pud/pmd/pte x86: remove vestigial fix_ioremap prototypes ... Manually merge conflicts in arch/ia64/kernel/irq_ia64.c
2009-03-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds1-1/+3
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (119 commits) [SCSI] scsi_dh_rdac: Retry for NOT_READY check condition [SCSI] mpt2sas: make global symbols unique [SCSI] sd: Make revalidate less chatty [SCSI] sd: Try READ CAPACITY 16 first for SBC-2 devices [SCSI] sd: Refactor sd_read_capacity() [SCSI] mpt2sas v00.100.11.15 [SCSI] mpt2sas: add MPT2SAS_MINOR(221) to miscdevice.h [SCSI] ch: Add scsi type modalias [SCSI] 3w-9xxx: add power management support [SCSI] bsg: add linux/types.h include to bsg.h [SCSI] cxgb3i: fix function descriptions [SCSI] libiscsi: fix possbile null ptr session command cleanup [SCSI] iscsi class: remove host no argument from session creation callout [SCSI] libiscsi: pass session failure a session struct [SCSI] iscsi lib: remove qdepth param from iscsi host allocation [SCSI] iscsi lib: have lib create work queue for transmitting IO [SCSI] iscsi class: fix lock dep warning on logout [SCSI] libiscsi: don't cap queue depth in iscsi modules [SCSI] iscsi_tcp: replace scsi_debug/tcp_debug logging with iscsi conn logging [SCSI] libiscsi_tcp: replace tcp_debug/scsi_debug logging with session/conn logging ...
2009-03-28SUNRPC: Remove CONFIG_SUNRPC_REGISTER_V4Chuck Lever1-22/+0
We just augmented the kernel's RPC service registration code so that it automatically adjusts to what is supported in user space. Thus we no longer need the kernel configuration option to enable registering RPC services with v4 -- it's all done automatically. This patch is part of a series that addresses http://bugzilla.kernel.org/show_bug.cgi?id=12256 Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2009-03-28SUNRPC: rpcb_register() should handle errors silentlyChuck Lever2-8/+12
Move error reporting for RPC registration to rpcb_register's caller. This way the caller can choose to recover silently from certain errors, but report errors it does not recognize. Error reporting for kernel RPC service registration is now handled in one place. This patch is part of a series that addresses http://bugzilla.kernel.org/show_bug.cgi?id=12256 Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2009-03-28SUNRPC: Simplify kernel RPC service registrationChuck Lever1-45/+34
The kernel registers RPC services with the local portmapper with an rpcbind SET upcall to the local portmapper. Traditionally, this used rpcbind v2 (PMAP), but registering RPC services that support IPv6 requires rpcbind v3 or v4. Since we now want separate PF_INET and PF_INET6 listeners for each kernel RPC service, svc_register() will do only one of those registrations at a time. For PF_INET, it tries an rpcb v4 SET upcall first; if that fails, it does a legacy portmap SET. This makes it entirely backwards compatible with legacy user space, but allows a proper v4 SET to be used if rpcbind is available. For PF_INET6, it does an rpcb v4 SET upcall. If that fails, it fails the registration, and thus the transport creation. This let's the kernel detect if user space is able to support IPv6 RPC services, and thus whether it should maintain a PF_INET6 listener for each service at all. This provides complete backwards compatibilty with legacy user space that only supports rpcbind v2. The only down-side is that registering a new kernel RPC service may take an extra exchange with the local portmapper on legacy systems, but this is an infrequent operation and is done over UDP (no lingering sockets in TIMEWAIT), so it shouldn't be consequential. This patch is part of a series that addresses http://bugzilla.kernel.org/show_bug.cgi?id=12256 Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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