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2008-06-10Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/tg3.c drivers/net/wireless/rt2x00/rt2x00dev.c net/mac80211/ieee80211_i.h
2008-06-10Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-next-2.6 Conflicts: drivers/net/ps3_gelic_wireless.c drivers/net/wireless/libertas/main.c
2008-06-09netfilter: ip6_tables: add ip6tables security tableJames Morris
This is a port of the IPv4 security table for IPv6. Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-09netfilter: ip_tables: add iptables security table for mandatory access ↵James Morris
control rules The following patch implements a new "security" table for iptables, so that MAC (SELinux etc.) networking rules can be managed separately to standard DAC rules. This is to help with distro integration of the new secmark-based network controls, per various previous discussions. The need for a separate table arises from the fact that existing tools and usage of iptables will likely clash with centralized MAC policy management. The SECMARK and CONNSECMARK targets will still be valid in the mangle table to prevent breakage of existing users. Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-09netfilter: ctnetlink: add full support for SCTP to ctnetlinkPablo Neira Ayuso
This patch adds full support for SCTP to ctnetlink. This includes three new attributes: state, original vtag and reply vtag. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-09netfilter: ebtables: add IPv6 supportKuo-lang Tseng
It implements matching functions for IPv6 address & traffic class (merged from the patch sent by Jan Engelhardt [jengelh@computergmbh.de] http://marc.info/?l=netfilter-devel&m=120182168424052&w=2), protocol, and layer-4 port id. Corresponding watcher logging function is also added for IPv6. Signed-off-by: Kuo-lang Tseng <kuo-lang.tseng@intel.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-09include/linux/ssb/ssb_driver_gige.h typo fixAdrian Bunk
This patch fixes a typo in the name of a config variable. Reported-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Adrian Bunk <bunk@kernel.org> Reviewed-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-05netlink: Remove nonblock parameter from netlink_attachskbDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-03route: Remove unused ifa_anycast fieldThomas Graf
The field was supposed to allow the creation of an anycast route by assigning an anycast address to an address prefix. It was never implemented so this field is unused and serves no purpose. Remove it. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-03route: Mark unused routing attributes as suchThomas Graf
Also removes an unused policy entry for an attribute which is only used in kernel->user direction. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-03route: Mark unused route cache flags as such.Thomas Graf
Also removes an obsolete check for the unused flag RTCF_MASQ. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-03WEXT: Add support for passing PMK and capability flags to WEXTMasakazu Mokuno
This defines the flags for setting the PMK to the driver and the capability flag for this so that the user space program can figure out whether the target driver wants to do 4-way hand shake by itself and pass the PMK which is needed before 4-way handshake to the driver. Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-03mac80211: allow disable FAT in specific configurationsEmmanuel Grumbach
This patch allows to disable FAT channel in specific configurations. For example the configuration (8, +1), (primary channel 8, extension channel 12) isn't permitted in U.S., but (8, -1), (primary channel 8, extension channel 4) is. When FAT channel configuration is not permitted, FAT channel should be reported as not supported in the capabilities of the HT IE in association request. And sssociation is performed on 20Mhz channel. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-02mmc_spi: mmc_spi.h should include linux/interrupts.hAnton Vorontsov
Since mmc_spi.h uses irqreturn_t type, it should include appropriate header, otherwise build will break if users didn't include it (some of them do not use interrupts). Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-30Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: lguest: notify on empty virtio: force callback on empty. virtio_blk: fix endianess annotations virtio_config: fix len calculation of config elements virtio_net: another race with virtio_net and enable_cb virtio: An entropy device, as suggested by hpa. virtio_blk: allow read-only disks lguest: fix ugly <NULL> in /proc/interrupts virtio: set device index in common code. virtio: virtio_pci should not set bus_id. virtio: bus_id for devices should contain 'virtio' Fix crash in virtio_blk during modprobe ; rmmod ; modprobe lguest: use ioremap_cache, not ioremap
2008-05-30Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: rename SW_RADIO to SW_RFKILL_ALL Input: gtco - fix double kfree in error handling path Input: pxa27x_keypad - miscellaneous fixes Input: atkbd - mark keyboard as disabled when suspending/unloading Input: apanel - remove duplicate include Input: wm9713 - support five wire panels Input: wm97xx-core - fix race on PHY init Input: wm97xx-core - fix driver name Input: wm97xx-core - report a phys for WM97xx touchscreens Input: i8042 - make sure Dritek quirk is invoked at resume Input: i8042 - add Dritek quirk for Acer TravelMate 660
2008-05-30Input: rename SW_RADIO to SW_RFKILL_ALLHenrique de Moraes Holschuh
The SW_RADIO code for EV_SW events has a name that is not descriptive enough of its intended function, and could induce someone to think KEY_RADIO is its EV_KEY counterpart, which is false. Rename it to SW_RFKILL_ALL, and document what this event is for. Keep the old name around, to avoid userspace ABI breaks. The SW_RFKILL_ALL event is meant to be used by rfkill master switches. It is not bound to a particular radio switch type, and usually applies to all types. It is semantically tied to master rfkill switches that enable or disable every radio in a system. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2008-05-30virtio: force callback on empty.Rusty Russell
virtio allows drivers to suppress callbacks (ie. interrupts) for efficiency (no locking, it's just an optimization). There's a similar mechanism for the host to suppress notifications coming from the guest: in that case, we ignore the suppression if the ring is completely full. It turns out that life is simpler if the host similarly ignores callback suppression when the ring is completely empty: the network driver wants to free up old packets in a timely manner, and otherwise has to use a timer to poll. We have to remove the code which ignores interrupts when the driver has disabled them (again, it had no locking and hence was unreliable anyway). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-05-30virtio_blk: fix endianess annotationsChristian Borntraeger
Since commit 72e61eb40b55dd57031ec5971e810649f82b0259 (virtio: change config to guest endian) config space is no longer fixed endian. Lets change the virtio_blk_config variables. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-05-30virtio_config: fix len calculation of config elementsChristian Borntraeger
Rusty, This patch is a prereq for the virtio_blk blocksize patch, please apply it first. Adding an u32 value to the virtio_blk_config unconvered a small bug the config space defintions: v is a pointer, to we have to use sizeof(*v) instead of sizeof(v). Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-05-30virtio: An entropy device, as suggested by hpa.Rusty Russell
Note that by itself, having a "hardware" random generator does very little: you should probably run "rngd" in your guest to feed this into the kernel entropy pool. Included: virtio_rng: dont use vmalloced addresses for virtio If virtio_rng is build as a module, random_data is an address in vmalloc space. As virtio expects guest real addresses, this can cause any kind of funny behaviour, so lets allocate random_data dynamically with kmalloc. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-05-30virtio_blk: allow read-only disksChristian Borntraeger
Hello Rusty, sometimes it is useful to share a disk (e.g. usr). To avoid file system corruption, the disk should be mounted read-only in that case. This patch adds a new feature flag, that allows the host to specify, if the disk should be considered read-only. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-05-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: driver-core: prepare for 2.6.27 api change by adding dev_set_name
2008-05-29driver-core: prepare for 2.6.27 api change by adding dev_set_nameStephen Rothwell
Create the dev_set_name function now so that various subsystems can start changing over to it before other changes in 2.6.27 will make it compulsory. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-05-29Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: re-tune NUMA topologies sched: stop wake_affine from causing serious imbalance sched: fix sched_clock_cpu() revert ("sched: fair-group: SMP-nice for group scheduling") sched: cleanup show_schedstat(): fix memleak sched: unite unlikely pairs in rt_policy() and schedule_debug() revert ("sched: fair: weight calculations")
2008-05-29Merge commit 'linus/master' into sched-fixes-for-linusIngo Molnar
2008-05-29sched: re-tune NUMA topologiesIngo Molnar
improve the sysbench ramp-up phase and its peak throughput on a 16way NUMA box, by turning on WAKE_AFFINE: tip/sched tip/sched+wake-affine ------------------------------------------------- 1: 700 830 +15.65% 2: 1465 1391 -5.28% 4: 3017 3105 +2.81% 8: 5100 6021 +15.30% 16: 10725 10745 +0.19% 32: 10135 10150 +0.16% 64: 9338 9240 -1.06% 128: 8599 8252 -4.21% 256: 8475 8144 -4.07% ------------------------------------------------- SUM: 57558 57882 +0.56% this change also improves lat_ctx from 6.69 usecs to 1.11 usec: $ ./lat_ctx -s 0 2 "size=0k ovr=1.19 2 1.11 $ ./lat_ctx -s 0 2 "size=0k ovr=1.22 2 6.69 in sysbench it's an overall win with some weakness at the lots-of-clients side. That happens because we now under-balance this workload a bit. To counter that effect, turn on NEWIDLE: wake-idle wake-idle+newidle ------------------------------------------------- 1: 830 834 +0.43% 2: 1391 1401 +0.65% 4: 3105 3091 -0.43% 8: 6021 6046 +0.42% 16: 10745 10736 -0.08% 32: 10150 10206 +0.55% 64: 9240 9533 +3.08% 128: 8252 8355 +1.24% 256: 8144 8384 +2.87% ------------------------------------------------- SUM: 57882 58591 +1.21% as a bonus this not only improves the many-clients case but also improves the (more important) rampup phase. sysbench is a workload that quickly breaks down if the scheduler over-balances, so since it showed an improvement under NEWIDLE this change is definitely good.
2008-05-29tcp: Reorganize tcp_sock to fill 64-bit holes & improve localityIlpo Järvinen
I tried to group recovery related fields nearby (non-CA_Open related variables, to be more accurate) so that one to three cachelines would not be necessary in CA_Open. These are now contiguously deployed: struct sk_buff_head out_of_order_queue; /* 1968 80 */ /* --- cacheline 32 boundary (2048 bytes) --- */ struct tcp_sack_block duplicate_sack[1]; /* 2048 8 */ struct tcp_sack_block selective_acks[4]; /* 2056 32 */ struct tcp_sack_block recv_sack_cache[4]; /* 2088 32 */ /* --- cacheline 33 boundary (2112 bytes) was 8 bytes ago --- */ struct sk_buff * highest_sack; /* 2120 8 */ int lost_cnt_hint; /* 2128 4 */ int retransmit_cnt_hint; /* 2132 4 */ u32 lost_retrans_low; /* 2136 4 */ u8 reordering; /* 2140 1 */ u8 keepalive_probes; /* 2141 1 */ /* XXX 2 bytes hole, try to pack */ u32 prior_ssthresh; /* 2144 4 */ u32 high_seq; /* 2148 4 */ u32 retrans_stamp; /* 2152 4 */ u32 undo_marker; /* 2156 4 */ int undo_retrans; /* 2160 4 */ u32 total_retrans; /* 2164 4 */ ...and they're then followed by URG slowpath & keepalive related variables. Head of the out_of_order_queue always needed for empty checks, if that's empty (and TCP is in CA_Open), following ~200 bytes (in 64-bit) shouldn't be necessary for anything. If only OFO queue exists but TCP is in CA_Open, selective_acks (and possibly duplicate_sack) are necessary besides the out_of_order_queue but the rest of the block again shouldn't be (ie., the other direction had losses). As the cacheline boundaries depend on many factors in the preceeding stuff, trying to align considering them doesn't make too much sense. Commented one ordering hazard. There are number of low utilized u8/16s that could be combined get 2 bytes less in total so that the hole could be made to vanish (includes at least ecn_flags, urg_data, urg_mode, frto_counter, nonagle). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Acked-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29revert ("sched: fair-group: SMP-nice for group scheduling")Ingo Molnar
Yanmin Zhang reported: Comparing with 2.6.25, volanoMark has big regression with kernel 2.6.26-rc1. It's about 50% on my 8-core stoakley, 16-core tigerton, and Itanium Montecito. With bisect, I located the following patch: | 18d95a2832c1392a2d63227a7a6d433cb9f2037e is first bad commit | commit 18d95a2832c1392a2d63227a7a6d433cb9f2037e | Author: Peter Zijlstra <a.p.zijlstra@chello.nl> | Date: Sat Apr 19 19:45:00 2008 +0200 | | sched: fair-group: SMP-nice for group scheduling Revert it so that we get v2.6.25 behavior. Bisected-by: Yanmin Zhang <yanmin_zhang@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-29wanrouter: Fix ioctl handler declaration.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29tg3: Add shmem options.Matt Carlson
This patch adds some options obtained through shared memory. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-29tg3: Add 5785 ASIC revisionMatt Carlson
This patch added the 5785 device ID and ASIC revision to the code. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-28block: make blktrace use per-cpu buffers for message notesJens Axboe
Currently it uses a single static char array, but that risks being corrupted when multiple users issue message notes at the same time. Make the buffers dynamically allocated when the trace is setup and make them per-cpu instead. The default max message size of 1k is also very large, the interface is mainly for small text notes. So shrink it to 128 bytes. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-05-28Added in MESSAGE notes for blktracesAlan D. Brunelle
Allows messages to be inserted into blktrace streams. Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-05-27Input: wm9713 - support five wire panelsMark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2008-05-26posix timers: discard SI_TIMER signals on execOleg Nesterov
Based on Roland's patch. This approach was suggested by Austin Clements from the very beginning, and then by Linus. As Austin pointed out, the execing task can be killed by SI_TIMER signal because exec flushes the signal handlers, but doesn't discard the pending signals generated by posix timers. Perhaps not a bug, but people find this surprising. See http://bugzilla.kernel.org/show_bug.cgi?id=10460 Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Austin Clements <amdragon+kernelbugzilla@mit.edu> Cc: Roland McGrath <roland@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-26Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c: Align i2c_device_id tuner: Do not alter i2c_client.name
2008-05-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (52 commits) vlan: Use bitmask of feature flags instead of seperate feature bits fmvj18x_cs: add NextCom NC5310 rev B support xirc2ps_cs: re-initialize the multicast address in do_reset 3C509: rx_bytes should not be increased when alloc_skb failed NETFRONT: Use __skb_queue_purge() VIRTIO: Use __skb_queue_purge() phylib: do EXPORT_SYMBOL on get_phy_id netlink: Fix nla_parse_nested_compat() to call nla_parse() directly WAN: protect HDLC proto list while insmod/rmmod drivers/net/fs_enet: remove null pointer dereference S2io: Version update for napi and MSI-X patches S2io: Added napi support when MSIX is enabled. S2io: Move all the transmit completions to a single msi-x (alarm) vector drivers/net/ehea - remove unnecessary memset after kzalloc au1000_eth: remove useless check Blackfin EMAC Driver: Removed duplicated include <linux/ethtool.h> cpmac bugfixes and enhancements e1000e: use resource_size_t, not unsigned long, for phys addrs net/usb: add support for Apple USB Ethernet Adapter uli526x: add support for netpoll ...
2008-05-26i2c: Align i2c_device_idJiri Slaby
Align i2c_device_id.driver_data to 8 bytes to not fail on crossbuilds. (Added in d2653e92732bd3911feff6bee5e23dbf959381db.) Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-05-25Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/cpmac.c net/mac80211/mlme.c
2008-05-24for_each_online_pgdat(): kerneldoc fixFernando Luis Vazquez Cao
for_each_pgdat() was renamed to for_each_online_pgdat() and kerneldoc comments should be updated accordingly. Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-24gpio: build fixesDavid Brownell
This fixes various gpio-related build errors (mostly potential) reported in part by Russell King and Uwe Kleine-König. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-24SM501: reverse FPEN/VBIASEN flags behaviourBen Dooks
To keep backwards compatibility, reverse the meanings of these flags so that when they are not set, the driver uses the original behvaiour. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Cc: Arnaud Patard <arnaud.patard@rtp-net.org> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-24md: restart recovery cleanly after device failure.NeilBrown
When we get any IO error during a recovery (rebuilding a spare), we abort the recovery and restart it. For RAID6 (and multi-drive RAID1) it may not be best to restart at the beginning: when multiple failures can be tolerated, the recovery may be able to continue and re-doing all that has already been done doesn't make sense. We already have the infrastructure to record where a recovery is up to and restart from there, but it is not being used properly. This is because: - We sometimes abort with MD_RECOVERY_ERR rather than just MD_RECOVERY_INTR, which causes the recovery not be be checkpointed. - We remove spares and then re-added them which loses important state information. The distinction between MD_RECOVERY_ERR and MD_RECOVERY_INTR really isn't needed. If there is an error, the relevant drive will be marked as Faulty, and that is enough to ensure correct handling of the error. So we first remove MD_RECOVERY_ERR, changing some of the uses of it to MD_RECOVERY_INTR. Then we cause the attempt to remove a non-faulty device from an array to fail (unless recovery is impossible as the array is too degraded). Then when remove_and_add_spares attempts to remove the devices on which recovery can continue, it will fail, they will remain in place, and recovery will continue on them as desired. Issue: If we are halfway through rebuilding a spare and another drive fails, and a new spare is immediately available, do we want to: 1/ complete the current rebuild, then go back and rebuild the new spare or 2/ restart the rebuild from the start and rebuild both devices in parallel. Both options can be argued for. The code currently takes option 2 as a/ this requires least code change b/ this results in a minimally-degraded array in minimal time. Cc: "Eivind Sarto" <ivan@kasenna.com> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-24md: allow parallel resync of md-devices.Bernd Schubert
In some configurations, a raid6 resync can be limited by CPU speed (Calculating P and Q and moving data) rather than by device speed. In these cases there is nothing to be gained byt serialising resync of arrays that share a device, and doing the resync in parallel can provide benefit. So add a sysfs tunable to flag an array as being allowed to resync in parallel with other arrays that use (a different part of) the same device. Signed-off-by: Bernd Schubert <bs@q-leap.de> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-24md: kill file_path wrapperChristoph Hellwig
Kill the trivial and rather pointless file_path wrapper around d_path. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-24md: proper extern for mdp_majorAdrian Bunk
This patch adds a proper extern for mdp_major in include/linux/raid/md.h Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-24mm: fix atomic_t overflow in vmAlan Cox
The atomic_t type is 32bit but a 64bit system can have more than 2^32 pages of virtual address space available. Without this we overflow on ludicrously large mappings Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-24types.h: don't expose struct ustat to userspacemaximilian attems
<linux/types.h> can't be used together with <sys/ustat.h> because they both define struct ustat: $ cat test.c #include <sys/ustat.h> #include <linux/types.h> $ gcc -c test.c In file included from test.c:2: /usr/include/linux/types.h:165: error: redefinition of 'struct ustat' has been reported a while ago to debian, but seems to have been lost in cat fighting: http://bugs.debian.org/429064 Signed-off-by: maximilian attems <max@stro.at> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-24serial: support for InstaShield IS-400 four port RS-232 PCI cardIgnacio García Pérez
Add support for the InstaShield IS-400 four port RS-232 PCI card. Signed-off-by: Ignacio García Pérez <iggarpe@t2i.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>