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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.
2008-05-29revert ("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>
2008-05-28block: 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>
2008-05-26posix 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>
2008-05-24for_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>
2008-05-24i5k_amb: support Intel 5400 chipsetDarrick J. Wong
Minor rework to support the Intel 5400 chipset. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-23vlan: Use bitmask of feature flags instead of seperate feature bitsPatrick McHardy
Herbert Xu points out that the use of seperate feature bits for features to be propagated to VLAN devices is going to get messy real soon. Replace the VLAN feature bits by a bitmask of feature flags to be propagated and restore the old GSO_SHIFT/MASK values. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21Merge 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: net: The world is not perfect patch. tcp: Make prior_ssthresh a u32 xfrm_user: Remove zero length key checks. net/ipv4/arp.c: Use common hex_asc helpers cassini: Only use chip checksum for ipv4 packets. tcp: TCP connection times out if ICMP frag needed is delayed netfilter: Move linux/types.h inclusions outside of #ifdef __KERNEL__ af_key: Fix selector family initialization. libertas: Fix ethtool statistics mac80211: fix NULL pointer dereference in ieee80211_compatible_rates mac80211: don't claim iwspy support orinoco_cs: add ID for SpeedStream wireless adapters hostap_cs: add ID for Conceptronic CON11CPro rtl8187: resource leak in error case ath5k: Fix loop variable initializations
2008-05-21tcp: Make prior_ssthresh a u32Ilpo Järvinen
If previous window was above representable values of u16, strange things will happen if undo with the truncated value is called for. Alternatively, this could be fixed by some max trickery but that would limit undoing high-speed undos. Adds 16-bit hole but there isn't anything to fill it with. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21netfilter: Move linux/types.h inclusions outside of #ifdef __KERNEL__Patrick McHardy
Greg Steuck <greg@nest.cx> points out that some of the netfilter headers can't be used in userspace without including linux/types.h first. The headers include their own linux/types.h include statements, these are stripped by make headers-install because they are inside #ifdef __KERNEL__ however. Move them out to fix this. Reported and Tested by Greg Steuck. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-20Merge branch 'for-2.6.26' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'for-2.6.26' of git://linux-nfs.org/~bfields/linux: (25 commits) svcrdma: Verify read-list fits within RPCSVC_MAXPAGES svcrdma: Change svc_rdma_send_error return type to void svcrdma: Copy transport address and arm CQ before calling rdma_accept svcrdma: Set rqstp transport address in rdma_read_complete function svcrdma: Use ib verbs version of dma_unmap svcrdma: Cleanup queued, but unprocessed I/O in svc_rdma_free svcrdma: Move the QP and cm_id destruction to svc_rdma_free svcrdma: Add reference for each SQ/RQ WR svcrdma: Move destroy to kernel thread svcrdma: Shrink scope of spinlock on RQ CQ svcrdma: Use standard Linux lists for context cache svcrdma: Simplify RDMA_READ deferral buffer management svcrdma: Remove unused READ_DONE context flags bit svcrdma: Return error from rdma_read_xdr so caller knows to free context svcrdma: Fix error handling during listening endpoint creation svcrdma: Free context on post_recv error in send_reply svcrdma: Free context on ib_post_recv error svcrdma: Add put of connection ESTABLISHED reference in rdma_cma_handler svcrdma: Fix return value in svc_rdma_send svcrdma: Fix race with dto_tasklet in svc_rdma_send ...
2008-05-20Merge 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: (27 commits) pktgen: make sure that pktgen_thread_worker has been executed [VLAN]: Propagate selected feature bits to VLAN devices drivers/atm/: remove CVS keywords vlan: Correctly handle device notifications for layered VLAN devices net: Fix call to ->change_rx_flags(dev, IFF_MULTICAST) in dev_change_flags() net_sched: cls_api: fix return value for non-existant classifiers ipsec: Use the correct ip_local_out function ipv6 addrconf: Allow infinite prefix lifetime. ipv6 route: Fix lifetime in netlink. ipv6 addrconf: Fix route lifetime setting in corner case. ndisc: Add missing strategies for per-device retrans timer/reachable time settings. ipv6: Move <linux/in6.h> from header-y to unifdef-y. l2tp: avoid skb truesize bug if headroom is increased wireless: Create 'device' symlink in sysfs wireless, airo: waitbusy() won't delay libertas: fix command timeout after firmware failure mac80211: Add RTNL version of ieee80211_iterate_active_interfaces mac80211 : Association with 11n hidden ssid ap. hostap: fix "registers" registration in procfs isdn/capi: Return proper errnos on module init. ...
2008-05-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: CDC WDM driver USB: ehci-orion: the Orion EHCI root hub does have a Transaction Translator USB: serial: ch341: New VID/PID for CH341 USB-serial USB: build fix USB: pxa27x_udc - Fix Oops USB: OPTION: fix name of Onda MSA501HS HSDPA modem USB: add TELIT HDSPA UC864-E modem to option driver usb-serial: Use ftdi_sio driver for RATOC REX-USB60F
2008-05-20[VLAN]: Propagate selected feature bits to VLAN devicesPatrick McHardy
Propagate feature bits from the NETDEV_FEAT_CHANGE notifier. For now only TSO is propagated for devices that announce their ability to support TSO in combination with VLAN accel by setting the NETIF_F_VLAN_TSO flag. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-20USB: CDC WDM driverOliver Neukum
Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-05-20Driver core: add device_create_vargs and device_create_drvdataGreg Kroah-Hartman
We want to have the drvdata field set properly when creating the device as sysfs callbacks can assume it is present and it can race the later setting of this field. So, create two new functions, deviec_create_vargs() and device_create_drvdata() that take this new field. device_create_drvdata() will go away in 2.6.27 as the drvdata field will just be moved to the device_create() call as it should be. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-05-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: remove CVS keywords HID: Add iMON LCDs to blacklist HID: add Microchip PICKit 1 and PICkit 2 to blacklist HID: split Numlock emulation quirk from HID_QUIRK_APPLE_HAS_FN.
2008-05-20HID: remove CVS keywordsAdrian Bunk
This patch removes CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-05-20HID: split Numlock emulation quirk from HID_QUIRK_APPLE_HAS_FN.Diego 'Flameeyes' Petteno
Since 2.6.25 the HID_QUIRK_APPLE_HAS_FN quirk is enabled even for non-laptop Apple keyboards of the Aluminium series. The USB version of these don't need Numlock emulation, like the laptop (and Aluminium Wireless) do, as they have a proper keypad. This patch splits the Numlock emulation for Apple keyboards in a different quirk flag, so that it can be enabled for all the keyboards but the Aluminium USB ones. If the Numlock emulation is enabled for Aluminium USB keyboards, the JKL and UIO keys become the numeric pad, and the rest of the keyboard is disabled, included the key used to disable Numlock. Additionally, these keyboard should not have a Numlock at all, as the Numlock key is instead replaced by the 'Clear' key as usual for Apple USB keyboards. Signed-off-by: Diego 'Flameeyes' Petteno <flameeyes@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-05-19Merge branch 'for-linus' of ↵Linus Torvalds
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: [PATCH] return to old errno choice in mkdir() et.al. [Patch] fs/binfmt_elf.c: fix wrong return values [PATCH] get rid of leak in compat_execve() [Patch] fs/binfmt_elf.c: fix a wrong free [PATCH] avoid multiplication overflows and signedness issues for max_fds [PATCH] dup_fd() part 4 - race fix [PATCH] dup_fd() - part 3 [PATCH] dup_fd() part 2 [PATCH] dup_fd() fixes, part 1 [PATCH] take init_files to fs/file.c
2008-05-19Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (28 commits) drivers/ata: trim trailing whitespace Fixups to ATA ACPI hotplug libata: ignore SIMG4726 config pseudo device sata_sil24: don't use NCQ if marvell 4140 PMP is attached libata: don't schedule LPM action seperately during probing libata: make sure PMP notification is turned off during recovery libata: increase PMP register access timeout to 3s libata: ignore recovered PHY errors libata: kill hotplug related race condition libata: move reset freeze/thaw handling into ata_eh_reset() libata: reorganize ata_eh_reset() no reset method path libata: fix sata_link_hardreset() @online out parameter handling sata_promise: other cleanups sata_promise: mmio access cleanups sata_promise: fix irq clearing buglets ata: remove FIT() macro sata_mv: ensure empty request queue for FBS-NCQ EH sata_mv: cache main_irq_mask register in hpriv sata_mv: disregard masked irqs sata_mv: fix pmp drives not found ...
2008-05-19libata: ignore SIMG4726 config pseudo deviceTejun Heo
I was hoping ATA_HORKAGE_NODMA | ATA_HORKAGE_SKIP_PM could keep it happy but no even this doesn't work under certain configurations and it's not like we can do anything useful with the cofig device anyway. Replace ATA_HORKAGE_SKIP_PM with ATA_HORKAGE_DISABLE and use it for the config device. This makes the device completely ignored by libata. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-19libata: increase PMP register access timeout to 3sTejun Heo
This timeout was set low because previously PMP register access was done via polling and register access timeouts could stack up. This is no longer the case. One timeout will make all following accesses fail immediately. In rare cases both marvell and SIMG PMPs need almost a second. Bump it to 3s. While at it, rename it to SATA_PMP_RW_TIMEOUT. It's not specific to SCR access. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-19ata: remove FIT() macroHarvey Harrison
Use the kernel-provided clamp_val() macro. FIT was always applied to a member of struct ata_timing (unsigned short) and two constants. clamp_val will not cast to short anymore. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-05-19ipv6: Move <linux/in6.h> from header-y to unifdef-y.Robert P. J. Day
Given that <linux/in6.h> contains a __KERNEL__ test, it should be unifdef-ed. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-19dlm: <linux/dlm_plock.h> should be "unifdef"ed.Robert P. J. Day
Given that <linux/dlm_plock.h> contains a conditional __KERNEL__ test, it should be moved from header-y to unifdef-y. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: David Teigland <teigland@redhat.com>
2008-05-19svcrdma: Change svc_rdma_send_error return type to voidTom Tucker
The svc_rdma_send_error function is called when an RPCRDMA protocol error is detected. This function attempts to post an error reply message. Since an error posting to a transport in error is ignored, change the return type to void. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
2008-05-19svcrdma: Move destroy to kernel threadTom Tucker
Some providers may wait while destroying adapter resources. Since it is possible that the last reference is put on the dto_tasklet, the actual destroy must be scheduled as a work item. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
2008-05-19svcrdma: Use standard Linux lists for context cacheTom Tucker
Replace the one-off linked list implementation used to implement the context cache with the standard Linux list_head lists. Add a context counter to catch resource leaks. A WARN_ON will be added later to ensure that we've freed all contexts. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
2008-05-19svcrdma: Simplify RDMA_READ deferral buffer managementTom Tucker
An NFS_WRITE requires a set of RDMA_READ requests to fetch the write data from the client. There are two principal pieces of data that need to be tracked: the list of pages that comprise the completed RPC and the SGE of dma mapped pages to refer to this list of pages. Previously this whole bit was managed as a linked list of contexts with the context containing the page list buried in this list. This patch simplifies this processing by not keeping a linked list, but rather only a pionter from the last submitted RDMA_READ's context to the context that maps the set of pages that describe the RPC. This significantly simplifies this code path. SGE contexts are cleaned up inline in the DTO path instead of at read completion time. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
2008-05-19svcrdma: Remove unused READ_DONE context flags bitTom Tucker
The RDMACTXT_F_READ_DONE bit is not longer used. Remove it. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
2008-05-18i2c: Kill the old driver matching schemeJean Delvare
Remove the old driver_name/type scheme for i2c driver matching. Only the standard aliasing model will be used from now on. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-05-16[PATCH] get rid of leak in compat_execve()Al Viro
Even though copy_compat_strings() doesn't cache the pages, copy_strings_kernel() and stuff indirectly called by e.g. ->load_binary() is doing that, so we need to drop the cache contents in the end. [found by WANG Cong <wangcong@zeuux.org>] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>