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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: irq_node.handler() should return irqreturn_t
m68k: section mismatch fixes: Atari SCSI
m68k: section mismatch fixes: DMAsound for Atari
MAINTAINERS: Replace dead link to m68k CVS repository by link to new git repository
m68k: mac - Add SWIM floppy support
m68k: mac - Add a new entry in mac_model to identify the floppy controller type.
m68k: Add install target
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* 'bkl-removal' of git://git.lwn.net/linux-2.6:
Rationalize fasync return values
Move FASYNC bit handling to f_op->fasync()
Use f_lock to protect f_flags
Rename struct file->f_ep_lock
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (32 commits)
x86: disable __do_IRQ support
sparseirq, powerpc/cell: fix unused variable warning in interrupt.c
genirq: deprecate obsolete typedefs and defines
genirq: deprecate __do_IRQ
genirq: add doc to struct irqaction
genirq: use kzalloc instead of explicit zero initialization
genirq: make irqreturn_t an enum
genirq: remove redundant if condition
genirq: remove unused hw_irq_controller typedef
irq: export remove_irq() and setup_irq() symbols
irq: match remove_irq() args with setup_irq()
irq: add remove_irq() for freeing of setup_irq() irqs
genirq: assert that irq handlers are indeed running in hardirq context
irq: name 'p' variables a bit better
irq: further clean up the free_irq() code flow
irq: refactor and clean up the free_irq() code flow
irq: clean up manage.c
irq: use GFP_KERNEL for action allocation in request_irq()
kernel/irq: fix sparse warning: make symbol static
irq: optimize init_kstat_irqs/init_copy_kstat_irqs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits)
posix timers: fix RLIMIT_CPU && fork()
time: ntp: fix bug in ntp_update_offset() & do_adjtimex(), fix
time: ntp: clean up second_overflow()
time: ntp: simplify ntp_tick_adj calculations
time: ntp: make 64-bit constants more robust
time: ntp: refactor do_adjtimex() some more
time: ntp: refactor do_adjtimex()
time: ntp: fix bug in ntp_update_offset() & do_adjtimex()
time: ntp: micro-optimize ntp_update_offset()
time: ntp: simplify ntp_update_offset_fll()
time: ntp: refactor and clean up ntp_update_offset()
time: ntp: refactor up ntp_update_frequency()
time: ntp: clean up ntp_update_frequency()
time: ntp: simplify the MAX_TICKADJ_SCALED definition
time: ntp: simplify the second_overflow() code flow
time: ntp: clean up kernel/time/ntp.c
x86: hpet: stop HPET_COUNTER when programming periodic mode
x86: hpet: provide separate functions to stop and start the counter
x86: hpet: print HPET registers during setup (if hpet=verbose is used)
time: apply NTP frequency/tick changes immediately
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (81 commits)
[S390] remove duplicated #includes
[S390] cpumask: use mm_cpumask() wrapper
[S390] cpumask: Use accessors code.
[S390] cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.
[S390] cpumask: remove cpu_coregroup_map
[S390] fix clock comparator save area usage
[S390] Add hwcap flag for the etf3 enhancement facility
[S390] Ensure that ipl panic notifier is called late.
[S390] fix dfp elf hwcap/facility bit detection
[S390] smp: perform initial cpu reset before starting a cpu
[S390] smp: fix memory leak on __cpu_up
[S390] ipl: Improve checking logic and remove switch defaults.
[S390] s390dbf: Remove needless check for NULL pointer.
[S390] s390dbf: Remove redundant initilizations.
[S390] use kzfree()
[S390] BUG to BUG_ON changes
[S390] zfcpdump: Prevent zcore from beeing built as a kernel module.
[S390] Use csum_partial in checksum.h
[S390] cleanup lowcore.h
[S390] eliminate ipl_device from lowcore
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* 'for-2.6.30' of git://git.kernel.dk/linux-2.6-block:
Get rid of pdflush_operation() in emergency sync and remount
btrfs: get rid of current_is_pdflush() in btrfs_btree_balance_dirty
Move the default_backing_dev_info out of readahead.c and into backing-dev.c
block: Repeated lines in switching-sched.txt
bsg: Remove bogus check against request_queue->max_sectors
block: WARN in __blk_put_request() for potential bio leak
loop: fix circular locking in loop_clr_fd()
loop: support barrier writes
bsg: add support for tail queuing
cpqarray: enable bus mastering
block: genhd.h cleanup patch
block: add private bio_set for bio integrity allocations
block: genhd.h comment needs updating
block: get rid of unused blkdev_free_rq() define
block: remove various blk_queue_*() setting functions in blk_init_queue_node()
cciss: add BUILD_BUG_ON() for catching bad CommandList_struct alignment
block: don't create bio_vec slabs of less than the inline number
block: cleanup bio_alloc_bioset()
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1750 commits)
ixgbe: Allow Priority Flow Control settings to survive a device reset
net: core: remove unneeded include in net/core/utils.c.
e1000e: update version number
e1000e: fix close interrupt race
e1000e: fix loss of multicast packets
e1000e: commonize tx cleanup routine to match e1000 & igb
netfilter: fix nf_logger name in ebt_ulog.
netfilter: fix warning in ebt_ulog init function.
netfilter: fix warning about invalid const usage
e1000: fix close race with interrupt
e1000: cleanup clean_tx_irq routine so that it completely cleans ring
e1000: fix tx hang detect logic and address dma mapping issues
bridge: bad error handling when adding invalid ether address
bonding: select current active slave when enslaving device for mode tlb and alb
gianfar: reallocate skb when headroom is not enough for fcb
Bump release date to 25Mar2009 and version to 0.22
r6040: Fix second PHY address
qeth: fix wait_event_timeout handling
qeth: check for completion of a running recovery
qeth: unregister MAC addresses during recovery.
...
Manually fixed up conflicts in:
drivers/infiniband/hw/cxgb3/cxio_hal.h
drivers/infiniband/hw/nes/nes_nic.c
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] i6300esb.c: start locking
[WATCHDOG] i6300esb.c: convert to platform device driver
[WATCHDOG] wdt.c: remove #ifdef CONFIG_WDT_501
[WATCHDOG] Fix io.h & uaccess.h includes.
[WATCHDOG] More coding-style and trivial clean-up
[WATCHDOG] struct file_operations should be const
[WATCHDOG] cpwd.c: Coding style - Clean-up
[WATCHDOG] hpwdt.c: Add new HP BMC controller.
[PATCH 13/13] drivers/watchdog: use USB API functions rather than constants
[WATCHDOG] orion5x_wdt: fix compile issue by providing tclk as platform data
[WATCHDOG] rc32434_wdt: make sure watchdog is not running at startup
[WATCHDOG] rc32434_wdt: add spin_locking
[WATCHDOG] rc32434_wdt: add shutdown method
[WATCHDOG] rc32434_wdt: add timeout module parameter
[WATCHDOG] rc32434_wdt: clean-up driver
[WATCHDOG] davinci: convert to ioremap() + io[read|write]
[WATCHDOG] w83697ug: add error checking
[WATCHDOG] cpwd.c & riowd.c - unlocked_ioctl
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (30 commits)
RDMA/cxgb3: Enforce required firmware
IB/mlx4: Unregister IB device prior to CLOSE PORT command
mlx4_core: Add link type autosensing
mlx4_core: Don't perform SET_PORT command for Ethernet ports
RDMA/nes: Handle MPA Reject message properly
RDMA/nes: Improve use of PBLs
RDMA/nes: Remove LLTX
RDMA/nes: Inform hardware that asynchronous event has been handled
RDMA/nes: Fix tmp_addr compilation warning
RDMA/nes: Report correct vendor_id and vendor_part_id
RDMA/nes: Update copyright to new legal entity and year
RDMA/nes: Account for freed PBL after HW operation
IB: Remove useless ibdev_is_alive() tests from sysfs code
IB/sa_query: Fix AH leak due to update_sm_ah() race
IB/mad: Fix ib_post_send_mad() returning 0 with no generate send comp
IB/mad: initialize mad_agent_priv before putting on lists
IB/mad: Fix null pointer dereference in local_completions()
IB/mad: Fix RMPP header RRespTime manipulation
IB/iser: Remove hard setting of path MTU
mlx4_core: Add device IDs for MT25458 10GigE devices
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Conflicts:
drivers/net/wimax/i2400m/usb-notif.c
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add __init annotations to probe routines
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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It allows to read data from a floppy, but not to write to, and to eject the
floppy (useful on our Mac without eject button).
Signed-off-by: Laurent Vivier <Laurent@lvivier.info>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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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: (35 commits)
[libata] Improve timeout handling
[libata] Drain data on errors
pata_sc1200: Activate secondary channel
pata_artop: Serializing support
[libata] ahci: correct enclosure LED state save
[libata] More robust parsing for IDENTIFY DEVICE multi_count field
sata_mv: fix LED blinking for SoC+NCQ
sata_mv: optimize IRQ coalescing for 8-port chips
sata_mv: implement IRQ coalescing (v2)
sata_mv: cosmetic preparations for IRQ coalescing
pata-rb532-cf: platform_get_irq() fix ignored failure
pata_efar: fix *dma_mask
pata_radisys: fix mwdma_mask to exclude mwdma0
[libata] convert drivers to use ata.h mode mask defines
include/linux/ata.h: add some more transfer masks
ahci: Blacklist HP Compaq 6720s that spins off disks during ACPI power off
[libata] sata_mv: Implement direct FIS transmission via mv_qc_issue_fis().
[libata] Export ata_pio_queue_task() so that it can be used from sata_mv.
[libata] sata_mv: Add a new mv_sff_check_status() function to sata_mv.
[libata] sata_mv: Tighten up interrupt masking in mv_qc_issue()
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (97 commits)
USB: qcserial: add device id for HP devices
USB: isp1760: Add a delay before reading the SKIPMAP registers in isp1760-hcd.c
USB: allow malformed LANGID descriptors
USB: pxa27x_udc: typo fixes and code cleanups
USB: gadget: gadget zero uses new suspend/resume hooks
USB: gadget: composite device-level suspend/resume hooks
USB: r8a66597-hcd: suspend/resume support
USB: more u32 conversion after transfer_buffer_length and actual_length
USB: Fix cp2101 USB serial device driver termios functions for console use
USB: CP2101 New Device ID
USB: ipaq: handle 4 endpoint devices
USB: S3C: Move usb-control.h to platform include
USB: ohci-hcd: Add ARCH_S3C24XX to the ohci-s3c2410.c glue
USB: pedantic: spelling correction in comment for ch9.h
USB: host: fix sparse warning: Using plain integer as NULL pointer
USB: ohci-s3c2410: fix name of bus clock
USB: ohci-s3c2410: remove <mach/hardware.h> include
USB: serial: rename cp2101 driver to cp210x
USB: CP2101 Reduce Error Logging
USB: CP2101 Support AN205 baud rates
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (61 commits)
Dynamic debug: fix pr_fmt() build error
Dynamic debug: allow simple quoting of words
dynamic debug: update docs
dynamic debug: combine dprintk and dynamic printk
sysfs: fix some bin_vm_ops errors
kobject: don't block for each kobject_uevent
sysfs: only allow one scheduled removal callback per kobj
Driver core: Fix device_move() vs. dpm list ordering, v2
Driver core: some cleanup on drivers/base/sys.c
Driver core: implement uevent suppress in kobject
vcs: hook sysfs devices into object lifetime instead of "binding"
driver core: fix passing platform_data
driver core: move platform_data into platform_device
sysfs: don't block indefinitely for unmapped files.
driver core: move knode_bus into private structure
driver core: move knode_driver into private structure
driver core: move klist_children into private structure
driver core: create a private portion of struct device
driver core: remove polling for driver_probe_done(v5)
sysfs: reference sysfs_dirent from sysfs inodes
...
Fixed conflicts in drivers/sh/maple/maple.c manually
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (53 commits)
ide: use try_to_identify() in ide_driveid_update()
ide: clear drive IRQ after re-enabling local IRQs in ide_driveid_update()
ide: sanitize SELECT_MASK() usage in ide_driveid_update()
ide: classify device type in do_probe()
ide: remove broken EXABYTENEST support
ide: shorten timeout value in ide_driveid_update()
ide: propagate AltStatus workarounds to ide_driveid_update()
ide: fix kmalloc() failure handling in ide_driveid_update()
mn10300: remove <asm/ide.h>
frv: remove <asm/ide.h>
ide: remove pciirq argument from ide_pci_setup_ports()
ide: fix ->init_chipset method to return 'int' value
ide: remove try_to_identify() wrapper
ide: remove no longer needed IRQ auto-probing from try_to_identify() (v2)
ide: remove no longer needed IRQ fallback code from hwif_init()
amd74xx: remove no longer needed ->init_hwif method
ide: remove no longer needed IDE_HFLAG[_FORCE]_LEGACY_IRQS
ide: use ide_pci_is_in_compatibility_mode() in ide_pci_init_{one,two}()
ide: use pci_get_legacy_ide_irq() in ide_pci_init_{one,two}()
ide: handle IDE_HFLAG[_FORCE]_LEGACY_IRQS in ide_pci_init_{one,two}()
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (96 commits)
sh: add support for SMSC Polaris platform
sh: fix the HD64461 level-triggered interrupts handling
sh: sh-rtc wakeup support
sh: sh-rtc invalid time rework
sh: sh-rtc carry interrupt rework
sh: disallow kexec virtual entry
sh: kexec jump: fix for ftrace.
sh: kexec: Drop SR.BL bit toggling.
sh: add kexec jump support
sh: rework kexec segment code
sh: simplify kexec vbr code
sh: Flush only the needed range when unmapping a VMA.
sh: Update debugfs ASID dumping for 16-bit ASID support.
sh: tlb-pteaex: Kill off legacy PTEA updates.
sh: Support for extended ASIDs on PTEAEX-capable SH-X3 cores.
sh: sh7763rdp: Change IRQ number for sh_eth of sh7763rdp
sh: espt-giga board support
sh: dma: Make G2 DMA configurable.
sh: dma: Make PVR2 DMA configurable.
sh: Move IRQ multi definition of DMAC to defconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (430 commits)
ALSA: hda - Add quirk for Acer Ferrari 5000
ALSA: hda - Use cached calls to get widget caps and pin caps
ALSA: hda - Don't create empty/single-item input source
ALSA: hda - Fix the wrong pin-cap check in patch_realtek.c
ALSA: hda - Cache pin-cap values
ALSA: hda - Avoid output amp manipulation to digital mic pins
ALSA: hda - Add function id to proc output
ALSA: pcm - Safer boundary checks
ALSA: hda - Detect digital-mic inputs on ALC663 / ALC272
ALSA: sound/ali5451: typo: s/resouces/resources/
ALSA: hda - Don't show the current connection for power widgets
ALSA: Fix wrong pointer to dev_err() in arm/pxa2xx-ac97-lib.c
ASoC: Declare Headset as Mic and Headphone widgets for SDP3430
ASoC: OMAP: N810: Add more jack functions
ASoC: OMAP: N810: Mark not connected input pins
ASoC: Add FLL support for WM8400
ALSA: hda - Don't reset stream at each prepare callback
ALSA: hda - Don't reset BDL unnecessarily
ALSA: pcm - Fix delta calculation at boundary overlap
ALSA: pcm - Reset invalid position even without debug option
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (29 commits)
crypto: sha512-s390 - Add missing block size
hwrng: timeriomem - Breaks an allyesconfig build on s390:
nlattr: Fix build error with NET off
crypto: testmgr - add zlib test
crypto: zlib - New zlib crypto module, using pcomp
crypto: testmgr - Add support for the pcomp interface
crypto: compress - Add pcomp interface
netlink: Move netlink attribute parsing support to lib
crypto: Fix dead links
hwrng: timeriomem - New driver
crypto: chainiv - Use kcrypto_wq instead of keventd_wq
crypto: cryptd - Per-CPU thread implementation based on kcrypto_wq
crypto: api - Use dedicated workqueue for crypto subsystem
crypto: testmgr - Test skciphers with no IVs
crypto: aead - Avoid infinite loop when nivaead fails selftest
crypto: skcipher - Avoid infinite loop when cipher fails selftest
crypto: api - Fix crypto_alloc_tfm/create_create_tfm return convention
crypto: api - crypto_alg_mod_lookup either tested or untested
crypto: amcc - Add crypt4xx driver
crypto: ansi_cprng - Add maintainer
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: (35 commits)
[CPUFREQ] Prevent p4-clockmod from auto-binding to the ondemand governor.
[CPUFREQ] Make cpufreq-nforce2 less obnoxious
[CPUFREQ] p4-clockmod reports wrong frequency.
[CPUFREQ] powernow-k8: Use a common exit path.
[CPUFREQ] Change link order of x86 cpufreq modules
[CPUFREQ] conservative: remove 10x from def_sampling_rate
[CPUFREQ] conservative: fixup governor to function more like ondemand logic
[CPUFREQ] conservative: fix dbs_cpufreq_notifier so freq is not locked
[CPUFREQ] conservative: amend author's email address
[CPUFREQ] Use swap() in longhaul.c
[CPUFREQ] checkpatch cleanups for acpi-cpufreq
[CPUFREQ] powernow-k8: Only print error message once, not per core.
[CPUFREQ] ondemand/conservative: sanitize sampling_rate restrictions
[CPUFREQ] ondemand/conservative: deprecate sampling_rate{min,max}
[CPUFREQ] powernow-k8: Always compile powernow-k8 driver with ACPI support
[CPUFREQ] Introduce /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_transition_latency
[CPUFREQ] checkpatch cleanups for powernow-k8
[CPUFREQ] checkpatch cleanups for ondemand governor.
[CPUFREQ] checkpatch cleanups for powernow-k7
[CPUFREQ] checkpatch cleanups for speedstep related drivers.
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timers/core
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Use kzfree() instead of memset() + kfree().
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Stoyan Gaydarov <stoyboyker@gmail.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The cksm function in system.h is duplicate to csum_partial in checksum.h.
Remove cksm and use csum_partial instead.
Signed-off-by: Frank Munzert <munzert@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Trivial cleanup, list_del(); list_add{,_tail}() is equivalent
to list_move{,_tail}(). Semantic patch for coccinelle can be
found at www.cccmz.de/~snakebyte/list_move_tail.spatch
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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This is a cleanup of all the messages this driver prints. It uses the
dev_message macros now.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The inbound and outbound handlers are nearly identical if the outbound
handler uses first_to_check as end index instead of last_move. Since both
values are identical at that point the handlers can be merged.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Errors from SIGA instructions are stored in the per queue qdio_error
and reported back when the queue handler is called. That opens a race
when multiple error conditions occur simultanously.
Report SIGA errors immediately in the return value of do_QDIO so the
upper layer can react and SIGA errors no longer interfere with other
errors.
Move the SIGA error handling in qeth from the outbound handler to
qeth_flush_buffers.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
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If the qdio module is unloaded the tiqdio tasklet must be terminated
by tasklet_kill. Move the tasklet_kill after the unregistration of
the adapter interrupt so the tiqdio tasklet will not be scheduled
anymore before calling tasklet_kill.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The index value that indicated that the input queue moved was also used to
store the index of the first acknowledged buffer. For non-qebsm only the
newest buffer is acknowledged which may be different from the last move index
so two seperate values are needed to track the input queue.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The ACKnowledgement state should be set on the newest SBAL so an
adapter interrupt surpression check needs to scan fewer SBALs.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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qdio_cleanup is a wrapper function that should call qdio_shutdown and
qdio_free. qdio_free was not called if an error occured in qdio_shutdown
resulting in a missing free of allocated resources.
Call qdio_free regardless of the return value of qdio_shutdown.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The queue tasklets were stopped with tasklet_disable. Although tasklet_disable
prevents the tasklet from beeing executed it is still possible that a tasklet
is scheduled on a CPU at that point. A following qdio_establish calls
tasklet_init which clears the tasklet count and the tasklet state leading to
the following Oops:
<2>kernel BUG at kernel/softirq.c:392!
<4>illegal operation: 0001 [#1] SMP
<4>Modules linked in: iptable_filter ip_tables x_tables dm_round_robin dm_multipath scsi_dh sg sd_mod crc_t10dif nfs lockd nfs
_acl sunrpc fuse loop dm_mod qeth_l3 ipv6 zfcp qeth scsi_transport_fc qdio scsi_tgt scsi_mod chsc_sch ccwgroup dasd_eckd_mod dasdm
od ext3 mbcache jbd
<4>Supported: Yes
<4>CPU: 0 Not tainted 2.6.27.13-1.1.mz13-default #1
<4>Process blast.LzS_64 (pid: 16445, task: 000000006cc02538, ksp: 000000006cb67998)
<4>Krnl PSW : 0704c00180000000 00000000001399f4 (tasklet_action+0xc8/0x1d4)
<4> R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 EA:3
<4>Krnl GPRS: ffffffff00000030 0000000000000002 0000000000000002 fffffffffffffffe
<4> 000000000013aabe 00000000003b6a18 fffffffffffffffd 0000000000000000
<4> 00000000006705a8 000000007d0914a8 000000007d0914b0 000000007fecfd30
<4> 0000000000000000 00000000003b63e8 000000007fecfd90 000000007fecfd30
<4>Krnl Code: 00000000001399e8: b9200021 cgr %r2,%r1
<4> 00000000001399ec: a7740004 brc 7,1399f4
<4> 00000000001399f0: a7f40001 brc 15,1399f2
<4> >00000000001399f4: c0100027e8ee larl %r1,636bd0
<4> 00000000001399fa: bf1f1008 icm %r1,15,8(%r1)
<4> 00000000001399fe: a7840019 brc 8,139a30
<4> 0000000000139a02: c0300027e8ef larl %r3,636be0
<4> 0000000000139a08: e3c030000004 lg %r12,0(%r3)
<4>Call Trace:
<4>([<0000000000139c12>] tasklet_hi_action+0x112/0x1d4)
<4> [<000000000013aabe>] __do_softirq+0xde/0x1c4
<4> [<000000000010fa2e>] do_softirq+0x96/0xb0
<4> [<000000000013a8d8>] irq_exit+0x70/0xcc
<4> [<000000000010d1d8>] do_extint+0xf0/0x110
<4> [<0000000000113b10>] ext_no_vtime+0x16/0x1a
<4> [<000003e0000a3662>] ext3_dirty_inode+0xe6/0xe8 [ext3]
<4>([<00000000001f6cf2>] __mark_inode_dirty+0x52/0x1d4)
<4> [<000003e0000a44f0>] ext3_ordered_write_end+0x138/0x190 [ext3]
<4> [<000000000018d5ec>] generic_perform_write+0x174/0x230
<4> [<0000000000190144>] generic_file_buffered_write+0xb4/0x194
<4> [<0000000000190864>] __generic_file_aio_write_nolock+0x418/0x454
<4> [<0000000000190ee2>] generic_file_aio_write+0x76/0xe4
<4> [<000003e0000a05c2>] ext3_file_write+0x3e/0xc8 [ext3]
<4> [<00000000001cc2fe>] do_sync_write+0xd6/0x120
<4> [<00000000001ccfc8>] vfs_write+0xac/0x184
<4> [<00000000001cd218>] SyS_write+0x68/0xe0
<4> [<0000000000113402>] sysc_noemu+0x10/0x16
<4> [<0000020000043188>] 0x20000043188
<4>Last Breaking-Event-Address:
<4> [<00000000001399f0>] tasklet_action+0xc4/0x1d4
<6>qdio: 0.0.c61b ZFCP on SC f67 using AI:1 QEBSM:0 PCI:1 TDD:1 SIGA: W AOP
<4> <0>Kernel panic - not syncing: Fatal exception in interrupt
Use tasklet_kill instead of tasklet_disbale. Since tasklet_schedule must not be
called after tasklet_kill use the QDIO_IRQ_STATE_STOPPED to inidicate that a
queue is going down and prevent further tasklet schedules in that case.
Remove superflous tasklet_schedule from input queue setup, at that time
the queues are not ready so the schedule results in a NOP.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Remove the call to qdio_shutdown from qdio_activate since the upper-layer
drivers are responsible to call qdio_shutdown when qdio_activate returns
with an error.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add a mutex to protect the tiq_list. Although reading the list is done
using RCU adding and removing elements from the list must still
happen locked since multiple qdio devices may change the list in parallel
otherwise.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Subchannel reprobing can block the kslowcrw workqueue indefinitely
while waiting for device recognition to finish which is also scheduled
to run on kslowcrw. Prevent this deadlock by moving the waiting
portion of subchannel reprobing to the cio workqueue.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Remove unused subchannel pointer in io_subchannel_recog_done.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Fix incorrect check for active I/O in interrogate function.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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In some situations a rc in __chsc_do_secm will be overwritten
by another one. This shouldn't do harm since todays callers
don't check for _specific_ errors but fix it for the sake of
correctness.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Writing only spaces to /proc/cio_ignore will cause a buffer overflow
since the size_t value i will not become negative and so buf[-1UL] is
accessed. Change the value of i to ssize_t.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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For a ccw group device unbinding it from its driver should do the
same as a call to ungroup, since this virtual device can not exist
without a driver.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Some sanity checks in the ccw group driver test the output of
container_of macros to be !NULL. Test the input parameters instead.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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In case the ccw group driver refuses to set a device [on|off]line,
we should transmit the return code to the caller.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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MAX_ISC is a valid isc number, so arrays with an index of isc
need to have a length of MAX_ISC+1
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Since some callers rely on for_each_subchannel_staged to not fail,
fall back to brute force scanning using get_subchannel_by_schid in
case of a oom situation.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add barrier to prevent compiler from reloading pointer to irq handler.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The crw_unregister_handler uses xchg + synchronize_sched when
unregistering a crw_handler.
This doesn't protect crw_collect_info to potentially jump to NULL since
it has unlocked code like this:
if (crw_handlers[i])
crw_handlers[i](NULL, NULL, 1);
So add a mutex which protects the crw handler array for changes.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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In case the ccw driver refuses to set a device offline, we should
transmit the return code to the caller.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Use ccw_device_set_notoper() (which also deletes the device
timer and disables the subchannel) instead of simply setting
the state to DEV_STATE_NOT_OPER in the generic not operational
handling code. This prevents unexpected interrupts popping up
for devices that are deemed not operational.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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