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This simplifies the node awareness of the code. All our allocators
only deal with a NUMA node ID locality not with CPU ids anyway - so
there's no need to maintain (and transform) a CPU id all across the
IRq layer.
v2: keep move_irq_desc related
[ Impact: cleanup, prepare IRQ code to be NUMA-aware ]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
LKML-Reference: <49F65536.2020300@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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according to Ingo, change set_affinity() in irq_chip should return int,
because that way we can handle failure cases in a much cleaner way, in
the genirq layer.
v2: fix two typos
[ Impact: extend API ]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-arch@vger.kernel.org
LKML-Reference: <49F654E9.4070809@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The maple mouse driver currently in mainline is broken:
bash-3.1# modprobe maplemouse
[ 56.886378] input: Dreamcast Mouse as /devices/virtual/input/input3
[ 56.918379] Unable to handle kernel NULL pointer dereference at virtual address 00000004
[ 56.930543] pc = c003304e
[ 56.934973] *pde = 00000000
[ 56.944948] Oops: 0000 [#1]
[ 56.947867] Modules linked in: maplemouse(+)
[ 56.952353]
[ 56.953921] Pid : 1157, Comm: \0x09\0x09modprobe
[ 56.958021] CPU : 0 \0x09\0x09Not tainted (2.6.30-rc2-00130-g3e98f9f #1)
[ 56.958052]
[ 56.966567] PC is at dc_mouse_open+0xe/0x40 [maplemouse]
[ 56.972125] PR is at input_open_device+0x8a/0xc0
[ 56.976944] PC : c003304e SP : 8c88bdcc SR : 40008100 TEA : c0033834
[ 56.983854] R0 : 000006c4 R1 : 00000000 R2 : 40008101 R3 : 00000000
[ 56.990744] R4 : 8c8db800 R5 : c0033080 R6 : 00000005 R7 : 00000200
[ 56.997635] R8 : 8c8db800 R9 : 8c8dbe3c R10 : 00000000 R11 : 8c98881c
[ 57.004525] R12 : 8c8dbe64 R13 : 8ca50140 R14 : 8c88bdd4
[ 57.010063] MACH: 00000497 MACL: 00000348 GBR : 29674440 PR : 8c1b4d0a
[ 57.016939]
...
Here is a fix for this, keeping an open and close, so reducing
the load on the system when the mouse is not in use, and also properly
referencing the maple device buffer following the recent update.
Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The virtio-rng drivers checks for spurious callbacks. Since
callbacks can be implemented via shared interrupts (e.g. PCI) this
could lead to guest kernel oopses with lots of virtio devices.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (34 commits)
ACPI, i915: Register ACPI video even when not modesetting
Revert "ACPICA: delete check for AML access to port 0x81-83"
I/O port protection: update for windows compatibility.
sony-laptop: always try to unblock rfkill on load
sony-laptop: fix bogus error message display on resume
ACPI: EC: Fix ACPI EC resume non-query interrupt message
sony-laptop: SNC input event 38 fix
sony-laptop: SNC 127 Initialization Fix
sony-laptop: Duplicate SNC 127 Event Fix
ACPI: prevent processor.max_cstate=0 boot crash
ACPI/hpet: prevent boot hang when hpet=force used on ICH-4M
ACPI: delete obsolete "bus master activity" proc field
ACPI: idle: mark_tsc_unstable() at init-time, not run-time
ACPI: add /sys/firmware/acpi/interrupts/sci_not counter
ACPI video: fix an error when the brightness levels on AC and on Battery are same
acpi-cpufreq: Do not let get_measured perf depend on internal variable
acpi-cpufreq: style-only: add parens to math expression
acpi-cpufreq: Cleanup: Use printk_once
x86, acpi_cpufreq: Fix the NULL pointer dereference in get_measured_perf
thinkpad-acpi: bump up version to 0.23
...
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5460/1: Orion: reduce namespace pollution
[ARM] 5458/1: pcmcia: pxa2xx-sharpsl: check if we do have Scoop config
[ARM] 5457/1: mach-imx gpio buildfix
[ARM] 5456/1: add sys_preadv and sys_pwritev
[ARM] pxa/pcm990: start external GPIOs immediately after built-in ones
[ARM] pxa/palm27x: General fix for Palm27x aSoC driver
[ARM] pxa/mioa701: use GPIO95 as AC97 reset line
[ARM] pxa: merge AC97 platform data structures
[ARM] pxa/magician: remove un-necessary #include of pxa-regs.h and hardware.h
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: pwc : do not pass stack allocated buffers to USB core.
USB: otg: Fix bug on remove path without transceiver
USB: correct error handling in cdc-wdm
USB: removal of tty->low_latency hack dating back to the old serial code
USB: serial: sierra driver bug fix for composite interface
USB: gadget: omap_udc uses platform_driver_probe()
USB: ci13xxx_udc: fix build error
USB: musb: Prevent multiple includes of musb.h
USB: pass mem_flags to dma_alloc_coherent
USB: g_file_storage: fix use-after-free bug when closing files
USB: ehci-sched.c: EHCI SITD scheduling bugfix
USB: fix mos7840 problem with minor numbers
USB: mos7840: add new device id
USB: musb: fix build when !CONFIG_PM
USB: musb: Remove my email address from few musb related drivers
USB: Gadget: MIPS CI13xxx UDC bugfixes
USB: Unusual Device support for Gold MP3 Player Energy
USB: serial: fix lifetime and locking problems
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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: Update defconfigs for 2.6.30-rc3
m68k,m68knommu: Wire up preadv and pwritev
scsi: a4000 - Correct driver unregistration in case of failure
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] update default configuration.
[S390] omit frame pointers on s390 when possible
[S390] Use tape_generic_offline directly.
[S390] /proc/stat idle field for idle cpus
[S390] appldata: avoid deadlock with appldata_mem
[S390] ipl: fix compile breakage
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git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
MAINTAINERS: update IDE entry
palm_bk3710: palm_bk3710_udmatimings[] CodingStyle fixup
palm_bk3710: those registers/bitfields don't exist
mediabay: fix build for CONFIG_BLOCK=n
ide: Stop disks on reboot for laptop which cuts power
ide-cd: fix kernel crash on hppa regression
palm_bk3710: UDMA performance fix
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The release path for a disconnected device frees the object then unlocks
the mutex in the freed object...
Found by Dan Carpenter using Smatch
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove my name and emailaddress from note in the source. Wincor Nixdorf
only has some ITE-chips on their mainboards, other chips are not
available for me for testing.
Signed-off-by: Niels de Vos <niels.devos@wincor-nixdorf.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Wrong types on IRQ handler
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
cfq-iosched: cache prio_tree root in cfqq->p_root
cfq-iosched: fix bug with aliased request and cooperation detection
cfq-iosched: clear ->prio_trees[] on cfqd alloc
block: fix intermittent dm timeout based oops
umem: fix request_queue lock warning
block: simplify I/O stat accounting
pktcdvd.h should include mempool.h
cfq-iosched: use the default seek distance when there aren't enough seek samples
cfq-iosched: make seek_mean converge more quickly
block: make blk_abort_queue() ignore non-request based devices
block: include empty disks in /proc/diskstats
bio: use bio_kmalloc() in copy/map functions
bio: fix bio_kmalloc()
block: fix queue bounce limit setting
block: fix SG_IO vector request data length handling
scatterlist: make sure sg_miter_next() doesn't return 0 sized mappings
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (94 commits)
netfilter: ctnetlink: fix gcc warning during compilation
net/netrom: Fix socket locking
netlabel: Always remove the correct address selector
ucc_geth.c: Fix upsmr setting in RMII mode
8139too: fix HW initial flow
af_iucv: Fix race when queuing incoming iucv messages
af_iucv: Test additional sk states in iucv_sock_shutdown
af_iucv: Reject incoming msgs if RECV_SHUTDOWN is set
af_iucv: fix oops in iucv_sock_recvmsg() for MSG_PEEK flag
af_iucv: consider state IUCV_CLOSING when closing a socket
iwlwifi: DMA fixes
iwlwifi: add debugging for TX path
mwl8: fix build warning.
mac80211: fix alignment calculation bug
mac80211: do not print WARN if config interface
iwl3945: use cancel_delayed_work_sync to cancel rfkill_poll
iwlwifi: fix EEPROM validation mask to include OTP only devices
atmel: fix netdev ops conversion
pcnet_cs: add cis(firmware) of the Allied Telesis LA-PCM
mlx4_en: Fix cleanup if workqueue create in mlx4_en_add() fails
...
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
powerpc: Fix modular build of ide-pmac when mediabay is built in
powerpc/pasemi: Fix build error on UP
powerpc: Make macintosh/mediabay driver depend on CONFIG_BLOCK
maintainers: Fix PS3 patterns
powerpc/ps3: Fix CONFIG_PS3_FLASH=n build warning
powerpc/32: Don't clobber personality flags on exec
powerpc: Fix crash on CPU hotplug
powerpc/85xx: Remove defconfigs that mpc85xx_{smp_}defconfig cover
powerpc/85xx: Added SMP defconfig
powerpc/85xx: Enabled a bunch of FSL specific drivers/options
powerpc/85xx: Updated generic mpc85xx_defconfig
powerpc: don't disable SATA interrupts on Freescale MPC8610 HPCD
fsl_rio: Pass the proper device to dma mapping routines
powerpc: Fix of_node_put() exit path in of_irq_map_one()
powerpc/5200: defconfig updates
powerpc/5200: Add FLASH nodes to lite5200 device tree
powerpc/device-tree: Document MTD nodes with multiple "reg" tuples
powerpc/of-device-tree: Factor MTD physmap bindings out of booting-without-of
powerpc/5200: Bring the legacy fsl_spi_platform_data hooks back
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The umem driver issues two warnings on boot, due to blk_plug_device() and
blk_remove_plug() being called without q->queue_lock held. Starting with
e48ec690 (block: extend queue_flag bitops), the queue_flag_* functions
warn if q->queue_lock doesn't appear to be locked. In fact, q->queue_lock
is NULL (though that apparently isn't otherwise a problem as the driver is
using card->lock for everything).
Although blk_init_queue() with take a request_fn_proc and spinlock_t*,
there isn't a corresponding init helper that takes a make_request_fn.
Setting queue_lock to &card->lock explicitly seems to work fine for me.
The warning goes away and the device appears to behave.
[ 1.531881] v2.3 : Micro Memory(tm) PCI memory board block driver
[ 1.538136] umem 0000:02:01.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
[ 1.545018] umem 0000:02:01.0: Micro Memory(tm) controller found (PCI Mem Module (Battery Backup))
[ 1.554176] umem 0000:02:01.0: CSR 0xfc9ffc00 -> 0xffffc200013d0c00 (0x100)
[ 1.561279] umem 0000:02:01.0: Size 1048576 KB, Battery 1 Disabled (FAILURE), Battery 2 Disabled (FAILURE)
[ 1.571114] umem 0000:02:01.0: Window size 16777216 bytes, IRQ 20
[ 1.577304] umem 0000:02:01.0: memory NOT initialized. Consider over-writing whole device.
[ 1.585989] umema:<4>------------[ cut here ]------------
[ 1.591775] WARNING: at include/linux/blkdev.h:492 blk_plug_device+0x6d/0x106()
[ 1.592025] Hardware name: H8SSL
[ 1.592025] Modules linked in:
[ 1.592025] Pid: 1, comm: swapper Not tainted 2.6.29 #8
[ 1.592025] Call Trace:
[ 1.592025] [<ffffffff8023c994>] warn_slowpath+0xd3/0xf2
[ 1.592025] [<ffffffff8025a5b5>] ? save_trace+0x3f/0x9b
[ 1.592025] [<ffffffff8025a68b>] ? add_lock_to_list+0x7a/0xba
[ 1.592025] [<ffffffff8025e609>] ? validate_chain+0xb3b/0xce8
[ 1.592025] [<ffffffff80441556>] ? mm_make_request+0x27/0x59
[ 1.592025] [<ffffffff80441556>] ? mm_make_request+0x27/0x59
[ 1.592025] [<ffffffff8025ef04>] ? __lock_acquire+0x74e/0x7b9
[ 1.592025] [<ffffffff8025a70e>] ? get_lock_stats+0x34/0x5e
[ 1.592025] [<ffffffff8025a746>] ? put_lock_stats+0xe/0x27
[ 1.592025] [<ffffffff80441556>] ? mm_make_request+0x27/0x59
[ 1.592025] [<ffffffff803ad165>] blk_plug_device+0x6d/0x106
[ 1.592025] [<ffffffff80441575>] mm_make_request+0x46/0x59
[ 1.592025] [<ffffffff803ac2d9>] generic_make_request+0x335/0x3cf
[ 1.592025] [<ffffffff8027fcc7>] ? mempool_alloc_slab+0x11/0x13
[ 1.592025] [<ffffffff8027fdce>] ? mempool_alloc+0x45/0x101
[ 1.592025] [<ffffffff8025a746>] ? put_lock_stats+0xe/0x27
[ 1.592025] [<ffffffff803adda5>] submit_bio+0x10a/0x119
[ 1.592025] [<ffffffff802c8d00>] submit_bh+0xe5/0x109
[ 1.592025] [<ffffffff802cbf43>] block_read_full_page+0x2aa/0x2cb
[ 1.592025] [<ffffffff802cf4c4>] ? blkdev_get_block+0x0/0x4c
[ 1.592025] [<ffffffff805c90a8>] ? _spin_unlock_irq+0x36/0x51
[ 1.592025] [<ffffffff80286836>] ? __lru_cache_add+0x92/0xb2
[ 1.592025] [<ffffffff802cf008>] blkdev_readpage+0x13/0x15
[ 1.592025] [<ffffffff8027de06>] read_cache_page_async+0x90/0x134
[ 1.592025] [<ffffffff802ceff5>] ? blkdev_readpage+0x0/0x15
[ 1.592025] [<ffffffff802f5f1c>] ? adfspart_check_ICS+0x0/0x16c
[ 1.592025] [<ffffffff8027deb8>] read_cache_page+0xe/0x45
[ 1.592025] [<ffffffff802f5170>] read_dev_sector+0x2e/0x93
[ 1.592025] [<ffffffff802f5f44>] adfspart_check_ICS+0x28/0x16c
[ 1.592025] [<ffffffff8025d427>] ? trace_hardirqs_on+0xd/0xf
[ 1.592025] [<ffffffff802f5f1c>] ? adfspart_check_ICS+0x0/0x16c
[ 1.592025] [<ffffffff802f59c5>] rescan_partitions+0x168/0x2fb
[ 1.592025] [<ffffffff802ceae9>] __blkdev_get+0x259/0x336
[ 1.592025] [<ffffffff803ca1e2>] ? kobject_put+0x47/0x4b
[ 1.592025] [<ffffffff802cebd1>] blkdev_get+0xb/0xd
[ 1.592025] [<ffffffff802f5773>] register_disk+0xc4/0x12b
[ 1.592025] [<ffffffff803b2a7b>] add_disk+0xc3/0x12d
[ 1.592025] [<ffffffff808a1d4a>] ? mm_init+0x0/0x1a5
[ 1.592025] [<ffffffff808a1e73>] mm_init+0x129/0x1a5
[ 1.592025] [<ffffffff808a1d4a>] ? mm_init+0x0/0x1a5
[ 1.592025] [<ffffffff80209056>] _stext+0x56/0x130
[ 1.592025] [<ffffffff80274932>] ? register_irq_proc+0xae/0xca
[ 1.592025] [<ffffffff802f0000>] ? proc_pid_lookup+0xb4/0x18b
[ 1.592025] [<ffffffff8087f975>] kernel_init+0x132/0x18b
[ 1.592025] [<ffffffff8020d17a>] child_rip+0xa/0x20
[ 1.592025] [<ffffffff8020cb40>] ? restore_args+0x0/0x30
[ 1.592025] [<ffffffff8087f843>] ? kernel_init+0x0/0x18b
[ 1.592025] [<ffffffff8020d170>] ? child_rip+0x0/0x20
[ 1.592025] ---[ end trace 7150b3b86da74e1e ]---
[ 1.889858] ------------[ cut here ]------------[ve_plug+0x5f/0x91()
[ 1.893848] Hardware name: H8SSL
[ 1.893848] Modules linked in:
[ 1.893848] Pid: 1, comm: swapper Tainted: G W 2.6.29 #8
[ 1.893848] Call Trace:
[ 1.893848] [<ffffffff8023c994>] warn_slowpath+0xd3/0xf2
[ 1.893848] [<ffffffff805c8411>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 1.893848] [<ffffffff8020cb40>] ? restore_args+0x0/0x30
[ 1.893848] [<ffffffff80254245>] ? __atomic_notifier_call_chain+0x0/0xb2
[ 1.893848] [<ffffffff805c90a3>] ? _spin_unlock_irq+0x31/0x51
[ 1.893848] [<ffffffff805c90bf>] ? _spin_unlock_irq+0x4d/0x51
[ 1.893848] [<ffffffff8044157d>] ? mm_make_request+0x4e/0x59
[ 1.893848] [<ffffffff8025a70e>] ? get_lock_stats+0x34/0x5e
[ 1.893848] [<ffffffff8025a75d>] ? put_lock_stats+0x25/0x27
[ 1.893848] [<ffffffff80441504>] ? mm_unplug_device+0x25/0x50
[ 1.893848] [<ffffffff803acf23>] blk_remove_plug+0x5f/0x91
[ 1.893848] [<ffffffff8044150f>] mm_unplug_device+0x30/0x50
[ 1.893848] [<ffffffff803ab74a>] blk_unplug+0x78/0x7d
[ 1.893848] [<ffffffff803ab75c>] blk_backing_dev_unplug+0xd/0xf
[ 1.893848] [<ffffffff802c853c>] block_sync_page+0x4a/0x4c
[ 1.893848] [<ffffffff8027da1c>] sync_page+0x44/0x4d
[ 1.893848] [<ffffffff805c66fd>] __wait_on_bit_lock+0x42/0x8a
[ 1.893848] [<ffffffff8027d9d8>] ? sync_page+0x0/0x4d
[ 1.893848] [<ffffffff8027d9c4>] __lock_page+0x64/0x6b
[ 1.893848] [<ffffffff802508db>] ? wake_bit_function+0x0/0x2a
[ 1.893848] [<ffffffff8027de4a>] read_cache_page_async+0xd4/0x134
[ 1.893848] [<ffffffff802ceff5>] ? blkdev_readpage+0x0/0x15
[ 1.893848] [<ffffffff802f5f1c>] ? adfspart_check_ICS+0x0/0x16c
[ 1.893848] [<ffffffff8027deb8>] read_cache_page+0xe/0x45
[ 1.893848] [<ffffffff802f5170>] read_dev_sector+0x2e/0x93
[ 1.893848] [<ffffffff802f5f44>] adfspart_check_ICS+0x28/0x16c
[ 1.893848] [<ffffffff8025d427>] ? trace_hardirqs_on+0xd/0xf
[ 1.893848] [<ffffffff802f5f1c>] ? adfspart_check_ICS+0x0/0x16c
[ 1.893848] [<ffffffff802f59c5>] rescan_partitions+0x168/0x2fb
[ 1.893848] [<ffffffff802ceae9>] __blkdev_get+0x259/0x336
[ 1.893848] [<ffffffff803ca1e2>] ? kobject_put+0x47/0x4b
[ 1.893848] [<ffffffff802cebd1>] blkdev_get+0xb/0xd
[ 1.893848] [<ffffffff802f5773>] register_disk+0xc4/0x12b
[ 1.893848] [<ffffffff803b2a7b>] add_disk+0xc3/0x12d
[ 1.893848] [<ffffffff808a1d4a>] ? mm_init+0x0/0x1a5
[ 1.893848] [<ffffffff808a1e73>] mm_init+0x129/0x1a5
[ 1.893848] [<ffffffff808a1d4a>] ? mm_init+0x0/0x1a5
[ 1.893848] [<ffffffff80209056>] _stext+0x56/0x130
[ 1.893848] [<ffffffff80274932>] ? register_irq_proc+0xae/0xca
[ 1.893848] [<ffffffff802f0000>] ? proc_pid_lookup+0xb4/0x18b
[ 1.893848] [<ffffffff8087f975>] kernel_init+0x132/0x18b
[ 1.893848] [<ffffffff8020d17a>] child_rip+0xa/0x20
[ 1.893848] [<ffffffff8020cb40>] ? restore_args+0x0/0x30
[ 1.893848] [<ffffffff8087f843>] ? kernel_init+0x0/0x18b
[ 1.893848] [<ffffffff8020d170>] ? child_rip+0x0/0x20
[ 1.893848] ---[ end trace 7150b3b86da74e1f ]---
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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The ACPI video driver defers registration to the i915 driver if the
system supports opregion-mediated backlight control. This registration
was only being performed in the KMS case. Ensure it's done even if we
don't have modesetting enabled.
http://bugzilla.kernel.org/show_bug.cgi?id=13048
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This reverts commit fdbdc7fc79c02ae4ede869d514179a2c65633d28.
That temporary quick-fix is no longer necessary,
as the previous patch, a65131e942e25c707a652fa4ec2cfcd8b63fec11,
"I/O port protection: update for windows compatibility"
should handle this issue for all ports, including this one.
Signed-off-by: Len Brown <len.brown@intel.com>
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For windows compatibility,
1) On a port protection violation, simply ignore the request and
do not return an exception (allow the control method to continue execution.)
2) If only part of the request overlaps a protected port,
read/write the individual ports that are not protected.
http://bugzilla.kernel.org/show_bug.cgi?id=13036
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This fixes an inconsistent behaviour when loading the driver with the
switch on or off. In the former case you would also need to soft unblock
the switch via the sysfs file entries to really disable rfkill, in the
latter you wouldn't.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Cc: Matthias Welwarsky <matze@welwarsky.de>
Acked-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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sony_backlight_update_status returns 0 on success -1 on failure (i.e.: the
return value from acpi_callsetfunc. The return value in the resume path
was broken and thus always displaying a bogus warning about not being able
to restore the brightness level.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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When resuming from standby (on a laptop) I see the following message in
my kernel.log:
"ACPI: EC: non-query interrupt received, switching to interrupt mode"
This apparently prevented sony-laptop to properly restore the brightness
level on resume.
The cause: In drivers/acpi/ec.c the acpi_ec_suspend function clears the
GPE mode bit, but this is not restored in acpi_ec_resume (the function
below it). The patch below fixes this by properly restoring the GPE_MODE
bit. Tested and confirmed to work.
Signed-off-by: Almer S. Tigelaar <almer@gnome.org>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fixes the "unknown input event 38" messages. ANYBUTTON_RELEASED is now
treated the same way as FN_KEY_RELEASED.
Signed-off-by: Almer S. Tigelaar <almer@gnome.org>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fixes additional special key initialization for SNC 127 key events.
Verified / tested on a Sony VAIO SR model.
Signed-off-by: Almer S. Tigelaar <almer@gnome.org>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fixes a duplicate mapping in the SNC sony_127_events structure.
Signed-off-by: Almer S. Tigelaar <almer@gnome.org>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
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As processor.max_cstate is an init-time-only modparam,
sanity checking it at init-time is sufficient.
http://bugzilla.kernel.org/show_bug.cgi?id=13142
Signed-off-by: Len Brown <len.brown@intel.com>
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Linux tells ICH4 users that they can (manually) invoke
"hpet=force" to enable the undocumented ICH-4M HPET.
The HPET becomes available for both clocksource and clockevents.
But as of ff69f2bba67bd45514923aaedbf40fe351787c59
(acpi: fix of pmtimer overflow that make Cx states time incorrect)
the HPET may be used via clocksource for idle accounting, and
hpet=force on an ICH4 box hangs boot.
It turns out that touching the MMIO HPET withing
the ARB_DIS part of C3 will hang the hardware.
The fix is to simply move the timer access outside
the ARB_DIS region. This is a no-op on modern hardware
because ARB_DIS is no longer used.
http://bugzilla.kernel.org/show_bug.cgi?id=13087
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Symbols like SOFT_RESET are way too generic to be exported at large.
To avoid this, let's move the mbus bridge register defines into a
separate file and include it where needed. This affects mach-kirkwood,
mach-loki, mach-mv78xx0 and mach-orion5x simultaneously as they all
share code in plat-orion which relies on those defines.
Some other defines have been moved to narrower scopes, or simply deleted
when they had no user.
This fixes compilation problem with mpt2sas on the above listed
platforms.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Check if we really have Scoop config, otherwice we can get a nice Oops
during probe.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This is causes problems on platforms that have alignment requirements
for DMA transfers.
Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In the case where a gadget driver is removed while no
transceiver was found at probe time, a bug in
otg_put_transceiver() will trigger.
Provide symetric calls for otg_get_transceiver() and
otg_put_transceiver(), wherever a transceiver was found or
not.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch to cdc-wdm
- checks for partial extra descriptors
- fixes a leak in the error case of probe
- checks for an exact number of endpoints
- adds a clarifying comment
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This removes tty->low_latency from all USB serial drivers that push
data into the tty layer at hard interrupt context. It's no longer needed
and actually harmful.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes a problem in sierra_send_setup() function when
composite devices are used. One should not be sending ACM commands to
interfaces that are OBEX. Doing this causes an apparent failure as the
ACM command has to time out before the interface can start being used.
Signed-off-by: Elina Pasheva <epasheva@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We now have a more correct solution for shrinking runtime driver
footprints than just marking probe() as __init ... use it.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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