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splice currently assumes that try_to_release_page() always suceeds,
but it can return failure. If it does, we cannot steal the page.
Acked-by: Mingming Cao <cmm@us.ibm.com
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Splice isn't always incrementing the ppos correctly, which broke
relay splice.
Signed-off-by: Tom Zanussi <zanussi@comcast.net>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
pciehp: add message about pciehp_slot_with_bus option
pci hotplug core: add check of duplicate slot name
pciehp: move msleep after power off
pciehp: poll cmd completion if hotplug interrupt is disabled
pciehp: fix slow probing
pciehp: fix NULL dereference in interrupt handler
shpchp: add message about shpchp_slot_with_bus option
PCI: don't enable ASPM on devices with mixed PCIe/PCI functions
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Some (broken?) platform assign the same slot name to multiple hotplug
slots. On such system, slot initialization would fail because of name
collision. The pciehp driver already have a "slot_with_bus" module
option which adds the bus number into the slot name. This patch adds
the message about this module option that will be displayed when slot
name collision is detected.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Fix the following errors reported by Jan C. Nordholz in
http://bugzilla.kernel.org/show_bug.cgi?id=10751.
kobject_add_internal failed for 2 with -EEXIST, don't try to register things with the same name in the same directory.
Pid: 1, comm: swapper Tainted: G W 2.6.26-rc3 #1
[<c0266980>] kobject_add_internal+0x140/0x190
[<c0266afd>] kobject_init_and_add+0x2d/0x40
[<c027bc91>] pci_hp_register+0x81/0x2f0
[<c027fd07>] pciehp_probe+0x1a7/0x470
[<c01b3b84>] sysfs_add_one+0x44/0xa0
[<c01b3c1f>] sysfs_addrm_start+0x3f/0xb0
[<c01b497a>] sysfs_create_link+0x8a/0xf0
[<c0279570>] pcie_port_probe_service+0x50/0x80
[<c02e0545>] driver_sysfs_add+0x55/0x70
[<c02e0662>] driver_probe_device+0x82/0x180
[<c02e07cc>] __driver_attach+0x6c/0x70
[<c02dfe0a>] bus_for_each_dev+0x3a/0x60
[<c05db2d0>] pcied_init+0x0/0x80
[<c02e04e6>] driver_attach+0x16/0x20
[<c02e0760>] __driver_attach+0x0/0x70
[<c02e0341>] bus_add_driver+0x1a1/0x220
[<c05db2d0>] pcied_init+0x0/0x80
[<c02e09cd>] driver_register+0x4d/0x120
[<c05db050>] ibm_acpiphp_init+0x0/0x190
[<c0125aab>] printk+0x1b/0x20
[<c05db2d0>] pcied_init+0x0/0x80
[<c05db2de>] pcied_init+0xe/0x80
[<c05c751a>] kernel_init+0x10a/0x300
[<c0120138>] schedule_tail+0x18/0x50
[<c0103b9a>] ret_from_fork+0x6/0x1c
[<c05c7410>] kernel_init+0x0/0x300
[<c05c7410>] kernel_init+0x0/0x300
[<c010485b>] kernel_thread_helper+0x7/0x1c
=======================
pci_hotplug: Unable to register kobject '2'<3>pciehp: pci_hp_register failed with error -22
Slot with the same name can be registered multiple times if shpchp or
pciehp driver is loaded after acpiphp is loaded because ACPI based
hotplug driver and Native OS hotplug driver trying to handle the same
physical slot. In this case, current pci_hotplug core will call
kobject_init_and_add() muliple time with the same name. This is the
cause of this problem. To fix this problem, this patch adds the check
into pci_hp_register() to see if the slot with the same name.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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According to the PCI Express specification, we must wait for at least
1 second after turning power off before taking any action that relies
on power having been removed from the slot/adapter. For this, current
pciehp wait for 1 second after issuing the power off command in
hpc_power_off_slot() function. But waiting for 1 second in
hpc_power_off_slot() can make pciehp probing slow-down because pciehp
probe code calls hpc_power_off_slot() if the slot is not occupied just
in case. We don't need to wait for 1 second at the pciehp probe time
because there is no action on that empty slot. So move 1 second wait
from hpc_power_off_slot() to the caller of hpc_power_off_slot().
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Fix improper long wait for command completion in pciehp probing.
As described in PCI Express specification, software notification is
not generated if the command that occurs as a result of a write to the
Slot Control register that disables software notification of command
completed events. Since pciehp driver doesn't take it into account,
such command is issued in pciehp probing, and it causes improper long
wait for command completion.
This patch changes the pciehp driver to take such command into
account.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Fix the "pciehp probing slow" problem reported from Jan C. Nordholz in
http://bugzilla.kernel.org/show_bug.cgi?id=10751.
The command completed bit in Slot Status register applies only to
commands issued to control the attention indicator, power indicator,
power controller, or electromechanical interlock. However, writes to
other parts of the Slot Control register would end up writing to the
control fields. Hence, any write to Slot Control register is
considered as a command. However, if the controller doesn't support
any of attention indicator, power indicator, power controller and
electromechanical interlock, command completed bit would not set in
writing to Slot Control register. In this case, we should not wait for
command completed bit set, otherwise all commands would be considered
not completed in timeout seconds (1 sec.).
The cause of the problem is pciehp driver didn't take this situation
into account. This patch changes pciehp to take it into account. This
patch also add the check for "No Command Completed Support" bit in
Slot Capability register. If it is set, we should not wait for command
completed bit set as well.
This problem seems to be revealed by the commit
c27fb883dffe11aa4cb35ecea1fa1832ba45d4da that fixed the bug that
pciehp did not wait for command completed properly (pciehp just
ignored the command completion event).
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Fix the following NULL dereference problem reported from Pierre Ossman
and Ingo Molnar.
pciehp: HPC vendor_id 8086 device_id 27d0 ss_vid 0 ss_did 0
pciehp: pciehp_find_slot: slot (device=0x0) not found
BUG: unable to handle kernel NULL pointer dereference at 0000000000000070
IP: [<ffffffff80494a8b>] pciehp_handle_presence_change+0x7e/0x113
PGD 0
Oops: 0000 [1]
CPU 0
Modules linked in:
Pid: 1, comm: swapper Tainted: G W 2.6.26-rc3-sched-devel.git-00001-g2b99b26-dirty #170
RIP: 0010:[<ffffffff80494a8b>] [<ffffffff80494a8b>] pciehp_handle_presence_change+0x7e/0x113
RSP: 0000:ffff81003f83fbb0 EFLAGS: 00010046
RAX: 0000000000000039 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000046
RBP: ffff81003f83fbd0 R08: 0000000000000001 R09: ffffffff80245103
R10: 0000000000000020 R11: 0000000000000000 R12: ffff81003ea53a30
R13: 0000000000000000 R14: 0000000000000011 R15: ffffffff80495926
FS: 0000000000000000(0000) GS:ffffffff80be7400(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000070 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 1, threadinfo ffff81003f83e000, task ffff81003f840000)
Stack: 0000000000000008 ffff81003f83fbf6 ffff81003ea53a30 0000000000000008
ffff81003f83fc10 ffffffff80495ab4 0000000000000011 0000000000000002
0000000000000202 0000000000000202 00000000fffffff4 ffff81003ea53a30
Call Trace:
[<ffffffff80495ab4>] pcie_isr+0x18e/0x1bc
[<ffffffff80260831>] request_irq+0x106/0x12f
[<ffffffff80495fb6>] pcie_init+0x15e/0x6cc
[<ffffffff804933a3>] pciehp_probe+0x64/0x541
[<ffffffff8048f4e7>] pcie_port_probe_service+0x4c/0x76
[<ffffffff8054af70>] driver_probe_device+0xd4/0x1f0
[<ffffffff8054b108>] __driver_attach+0x7c/0x7e
[<ffffffff8054b08c>] ? __driver_attach+0x0/0x7e
[<ffffffff8054a4b6>] bus_for_each_dev+0x53/0x7d
[<ffffffff8054ad3c>] driver_attach+0x1c/0x1e
[<ffffffff8054a9c2>] bus_add_driver+0xdd/0x25b
[<ffffffff80c09d3d>] ? pcied_init+0x0/0x8b
[<ffffffff8054b288>] driver_register+0x5f/0x13e
[<ffffffff80c09d3d>] ? pcied_init+0x0/0x8b
[<ffffffff8048f441>] pcie_port_service_register+0x47/0x49
[<ffffffff80c09d52>] pcied_init+0x15/0x8b
[<ffffffff80bf3938>] kernel_init+0x75/0x243
[<ffffffff808639d2>] ? _spin_unlock_irq+0x2b/0x3a
[<ffffffff80228d1f>] ? finish_task_switch+0x57/0x9a
[<ffffffff8020c258>] child_rip+0xa/0x12
[<ffffffff8020bcec>] ? restore_args+0x0/0x30
[<ffffffff80bf38c3>] ? kernel_init+0x0/0x243
[<ffffffff8020c24e>] ? child_rip+0x0/0x12
Code: 83 80 00 00 00 48 39 f0 75 e1 0f b6 c9 48 c7 c2 00 0e 8d 80 48 c7 c6 8a 60 a6 80 48 c7 c7 10 db a8 80 31 c0 e8 3f 8d d9 ff 31 db <48> 8b 43 70 48 8d 75 ef 48 89 df ff 50 30 80 7d ef 00 74 37 48
RIP [<ffffffff80494a8b>] pciehp_handle_presence_change+0x7e/0x113
RSP <ffff81003f83fbb0>
CR2: 0000000000000070
Kernel panic - not syncing: Fatal exception
The situation under which it occurs is hw and timing related: it appears
to happen on a system that has PCI hotplug hardware but with no active
hotplug cards, and another interrupt in the same (shared) IRQ line
arrives too early, before the hotplug-slot entry has been set up - as
triggered by CONFIG_DEBUG_SHIRQ=y:
This patch contains the following two fixes.
(1) Clear all events bits in Slot Status register to prevent the pciehp
driver from detecting the spurious events that would have been occur
before pciehp loading.
(2) Add check whether slot initialization had been already done.
This is short term fix. We need more structural fixes to install
interrupt handler after slot initialization is done.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Some (broken?) platform assign the same slot name to multiple hotplug
slots. On such system, slot initialization would fail because of name
collision. The shpchp driver already have a "slot_with_bus" module
option which adds the bus number into the slot name. This patch adds
the message about this module option that will be displayed when slot
name collision is detected.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
avr32: Fix cpufreq oops when ondemand governor is default
avr32: Update defconfigs
avr32: export strnlen_user
avr32: export copy_page
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There's a reason why using C99 initialisers even in the supposedly
trivial structs is a good idea.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move the AP7 cpufreq init to late_initcall() so that we don't try to
bring up cpufreq until the governor is ready. x86 also uses
late_initcall() for this.
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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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>
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Currently sigqueue_free() removes sigqueue from list, but doesn't cancel the
pending signal. This is not consistent, the task should either receive the
"full" signal along with siginfo_t, or it shouldn't receive the signal at all.
Change sigqueue_free() to clear SIGQUEUE_PREALLOC but leave sigqueue on list
if it is queued.
This is a user-visible change. If the signal is blocked, it stays queued
after sys_timer_delete() until unblocked with the "stale" si_code/si_value,
and of course it is still counted wrt RLIMIT_SIGPENDING which also limits
the number of posix timers.
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>
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* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
i2c: Align i2c_device_id
tuner: Do not alter i2c_client.name
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git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
slub: ksize() abuse checks
slob: Fix to return wrong pointer
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.26:
sh: Drop broken URAM support on SH7723.
sh: update Migo-R defconfig
sh: use sm501 8250 mfd support on r2d boards
sh: add probe support for new sh7723 cut
sh: fix VPU interrupt vector for sh7723
sh: fix USBF resource for sh7722
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: global_reg_snapshot is not for userspace
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* 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
...
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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>
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The tuner driver used to change i2c_client.name for its own needs, but
it really shouldn't, as this field is used by i2c-core to do the
device/driver matching. So, create and use a separate field for the
tuner driver needs.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Just provide reasonable defaults for the new stuff. Tickless and
hrtimers are turned on for all boards except ATSTK1004.
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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This patch fixes the following build error:
<-- snip -->
...
MODPOST 1327 modules
ERROR: "strnlen_user" [drivers/input/misc/uinput.ko] undefined!
...
make[2]: *** [__modpost] Error 1
<-- snip -->
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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This patch fixes the following build error:
<-- snip -->
...
MODPOST 61 modules
ERROR: "copy_page" [fs/fuse/fuse.ko] undefined!
...
make[2]: *** [__modpost] Error 1
<-- snip -->
Also add an empty line since *_page aren't "String functions".
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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global_reg_snapshot shouldn't be visible in our userspace headers.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This was copied over from the previous MobileR bits, which doesn't
apply to R2. The URAM block on R2 is recycled for the L2 instead.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
Kconfig: introduce ARCH_DEFCONFIG to DEFCONFIG_LIST
.gitignore: match ncscope.out
scripts/ver_linux use 'gcc -dumpversion'
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] Add ICH9DO into the iTCO_wdt.c driver
[WATCHDOG] Fix booke_wdt.c on MPC85xx SMP system's
[WATCHDOG] Add a watchdog driver based on the CS5535/CS5536 MFGPT timers
[WATCHDOG] hpwdt: Fix NMI handling.
[WATCHDOG] Blackfin Watchdog Driver: split platform device/driver
[WATCHDOG] Add w83697h_wdt early_disable option
[WATCHDOG] Make w83697h_wdt timeout option string similar to others
[WATCHDOG] Make w83697h_wdt void-like functions void
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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:
[ALSA] hda - Fix capture mute Widget for stac9250/9251
[ALSA] snd-pcsp - fix pcsp_treble_info() to honour an item number
[ALSA] hda - Added support for Foxconn P35AX-S mainboard
[ALSA] hda - Fix COEF and EAPD in ALC889 auto-configuration mode
[ALSA] hda - Fix noise on VT1708 codec
[ALSA] hda - Add model for ASUS P5K-E/WIFI-AP
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init/Kconfig contains a list of configs that are searched
for if 'make *config' are used with no .config present.
Extend this list to look at the config identified by
ARCH_DEFCONFIG.
With this change we now try the defconfig targets last.
This fixes a regression reported
by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
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Sometimes I got this:
$ git-status
{snip}
# On branch master
# Untracked files:
# (use "git add <file>..." to include in what will be committed)
#
# ncscope.out
nothing added to commit but untracked files present (use "git add"
to track)
Fix it.
Signed-off-by: Jike Song <albcamus@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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These magic greps and hacks in ver_linux to get the gcc version always break after some gcc releases.
Since now gcc >4.3 allows compiling with '--with-pkgversion' ( which can be everything 'My Cool Gcc' or something )
ver_linux will report random junk for these.
Simply use 'gcc -dumpversion' to get the gcc version which should always work.
Signed-off-by: Gabriel C <nix.or.die@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Fix capture mute widget for STAC9250/9251 codecs. The widget 0x09
has no mute but 0x14 does actually.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This solves the problem with mixers wrongly displaying the PWM freq.
Signed-off-by: Stas Sergeev <stsp@aknet.ru>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add the Intel ICH9DO controller ID's for the iTCO_wdt kernel driver and bump
the driver version.
Tested on an P5E-VM DO ASUS motherboard.
Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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On Book-E SMP systems each core has its own private watchdog. If only one
watchdog is enabled, when the core that doesn't enable the watchdog is hung,
system can't reset because no watchdog is running on it. That's bad. It
means we must enable watchdogs on both cores.
We can use smp_call_function() to send appropriate messages to all the other
cores to enable and update the watchdog.
Signed-off-by: Chen Gong <g.chen@freescale.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Add a watchdog timer based on the MFGPT timers in the CS5535/CS5536
companion chips to the AMD Geode GX and LX processors. Only caveat
is that the BIOS must provide at least a one free timer, and most
do not.
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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I need to just return in case it's not my NMI so someone else can take a look
at it (and reset die_nmi_called to 0 in case I actually do get one that's mine
to handle).
Signed-off-by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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- split platform device/driver registering from actual watchdog device/driver
registering so that we can cleanly load/unload
- fixup __initdata with __initconst and __devinitdata with __devinitconst
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Pádraig Brady requested the possibility of not disabling the watchdog
at module load time or kernel boot time if it had been previously enabled
in the bios. It may help rebooting the machine if it freezes before the
userland daemon kicks in.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Cc: Pádraig Brady <P@draigBrady.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Some non-exported functions always returned 0. Mark them void instead.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip:
x86: prevent PGE flush from interruption/preemption
x86: use explicit copy in vdso_gettimeofday()
namespacecheck: automated fixes
x86/xen: fix arbitrary_virt_to_machine()
x86: don't read maxlvt before checking if APIC is mapped
x86: disable TSC for sched_clock() when calibration failed
x86: distangle user disabled TSC from unstable
x86: fix setup of cyc2ns in tsc_64.c
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] integrator: fix build warnings and errors
[ARM] fix OMAP include loops
Revert "[ARM] pxa: spitz wants PXA27x UDC definitions"
[ARM] 5053/1: define before use of processor_id
[ARM] 5052/1: export clock functions for the at91x40
[ARM] 5051/1: define pgtable_t for the !CONFIG_MMU case too
[ARM] omap: fix omap clk support build errors
[ARM] 5039/1: S3C244X: Rename SDI device if running on S3C244X.
[ARM] 5043/1: pxafb: remove unused mode variable in pxafb_init_fbinfo
[ARM] 5041/1: VR1000: Fix DM9000 IRQ flags initialisation
[ARM] 5040/1: BAST: Fix DM9000 IRQ flags initialisation
[ARM] 5038/1: ARM: OMAP: Remove tsc2102 references from board-palmte.c
[ARM] 5025/2: fix collie cpu initialisation
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Somehow the spidev code forgot to include a critical mechanism: when the
underlying device is removed (e.g. spi_master rmmod), open file
descriptors must be prevented from issuing new I/O requests to that
device. On penalty of the oopsing reported by Sebastian Siewior
<bigeasy@tglx.de> ...
This is a partial fix, adding handshaking between the lower level (SPI
messaging) and the file operations using the spi_dev. (It also fixes an
issue where reads and writes didn't return the number of bytes sent or
received.)
There's still a refcounting issue to be addressed (separately).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Reported-by: Sebastian Siewior <bigeasy@tglx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is a slight change in the namespace cgroup subsystem api.
The change is that previously when cgroup_clone() was called (currently
only from the unshare path in ns_proxy cgroup, you'd get a new group named
"node_$pid" whereas now you'll get a group named after just your pid.)
The only users who would notice it are those who are using the ns_proxy
cgroup subsystem to auto-create cgroups when namespaces are unshared -
something of an experimental feature, which I think really needs more
complete container/namespace support in order to be useful. I suspect the
only users are Cedric and Serge, or maybe a few others on
containers@lists.linux-foundation.org. And in fact it would only be
noticed by the users who make the assumption about how the name is
generated, rather than getting it from the /proc/<pid>/cgroups file for
the process in question.
Whether the change is actually needed or not I'm fairly agnostic on, but I
guess it is more elegant to just use the pid as the new group name rather
than adding a fairly arbitrary "node_" prefix on the front.
[menage@google.com: provided changelog]
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Cc: "Paul Menage" <menage@google.com>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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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>
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Fix the following build error:
ERROR: "empty_zero_page" [fs/ext4/ext4dev.ko] undefined!
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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