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Add a xen_emul_unplug command line option to the kernel to unplug
xen emulated disks and nics.
Set the default value of xen_emul_unplug depending on whether or
not the Xen PV frontends and the Xen platform PCI driver have
been compiled for this kernel (modules or built-in are both OK).
The user can specify xen_emul_unplug=ignore to enable PV drivers on HVM
even if the host platform doesn't support unplug.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Use xen_vcpuop_clockevent instead of hpet and APIC timers as main
clockevent device on all vcpus, use the xen wallclock time as wallclock
instead of rtc and use xen_clocksource as clocksource.
The pv clock algorithm needs to work correctly for the xen_clocksource
and xen wallclock to be usable, only modern Xen versions offer a
reliable pv clock in HVM guests (XENFEAT_hvm_safe_pvclock).
Using the hpet as clocksource means a VMEXIT every time we read/write to
the hpet mmio addresses, pvclock give us a better rating without
VMEXITs. Same goes for the xen wallclock and xen_vcpuop_clockevent
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Don Dutile <ddutile@redhat.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Don't break the assumption that the first 16 irqs are ISA irqs;
make sure that the irq is actually free before using it.
Use dynamic_irq_init_keep_chip_data instead of
dynamic_irq_init so that chip_data is not NULL (a NULL chip_data breaks
setup_vector_irq).
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Suspend/resume requires few different things on HVM: the suspend
hypercall is different; we don't need to save/restore memory related
settings; except the shared info page and the callback mechanism.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Add the xen pci platform device driver that is responsible
for initializing the grant table and xenbus in PV on HVM mode.
Few changes to xenbus and grant table are necessary to allow the delayed
initialization in HVM mode.
Grant table needs few additional modifications to work in HVM mode.
The Xen PCI platform device raises an irq every time an event has been
delivered to us. However these interrupts are only delivered to vcpu 0.
The Xen PCI platform interrupt handler calls xen_hvm_evtchn_do_upcall
that is a little wrapper around __xen_evtchn_do_upcall, the traditional
Xen upcall handler, the very same used with traditional PV guests.
When running on HVM the event channel upcall is never called while in
progress because it is a normal Linux irq handler (and we cannot switch
the irq chip wholesale to the Xen PV ones as we are running QEMU and
might have passed in PCI devices), therefore we cannot be sure that
evtchn_upcall_pending is 0 when returning.
For this reason if evtchn_upcall_pending is set by Xen we need to loop
again on the event channels set pending otherwise we might loose some
event channel deliveries.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Set the callback to receive evtchns from Xen, using the
callback vector delivery mechanism.
The traditional way for receiving event channel notifications from Xen
is via the interrupts from the platform PCI device.
The callback vector is a newer alternative that allow us to receive
notifications on any vcpu and doesn't need any PCI support: we allocate
a vector exclusively to receive events, in the vector handler we don't
need to interact with the vlapic, therefore we avoid a VMEXIT.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Initialize basic pv on hvm features adding a new Xen HVM specific
hypervisor_x86 structure.
Don't try to initialize xen-kbdfront and xen-fbfront when running on HVM
because the backends are not available.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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git://git.pengutronix.de/git/ukl/linux-2.6
* 'arm/defconfig/reduced-v2.6.35-rc1' of git://git.pengutronix.de/git/ukl/linux-2.6:
ARM: reduce defconfigs
This is a big change, but results in no loss of information, despite us
losing almost 200k lines:
177 files changed, 652 insertions(+), 194157 deletions(-)
and Grant Likely thinks powerpc can also use the same reduction
technique.
The python script that did the reduction looks like this:
#! /usr/bin/env python
# vim: set fileencoding=utf-8 :
# Copyright (C) 2010 by Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
import re
import subprocess
import os
import sys
# This prevents including a timestamp in the .config which makes comparing a
# bit easier.
os.environ['KCONFIG_NOTIMESTAMP'] = 'Yes, please'
# XXX: get these using getopt
kernel_tree = '' # os.path.join(os.environ['HOME'], 'gsrc', 'linux-2.6')
arch = 'arm'
target = sys.argv[1]
defconfig_src = os.path.join(kernel_tree, 'arch/%s/configs/%s' % (arch, target))
subprocess.check_call(['make', '-s', 'ARCH=%s' % arch, target])
origconfig = list(open('.config'))
config = list(origconfig)
config_size = os.stat('.config').st_size
i = 0
while i < len(config):
print 'test for %r' % config[i]
defconfig = open(defconfig_src, 'w')
defconfig.writelines(config[:i])
defconfig.writelines(config[i + 1:])
defconfig.close()
subprocess.check_call(['make', '-s', 'ARCH=%s' % arch, target])
if os.stat('.config').st_size == config_size and list(open('.config')) == origconfig:
del config[i]
else:
i += 1
defconfig = open(defconfig_src, 'w')
defconfig.writelines(config)
defconfig.close()
which is pretty self-explanatory.
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Acked-by: Russell King <linux@arm.linux.org.uk>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: hda - Restore cleared pin controls on resume
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
V4L/DVB: uvc: Fix multiple symbols definitions with UVC gadget and host drivers
V4L/DVB: v4l: mem2mem_testdev: fix g_fmt NULL pointer dereference
V4L/DVB: uvcvideo: Power line frequency control doesn't support GET_MIN/MAX/RES
V4L/DVB: ivtv: Add delay to ensure the decoder always restarts with a blank screen
V4L/DVB: Documentation: Add the Philips FQ1236 MK5 to video4linux/CARDLIST.tuner
V4L/DVB: tveeprom: Add an entry for tuner code 168: a TCL M30WTP-4N-E tuner
V4L/DVB: tuner: Add a definition for the Philips FQ1236 MK5 NTSC tuner
V4L/DVB: OMAP_VOUT: fix: Module params were not working through bootargs
V4L/DVB: OMAP_VOUT: fix: Replaced dma-sg with dma-contig
V4L/DVB: OMAP_VOUT:Build FIX: Rebased against latest DSS2 changes
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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: Send Report ID when numbered reports are sent over the control endpoint.
HID: Enable HID_QUIRK_MULTI_INPUT for Retro Adaptor
HID: add support for CH Eclipse yoke
HID: eliminate a double lock in debug code
HID: ntrig: add support for new firwmare versions
HID: check for HID_QUIRK_IGNORE during probing
HID: roccat: fix modules interdependencies
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File patterns are one per line.
Fixed include file location.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The Report ID wasn't sent as part of the payload for reports which were sent
over the control endpoint. This is required by section 8.1 of the HID spec.
Signed-off-by: Alan Ott <alan@signal11.us>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The UVC gadget driver borrowed code from the UVC host driver without
changing the symbol names. This results in a namespace clash with
multiple definitions of several symbols when compiling both drivers in
the kernel.
Make all generic UVC functions and variables static in the UVC gadget
driver, as the symbols are not referenced outside of the gadget driver.
Rename the uvc_trace_param global variable to uvc_gadget_trace_param.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: Fix autoloading of fschmd on recent Fujitsu machines
hwmon: (coretemp) Properly label the sensors
hwmon: (coretemp) Skip duplicate CPU entries
hwmon: (it87) Fix in7 on IT8720F
hwmon: (k8temp) Fix temperature reporting for ASB1 processor revisions
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c/mips: Fix error return codes from Sibyte i2c bus driver
i2c: Fix probability check
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Patch for linux-2.6.35-rc4 mainline kernel to enable Paul Qureshi's
Retro Adapter [http://keio.dk/retroadapter.html], an open source USB
device which allows controllers and joysticks from classic computers
and consoles to work on modern PCs, to appear as two separate devices
under Linux.
Signed-off-by: Peter Edwards <samwise@bagshot-row.org>
Acked-by: Paul Qureshi <retro@world3.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This USB flight yoke needs the NOGET quirk, like most of CH's other
products. This patch adds that.
Signed-off-by: Jonathan Rockway <jon@jrock.us>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Sibyte i2c bus driver returns non-descriptive error values.
Update to return error values as defined in Documentation/i2c/fault-codes.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The new unified probing function differs from the original code, and
the preliminary test whether probing is possible must be updated
accordingly.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Fujitsu slightly changed the DMI strings in their recent machines,
(for example the D2778) and this breaks the automatic loading of the
needed fschmd driver. Being more tolerant on string comparison fixes
the issue.
This closes bug #15634:
https://bugzilla.kernel.org/show_bug.cgi?id=15634
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Sergey Spiridonov <sena@hurd.homeunix.org>
Cc: Hans de Goede <hdegoede@redhat.com>
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Don't assume that CPU entry number and core ID always match. It
worked in the simple cases (single CPU, no HT) but fails on
multi-CPU systems.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Huaxu Wan <huaxu.wan@intel.com>
Cc: stable@kernel.org
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On hyper-threaded CPUs, each core appears twice in the CPU list. Skip
the second entry to avoid duplicate sensors.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Huaxu Wan <huaxu.wan@intel.com>
Cc: stable@kernel.org
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The IT8720F has no VIN7 pin, so VCCH should always be routed
internally to VIN7 with an internal divider. Curiously, there still
is a configuration bit to control this, which means it can be set
incorrectly. And even more curiously, many boards out there are
improperly configured, even though the IT8720F datasheet claims that
the internal routing of VCCH to VIN7 is the default setting. So we
force the internal routing in this case.
It turns out that all boards with the wrong setting are from Gigabyte,
so I suspect a BIOS bug. But it's easy enough to workaround in the
driver, so let's do it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Jean-Marc Spaggiari <jean-marc@spaggiari.org>
Cc: stable@kernel.org
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Reported temperature for ASB1 CPUs is too high.
Add ASB1 CPU revisions (these are also non-desktop variants) to the
list of CPUs for which the temperature fixup is not required.
Example: (from LENOVO ThinkPad Edge 13, 01972NG, system was idle)
Current kernel reports
$ sensors
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp: +74.0 C
Core0 Temp: +70.0 C
Core1 Temp: +69.0 C
Core1 Temp: +70.0 C
With this patch I have
$ sensors
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp: +54.0 C
Core0 Temp: +51.0 C
Core1 Temp: +48.0 C
Core1 Temp: +49.0 C
Cc: stable@kernel.org [.32.x .33.x, .34.x]
Cc: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Many codecs now clear the pin controls at suspend via snd_hda_shutup_pins()
for reducing the click noise at power-off. But this leaves some pins
uninitialized, and they'll be never recovered after resume.
This patch adds the proper recovery of cleared pin controls on resume.
Also it adds a check of bus->shutdown so that pins won't be cleared at
module unloading.
Reference: Kernel bug 16339
http://bugzilla.kernel.org/show_bug.cgi?id=16339
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Extract the microcode for the QLogic QLE7220 series IB HCA and use the
kernel microcode request facility to load the microcode. This
supports Debian Linux's requirements to separate microcode which
doesn't have open source code available from the device driver.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Calling g_fmt before s_fmt resulted in a NULL pointer dereference as no
default formats were being selected on probe.
Reported-by: Németh Márton <nm127@freemail.hu>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Issuing a GET_MIN request on the power line frequency control times out
on at least the Apple iSight. As the UVC specification doesn't list
GET_MIN/MAX/RES as supported on that control, remove them from the
uvc_ctrls array.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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screen
Add a short delay when stopping the decoder, allowing it to settle and
preventing some unexpected interaction with other firmware commands.
Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Tested-by: Martin Dauskardt <martin.dauskardt@gmx.de>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Hauppauge EEPROM tuner code 168 has recently shown up on HVR-1600 TV
capture cards supported by the cx18 driver. This change allows analog
tuner type autodetection to succeed for these cards.
Information for decoding tuner code 168 was provided by Hauppauge.
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Muralidharan Karicheri <mkaricheri@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Actually OMAP doesn't support scatter-gather DMA for
Display subsystem but due to legacy coding it has been overlooked
till now.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Muralidharan Karicheri <mkaricheri@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Changes -
- Kconfig option dependancy changed to ARCH_OMAP2/3 from
ARCH_OMAP24XX/34XX
- There are some moments of function from omap_dss_device
to omap_dss_driver. Incorporated changes for the same.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Muralidharan Karicheri <mkaricheri@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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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:
IPoIB: Fix world-writable child interface control sysfs attributes
IB/qib: Clean up properly if qib_init() fails
IB/qib: Completion queue callback needs to be single threaded
IB/qib: Update 7322 serdes tables
IB/qib: Clear 6120 hardware error register
IB/qib: Clear eager buffer memory for each new process
IB/qib: Mask hardware error during link reset
IB/qib: Don't mark VL15 bufs as WC to avoid a rare 7322 chip problem
RDMA/cxgb4: Derive smac_idx from port viid
RDMA/cxgb4: Avoid false GTS CIDX_INC overflows
RDMA/cxgb4: Don't call abort_connection() for active connect failures
RDMA/cxgb4: Use the DMA state API instead of the pci equivalents
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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 - Enable beep on Realtek codecs with PCI SSID override
ALSA: usb-audio - Add volume resolution quirk for some Logitech webcams
ALSA: hda - Add Macbook 5,2 quirk
ALSA: hda - Fix uninitialized variable
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
writeback: simplify the write back thread queue
writeback: split writeback_inodes_wb
writeback: remove writeback_inodes_wbc
fs-writeback: fix kernel-doc warnings
splice: check f_mode for seekable file
splice: direct_splice_actor() should not use pos in sd
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Fix userspace build of ptrace.h
powerpc: Fix default_machine_crash_shutdown #ifdef botch
powerpc: Fix logic error in fixup_irqs
powerpc/iseries: Fix possible null pointer dereference in iSeries_pcibios_fixup_resources
powerpc: Linux cannot run with 0 cores
powerpc: Fix feature-fixup tests for gcc 4.5
powerpc: Disable SPARSE_IRQ by default
powerpc: Fix compile errors in prom_init_check for gcc 4.5
powerpc: Fix module building for gcc 4.5 and 64 bit
powerpc/perf_event: Fix for power_pmu_disable()
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung
* 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: SAMSUNG: Fix on wrong function name for S5PV210 sdhci0
ARM: S5P6442: Fix PLL setting announce message.
ARM: SAMSUNG: Fix build without SDHCI controllers for S3C64XX
ARM: S5PV210: Correct clock register properties
ARM: S5P: Bug fix on external interrupt for S5P SoCs
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Build of ptrace.h failed for assembly because it
pulls in stdint.h.
Use exportable types (__u32, __u64) to avoid the dependency
on stdint.h.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Andrey Volkov <avolkov@varma-el.com>
Cc: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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crash_kexec_wait_realmode() is defined only if CONFIG_PPC_STD_MMU_64
and CONFIG_SMP, but is called if CONFIG_PPC_STD_MMU_64 even if !CONFIG_SMP.
Fix the conditional compilation around the invocation.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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When SPARSE_IRQ is set, irq_to_desc() can
return NULL. While the code here has a
check for NULL, it's not really correct.
Fix it by separating the check for it.
This fixes CPU hot unplug for me.
Reported-by: Alastair Bridgewater <alastair.bridgewater@gmail.com>
Cc: stable@kernel.org [2.6.32+]
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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iSeries_pcibios_fixup_resources
I don't know if this is a right fix for the problem
since of_get_property can return NULL.
Since iseries_device_information is used only for informational purpose,
we can skip this function without valid HvSubBusNumber number.
Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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