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Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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On a KVM guest, when a CPU is taken offline and brought back online, we hit
the following NULL pointer dereference:
[ 45.400843] Unregister pv shared memory for cpu 1
[ 45.412331] smpboot: CPU 1 is now offline
[ 45.529894] SMP alternatives: lockdep: fixing up alternatives
[ 45.533472] smpboot: Booting Node 0 Processor 1 APIC 0x1
[ 45.411526] kvm-clock: cpu 1, msr 0:7d14601, secondary cpu clock
[ 45.571370] KVM setup async PF for cpu 1
[ 45.572331] kvm-stealtime: cpu 1, msr 7d0e040
[ 45.575031] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 45.576017] IP: [<ffffffff81519f98>] cpuidle_disable_device+0x18/0x80
[ 45.576017] PGD 5dfb067 PUD 5da8067 PMD 0
[ 45.576017] Oops: 0000 [#1] SMP
[ 45.576017] Modules linked in:
[ 45.576017] CPU 0
[ 45.576017] Pid: 607, comm: stress_cpu_hotp Not tainted 3.6.0-padata-tp-debug #3 Bochs Bochs
[ 45.576017] RIP: 0010:[<ffffffff81519f98>] [<ffffffff81519f98>] cpuidle_disable_device+0x18/0x80
[ 45.576017] RSP: 0018:ffff880005d93ce8 EFLAGS: 00010286
[ 45.576017] RAX: ffff880005d93fd8 RBX: 0000000000000000 RCX: 0000000000000006
[ 45.576017] RDX: 0000000000000006 RSI: 2222222222222222 RDI: 0000000000000000
[ 45.576017] RBP: ffff880005d93cf8 R08: 2222222222222222 R09: 2222222222222222
[ 45.576017] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 45.576017] R13: 0000000000000000 R14: ffffffff81c8cca0 R15: 0000000000000001
[ 45.576017] FS: 00007f91936ae700(0000) GS:ffff880007c00000(0000) knlGS:0000000000000000
[ 45.576017] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 45.576017] CR2: 0000000000000000 CR3: 0000000005db3000 CR4: 00000000000006f0
[ 45.576017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 45.576017] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 45.576017] Process stress_cpu_hotp (pid: 607, threadinfo ffff880005d92000, task ffff8800066bbf40)
[ 45.576017] Stack:
[ 45.576017] ffff880007a96400 0000000000000000 ffff880005d93d28 ffffffff813ac689
[ 45.576017] ffff880007a96400 ffff880007a96400 0000000000000002 ffffffff81cd8d01
[ 45.576017] ffff880005d93d58 ffffffff813aa498 0000000000000001 00000000ffffffdd
[ 45.576017] Call Trace:
[ 45.576017] [<ffffffff813ac689>] acpi_processor_hotplug+0x55/0x97
[ 45.576017] [<ffffffff813aa498>] acpi_cpu_soft_notify+0x93/0xce
[ 45.576017] [<ffffffff816ae47d>] notifier_call_chain+0x5d/0x110
[ 45.576017] [<ffffffff8109730e>] __raw_notifier_call_chain+0xe/0x10
[ 45.576017] [<ffffffff81069050>] __cpu_notify+0x20/0x40
[ 45.576017] [<ffffffff81069085>] cpu_notify+0x15/0x20
[ 45.576017] [<ffffffff816978f1>] _cpu_up+0xee/0x137
[ 45.576017] [<ffffffff81697983>] cpu_up+0x49/0x59
[ 45.576017] [<ffffffff8168758d>] store_online+0x9d/0xe0
[ 45.576017] [<ffffffff8140a9f8>] dev_attr_store+0x18/0x30
[ 45.576017] [<ffffffff812322c0>] sysfs_write_file+0xe0/0x150
[ 45.576017] [<ffffffff811b389c>] vfs_write+0xac/0x180
[ 45.576017] [<ffffffff811b3be2>] sys_write+0x52/0xa0
[ 45.576017] [<ffffffff816b31e9>] system_call_fastpath+0x16/0x1b
[ 45.576017] Code: 48 c7 c7 40 e5 ca 81 e8 07 d0 18 00 5d c3 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 48 83 ec 10 48 89 5d f0 4c 89 65 f8 48 89 fb <f6> 07 02 75 13 48 8b 5d f0 4c 8b 65 f8 c9 c3 66 0f 1f 84 00 00
[ 45.576017] RIP [<ffffffff81519f98>] cpuidle_disable_device+0x18/0x80
[ 45.576017] RSP <ffff880005d93ce8>
[ 45.576017] CR2: 0000000000000000
[ 45.656079] ---[ end trace 433d6c9ac0b02cef ]---
Analysis:
Commit 3d339dc (cpuidle / ACPI : move cpuidle_device field out of the
acpi_processor_power structure()) made the allocation of the dev structure
(struct cpuidle) of a CPU dynamic, whereas previously it was statically
allocated. And this dynamic allocation occurs in acpi_processor_power_init()
if pr->flags.power evaluates to non-zero.
On KVM guests, pr->flags.power evaluates to zero, hence dev is never
allocated. This causes the NULL pointer (dev) dereference in
cpuidle_disable_device() during a subsequent CPU online operation. Fix this
by ensuring that dev is non-NULL before dereferencing.
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The dereference should be moved below the NULL test.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Use the enum for board_ref_clock from linux/wl12xx.h
Signed-off-by: Vikram Narayanan <vikram186@gmail.com>
Cc: linux-omap@vger.kernel.org
Reviewed-by: Pankaj Jangra<jangra.pankaj9@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Remove duplicated include.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Found by http://coccinelle.lip6.fr/
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Found by http://coccinelle.lip6.fr/
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Found by http://coccinelle.lip6.fr/
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Moved part of the code into a sub function and replaced most of the gotos
by ifs, hoping that it will be easier to read now.
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Mark Fasheh <mfasheh@suse.de>
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I started hitting warnings when running xfstest 68 in a loop because there
were EM's that were not lined up properly with the physical extents. This
is ok, if we do something like punch a hole or write to a preallocated space
or something like that we can have an EM that doesn't cover the entire
physical extent. So fix the tree logging stuff to cope with this case so we
don't just commit the transaction. With this patch I no longer see the
warnings from the tree logging code. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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Call btrfs_abort_transaction as early as possible when an error
condition is detected, that way the line number reported is useful
and we're not clueless anymore which error path led to the abort.
Signed-off-by: David Sterba <dsterba@suse.cz>
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The macro btrfs_abort_transaction() can get the line number of the code
where the problem happens, so we should invoke it in the place that the
error occurs, or we will lose the line number.
Reported-by: David Sterba <dave@jikos.cz>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
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Btrfs uses inclusive range end for lock_extent(), unlock_extent() and
related functions, so we made off-by-one errors in file clone.
This fixes it and also fixes some style problems.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
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It is not needed at all and it is messing with return values...
Reported-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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For buffer read, use offst-to-isize.
For direct read, use dreq->bytes_left.
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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For buffer write, block layout client scan inode mapping to find
next hole and use offset-to-hole as layoutget length. Object
layout client uses offset-to-isize as layoutget length.
For direct write, both block layout and object layout use dreq->bytes_left.
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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u-boot stopped configuring 'non essential' pins recently. The kernel needs
to configure the mux for audio needs.
Since the pinmux for these IPs are static let pinctrl to handle the mux
configuration for.
Configuring the mux for: twl6040 (audpwron), McPDM, DMIC, McBSP1 and McBSP2.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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These all use the generic pinctrl-single driver for the padconf registers.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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u-boot stopped configuring 'non essential' pins recently. The kernel needs
to configure the mux for audio needs.
Since the pinmux for these IPs are static let pinctrl to handle the mux
configuration for.
Configuring the mux for: twl6040 (audpwron, irq), McPDM and McBSP1.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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u-boot stopped configuring 'non essential' pins recently. The kernel needs
to configure the mux for audio needs.
Since the pinmux for these IPs are static let pinctrl to handle the mux
configuration for.
Configuring the mux for: twl6040 (audpwron, irq), McPDM, DMIC, McBSP1 and
McBSP2.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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McBSP3 is not usable on OMAP4 SDP/Blaze (the pins used for McPDM).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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McBSP3 is not usable on OMAP4 SDP/Blaze (the pins used for McPDM).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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McBSP2, McBSP3 and DMIC is not usable on PandaBoard (not connected, no
external pins provided for them).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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u-boot stopped configuring 'non essential' pins recently. These pins are
essential for audio and need to be done to have working audio on the board.
Pin Mux configuration for: twl6040 audpwron gpio, McPDM, and McBSP1.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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u-boot stopped configuring 'non essential' pins recently. These pins are
essential for audio and need to be done to have working audio on the board.
Pin Mux configuration for: twl6040 audpwron gpio, McPDM, DMIC, McBSP1 and
McBSP2.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-v3.7-rc1/fixes-pm
OMAP PM related fixes for v3.7-rc
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-v3.7-rc1/fixes-cpufreq
This series a couple bug fixes and a couple fixes that make this
driver support recently added OMAP-based SoCs.
The 'get_cpu_device' patch is needed due to a change in the OMAP
OMAP PM core code which enforces use of get_cpu_device() instead of
a deprecated OMAP-specific API.
The usage of plat/*.h headers breaks single zImage, so platforms are
cleaning up and/or removing plat/*.h so the driver needs to be fixed
accordingly.
This series is based on the merge of Rafael's pm-for-3.7-rc1 tag into
Linus' master branch: commit 16642a2e7be23bbda013fc32d8f6c68982eab603.
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This patch adds a missing hwmod entry for the HDQ/1-Wire module present
in the AM3505/17 CPUs.
This restores 1-Wire support to our AM3505 boards. We think it probably
stopped working with commit 96b1b29d37b0ca3ecd424a1fe301406cf525fc04
ARM: OMAP2+: HDQ1W: use omap_device
Signed-off-by: Raphael Assenat <raph@8d.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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compiler complained,
`gpmc_remove' referenced in section `.data' of arch/arm/mach-omap2/built-in.o: defined in discarded section `.exit.text' of arch/arm/mach-omap2/built-in.o
Annotate gpmc_remove function and dependents with __devexit.
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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In case of error, the function clk_get() returns ERR_PTR()
and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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In case of error, the function omap_device_alloc() returns ERR_PTR()
not NULL pointer. The NULL test in the return value check should
be replaced with IS_ERR().
dpatch engine is used to auto generated this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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In case of error, the function omap_device_alloc() returns ERR_PTR()
not NULL pointer. The NULL test in the return value check should
be replaced with IS_ERR().
dpatch engine is used to auto generated this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This adds am335x-evm and am335x-bone dtb targets to
'make dtbs', just like other platforms.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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FORCE_MAX_ZONEORDER of 12 is needed to allocation more than 4MB
of consistent DMA memory (da8xx frame buffer driver).
Signed-off-by: Dejan Gacnik <dejan.gacnik@gmail.com>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This fixes below build error when CONFIG_LEDS_CLASS is not set.
LD init/built-in.o
arch/arm/plat-omap/built-in.o: In function `fpga_probe':
arch/arm/plat-omap/debug-leds.c:113: undefined reference to `led_classdev_register'
make: *** [vmlinux] Error 1
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This contains pretty many small commits covering fairly large range of
files in sound/ directory. Partly because of additional API support
and partly because of constantly developed ASoC and ARM stuff.
Some highlights:
- Introduced the helper function and documentation for exposing the
channel map via control API, as discussed in Plumbers; most of PCI
drivers are covered, will follow more drivers later
- Most of drivers have been replaced with the new PM callbacks (if
the bus is supported)
- HD-audio controller got the support of runtime PM and the support
of D3 clock-stop. Also changing the power_save option in sysfs
kicks off immediately to enable / disable the power-save mode.
- Another significant code change in HD-audio is the rewrite of
firmware loading code. Other than that, most of changes in
HD-audio are continued cleanups and standardization for the generic
auto parser and bug fixes (HBR, device-specific fixups), in
addition to the support of channel-map API.
- Addition of ASoC bindings for the compressed API, used by the
mid-x86 drivers.
- Lots of cleanups and API refreshes for ASoC codec drivers and
DaVinci.
- Conversion of OMAP to dmaengine.
- New machine driver for Wolfson Microelectronics Bells.
- New CODEC driver for Wolfson Microelectronics WM0010.
- Enhancements to the ux500 and wm2000 drivers
- A new driver for DA9055 and the support for regulator bypass mode."
Fix up various arm soc header file reorg conflicts.
* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (339 commits)
ALSA: hda - Add new codec ALC283 ALC290 support
ALSA: hda - avoid unneccesary indices on "Headphone Jack" controls
ALSA: hda - fix indices on boost volume on Conexant
ALSA: aloop - add locking to timer access
ALSA: hda - Fix hang caused by race during suspend.
sound: Remove unnecessary semicolon
ALSA: hda/realtek - Fix detection of ALC271X codec
ALSA: hda - Add inverted internal mic quirk for Lenovo IdeaPad U310
ALSA: hda - make Realtek/Sigmatel/Conexant use the generic unsol event
ALSA: hda - make a generic unsol event handler
ASoC: codecs: Add DA9055 codec driver
ASoC: eukrea-tlv320: Convert it to platform driver
ALSA: ASoC: add DT bindings for CS4271
ASoC: wm_hubs: Ensure volume updates are handled during class W startup
ASoC: wm5110: Adding missing volume update bits
ASoC: wm5110: Add OUT3R support
ASoC: wm5110: Add AEC loopback support
ASoC: wm5110: Rename EPOUT to HPOUT3
ASoC: arizona: Add more clock rates
ASoC: arizona: Add more DSP options for mixer input muxes
...
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Currently, a dummy omap_device is created for the MPU sub-system so
that a device node exists for MPU DVFS. Specifically, for the
association of MPU OPPs to a device node, and so that a voltage
regulator can be mapped to a device node.
For drivers to get a handle to this device node, an OMAP-specific API
has been used. However, the kernel already has device nodes for the
CPU(s) in the system, so we can use those instead of an OMAP-specific
dummy device and then drivers (like OMAP CPUfreq) can use generic
APIs.
To use the existing CPU device nodes, modify the OPP creation and
regulator registration to use the CPU0 device node for registraion.
NOTE: this patch always uses CPU0 as the device node. On all
OMAPs today, MPU DVFS scales all CPUs together, so this will
not be a problem, but this assumption will need to be changed
if independently scalable CPUs are introduced.
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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OMAP PM core code has moved to using the existing, generic CPU devices
for attaching OPPs, so the CPUfreq driver can now use the generic
get_cpu_device() API instead of the OMAP-specific omap_device API.
This allows us to remove the last <plat/*> include from this driver.
Cc: Paul Walmsley <paul@pwsan.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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OMAP core code now has SoC-independent clock alias for the scalable
CPU clock. Using it means driver is SoC independent and will work for
AM3xxx SoCs as well as OMAP1/3/4.
While here, remove some unnecessary plat/ includes that are
interfering with multi-subarch ARM kernels.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
[tony@atomide.com: updated already changed clock aliases]
Signed-off-by: Tony Lindgren <tony@atomide.com>
[khilman@ti.com: minor shortlog/changelog updates]
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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The <plat/*.h> headers are going away, and this one is not used. remove it.
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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Fix a couple harmless sparse warnings reported by Fengguang Wu.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ensure the clock rate that will be used is a valid one before
attempting to scale the voltage. Currently the driver assumes it has
a valid frequency from the OPP table, but boards using different
system oscillators might not have exact matches with the OPP table,
and result in a failing call to clk_set_rate().
This is particularily bad because the voltage may be scaled even
though the frequency is not. This will obviously lead to some
unpredictable behavior, especially if the frequency is high and
the voltage is dropped.
Thanks to Joni Lapilainen for reporting crashes seen on 3430/n900.
Reported-by: Joni Lapilainen <joni.lapilainen@gmail.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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Change de_thread() to use KILLABLE rather than UNINTERRUPTIBLE while
waiting for other threads. The only complication is that we should
clear ->group_exit_task and ->notify_count before we return, and we
should do this under tasklist_lock. -EAGAIN is used to match the
initial signal_group_exit() check/return, it doesn't really matter.
This fixes the (unlikely) race with coredump. de_thread() checks
signal_group_exit() before it starts to kill the subthreads, but this
can't help if another CLONE_VM (but non CLONE_THREAD) task starts the
coredumping after de_thread() unlocks ->siglock. In this case the
killed sub-thread can block in exit_mm() waiting for coredump_finish(),
execing thread waits for that sub-thead, and the coredumping thread
waits for execing thread. Deadlock.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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After the change "Make neigh lookups directly in output packet path"
(commit a263b30936) IPVS can not reach the real server for DR mode
because we resolve the destination address from IP header, not from
route neighbour. Use the new FLOWI_FLAG_KNOWN_NH flag to request
output routes with known nexthop, so that it has preference
on resolving.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add flag to request that output route should be
returned with known rt_gateway, in case we want to use
it as nexthop for neighbour resolving.
The returned route can be cached as follows:
- in NH exception: because the cached routes are not shared
with other destinations
- in FIB NH: when using gateway because all destinations for
NH share same gateway
As last option, to return rt_gateway!=0 we have to
set DST_NOCACHE.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add new flag to remember when route is via gateway.
We will use it to allow rt_gateway to contain address of
directly connected host for the cases when DST_NOCACHE is
used or when the NH exception caches per-destination route
without DST_NOCACHE flag, i.e. when routes are not used for
other destinations. By this way we force the neighbour
resolving to work with the routed destination but we
can use different address in the packet, feature needed
for IPVS-DR where original packet for virtual IP is routed
via route to real IP.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid checking nh_pcpu_rth_output in fast path,
abort fib_info creation on alloc_percpu failure.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After the change "Adjust semantics of rt->rt_gateway"
(commit f8126f1d51) rt_gateway can be 0 but ip_forward() compares
it directly with nexthop. What we want here is to check if traffic
is to directly connected nexthop and to fail if using gateway.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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