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Although the possible race described in
commit 85b7059169e128c57a3a8a3e588fb89cb2031da1
KVM: MMU: fix shrinking page from the empty mmu
was correct, the real cause of that issue was a more trivial bug of
mmu_shrink() introduced by
commit 1952639665e92481c34c34c3e2a71bf3e66ba362
KVM: MMU: do not iterate over all VMs in mmu_shrink()
Here is the bug:
if (kvm->arch.n_used_mmu_pages > 0) {
if (!nr_to_scan--)
break;
continue;
}
We skip VMs whose n_used_mmu_pages is not zero and try to shrink others:
in other words we try to shrink empty ones by mistake.
This patch reverses the logic so that mmu_shrink() can free pages from
the first VM whose n_used_mmu_pages is not zero. Note that we also add
comments explaining the role of nr_to_scan which is not practically
important now, hoping this will be improved in the future.
Signed-off-by: Takuya Yoshikawa <[email protected]>
Cc: Gleb Natapov <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
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Put the parameters the right way around
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=44031
Reported-by: David Binderman <[email protected]>
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Alexander Graf <[email protected]>
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When we map a page that wasn't icache cleared before, do so when first
mapping it in KVM using the same information bits as the Linux mapping
logic. That way we are 100% sure that any page we map does not have stale
entries in the icache.
Signed-off-by: Alexander Graf <[email protected]>
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In handling the H_CEDE hypercall, if this vcpu has already been
prodded (with the H_PROD hypercall, which Linux guests don't in fact
use), we branch to a numeric label '1f'. Unfortunately there is
another '1:' label before the one that we want to jump to. This fixes
the problem by using a textual label, 'kvm_cede_prodded'. It also
changes the label for another longish branch from '2:' to
'kvm_cede_exit' to avoid a possible future problem if code modifications
add another numeric '2:' label in between.
Signed-off-by: Paul Mackerras <[email protected]>
Signed-off-by: Alexander Graf <[email protected]>
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When MSR_KVM_PV_EOI_EN was added to msrs_to_save array
KVM_SAVE_MSRS_BEGIN was not updated accordingly.
Signed-off-by: Gleb Natapov <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS fixes and cleanups from Al Viro.
Most of this is the series to remove sync_supers() and the
->write_supers VFS callback from Artem Bityutskiy. One commit to do the
actual removal work, a whole series of commits to fix up stale comments
etc all over the tree.
There's also a regression fix for an incorrect use of mnt_drop_write()
in do_dentry_open().
* 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
missed mnt_drop_write() in do_dentry_open()
UBIFS: nuke pdflush from comments
gfs2: nuke pdflush from comments
drbd: nuke pdflush from comments
nilfs2: nuke write_super from comments
hfs: nuke write_super from comments
vfs: nuke pdflush from comments
jbd/jbd2: nuke write_super from comments
btrfs: nuke pdflush from comments
btrfs: nuke write_super from comments
ext4: nuke pdflush from comments
ext4: nuke write_super from comments
ext3: nuke write_super from comments
Documentation: fix the VM knobs descritpion WRT pdflush
Documentation: get rid of write_super
vfs: kill write_super and sync_supers
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This one ought to be __mnt_drop_write(), to match __mnt_want_write()
in the beginning...
Signed-off-by: Al Viro <[email protected]>
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The pdflush thread is long gone, so this patch removes references to pdflush
from UBIFS comments.
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The pdflush thread is long gone, so this patch removes references to pdflush
from gfs comments.
Cc: Steven Whitehouse <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The pdflush thread is long gone, so this patch removes references to pdflush
from drbd comments.
Cc: [email protected]
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The '->write_super' superblock method is gone, and this patch removes all the
references to 'write_super' from ntfs.
Cc: KONISHI Ryusuke <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The '->write_super' superblock method is gone, and this patch removes all the
references to 'write_super' from hfs.
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The pdflush thread is long gone, so this patch removes references to pdflush
from vfs comments.
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The '->write_super' superblock method is gone, and this patch removes all the
references to 'write_super' from various jbd and jbd2.
Cc: Andrew Morton <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: "Theodore Ts'o" <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The pdflush thread is long gone, so this patch removes references to pdflush
from btrfs comments.
Cc: Chris Mason <[email protected]>
Cc: [email protected]
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The '->write_super' superblock method is gone, and this patch removes all the
references to 'write_super' from btrfs.
Cc: Chris Mason <[email protected]>
Cc: [email protected]
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The pdflush thread is long gone, so this patch removes references to pdflush
from ext4 comments.
Cc: "Theodore Ts'o" <[email protected]>
Cc: Andreas Dilger <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The '->write_super' superblock method is gone, and this patch removes all the
references to 'write_super' from ext3.
Cc: "Theodore Ts'o" <[email protected]>
Cc: Andreas Dilger <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The '->write_super' superblock method is gone, and this patch removes all the
references to 'write_super' from ext3.
Cc: Jan Kara <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Andreas Dilger <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The pdflush thread is long gone, however we still mention it incorrectly in the
kernel documentation. This patch fixes the situation.
Cc: Randy Dunlap <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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The '->write_super' superblock method is gone, and this patch removes all the
references to 'write_super' from various pieces of the kernel documentation.
Cc: Randy Dunlap <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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Finally we can kill the 'sync_supers' kernel thread along with the
'->write_super()' superblock operation because all the users are gone.
Now every file-system is supposed to self-manage own superblock and
its dirty state.
The nice thing about killing this thread is that it improves power management.
Indeed, 'sync_supers' is a source of monotonic system wake-ups - it woke up
every 5 seconds no matter what - even if there were no dirty superblocks and
even if there were no file-systems using this service (e.g., btrfs and
journalled ext4 do not need it). So it was wasting power most of the time. And
because the thread was in the core of the kernel, all systems had to have it.
So I am quite happy to make it go away.
Interestingly, this thread is a left-over from the pdflush kernel thread which
was a self-forking kernel thread responsible for all the write-back in old
Linux kernels. It was turned into per-block device BDI threads, and
'sync_supers' was a left-over. Thus, R.I.P, pdflush as well.
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull ACPI and power management fixes from Len Brown:
"A 3.3 sleep regression fixed, numa bugfix, plus some minor cleanups"
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
ACPI processor: Fix tick_broadcast_mask online/offline regression
ACPI: Only count valid srat memory structures
ACPI: Untangle a return statement for better readability
ACPI / PCI: Do not try to acquire _OSC control if that is hopeless
ACPI: delete _GTS/_BFS support
ACPI/x86: revert 'x86, acpi: Call acpi_enter_sleep_state via an asmlinkage C function from assembler'
ACPI: replace strlen("string") with sizeof("string") -1
ACPI / PM: Fix build warning in sleep.c for CONFIG_ACPI_SLEEP unset
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Pull exofs update from Boaz Harrosh:
"They are all mostly fixes, except the most important patch by Artem
Bityutskiy which removes the use of s_dirt. After this patch s_dirt
can be completely removed from the tree."
* 'for-linus' of git://git.open-osd.org/linux-open-osd:
ore: Fix out-of-bounds access in _ios_obj()
exofs: Use proper max_IO calculations from ore
exofs: Fix __r4w_get_page when offset is beyond i_size
exofs: stop using s_dirt
exofs: readpage_strip: Add a BUG_ON to check for PageLocked(page)
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Pull KVM bug fixes from Marcelo Tosatti:
- Fix DS/ES segment register corruption on x86_32.
- Fix kvmclock wallclock migration offset.
- Fix PIT interrupt ACK vs system reset logic bug.
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: VMX: Fix ds/es corruption on i386 with preemption
KVM: x86: apply kvmclock offset to guest wall clock time
KVM: PIC: call ack notifiers for irqs that are dropped form irr
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A bunch of small fixes for ASoC, mainly against regressions due to the
defaulting regmap i/o, in addition to a HD-audio fixup."
* tag 'sound-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: core: Fix check before defaulting to regmap
ALSA: hda - Support dock on Lenovo Thinkpad T530 with ALC269VC
ASoC: wm8962: Allow VMID time to fully ramp
ASoC: AC97 doesn't use regmap by default
ASoC: sgtl5000: enable VAG_POWER for LINE_IN
ASoC: ab8500: Inform SoC Core that we have our own I/O arrangements
ASoC: omap: Add missing modules aliases to get sound working on omap devices
sound: tegra_alc5632: Adjust to of_get_named_gpio() change
sound: tegra_wm8903: Adjust to of_get_named_gpio() change
ASoC: mc13783: Provide codec->control_data
ASoC: ux500: Include the correct header files
ASoC: wm8994: Hold runtime PM reference while handling mic and jack IRQs
ASoC: sgtl5000: remove unneeded snd_soc_dapm_new_widgets in probe
ASoC: mxs-saif: set a base clock rate for EXTMASTER mode work
ASoC: mxs-saif: fix clock prepare and enable unbalance issue
ASoC: wm8994: Ensure there are enough BCLKs for four channels
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull futex fixes from Ingo Molnar:
"A couple of futex fixes from Darren Hart: two bugs reported by Dave
Jones (found with his trinity test) and Dan Carpenter through static
analysis. The third found while debugging the first two."
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Forbid uaddr == uaddr2 in futex_wait_requeue_pi()
futex: Fix bug in WARN_ON for NULL q.pi_state
futex: Test for pi_mutex on fault in futex_wait_requeue_pi()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Various fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86-64, kcmp: The kcmp system call can be common
arch/x86/kernel/kdebugfs.c: Ensure a consistent return value in error case
x86/mce: Add quirk for instruction recovery on Sandy Bridge processors
x86/mce: Move MCACOD defines from mce-severity.c to <asm/mce.h>
x86/ioapic: Fix NULL pointer dereference on CPU hotplug after disabling irqs
x86, nops: Missing break resulting in incorrect selection on Intel
x86: CONFIG_CC_STACKPROTECTOR=y is no longer experimental
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
"One regression fix, and a couple of cleanups that clean up the code
flow in areas that had high-profile bugs recently."
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time: Remove all direct references to timekeeper
time: Clean up offs_real/wall_to_mono and offs_boot/total_sleep_time updates
time: Clean up stray newlines
time/jiffies: Rename ACTHZ to SHIFTED_HZ
time/jiffies: Allow CLOCK_TICK_RATE to be undefined
time: Fix casting issue in tk_set_xtime and tk_xtime_add
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Fixes and two late cleanups"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/cleanups: Add load balance cpumask pointer to 'struct lb_env'
sched: Fix comment about PREEMPT_ACTIVE bit location
sched: Fix minor code style issues
sched: Use task_rq_unlock() in __sched_setscheduler()
sched/numa: Add SD_PERFER_SIBLING to CPU domain
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Fix merge window fallout and fix sleep profiling (this was always
broken, so it's not a fix for the merge window - we can skip this one
from the head of the tree)."
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/trace: Add ability to set a target task for events
perf/x86: Fix USER/KERNEL tagging of samples properly
perf/x86/intel/uncore: Make UNCORE_PMU_HRTIMER_INTERVAL 64-bit
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Ingo Molnar.
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Allow irq chips to mark themself oneshot safe
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git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb
Pull KGDB/KDB/usb-dbgp fixes and cleanups from Jason Wessel:
"There are no new features, those will be delayed to the 3.7 window.
There are only fixes/cleanup against the usual kernel churn and we are
removing more lines than we add:
- usb-dbgp - increase the controller wait time to come out of halt.
- kdb - Remove unused KDB_FLAG_ONLY_DO_DUMP code and cpu in more prompt
- debug core - pass NMI type on archs that provide NMI types"
* tag 'for_linux-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb:
USB: echi-dbgp: increase the controller wait time to come out of halt.
kernel/debug: Make use of KGDB_REASON_NMI
kdb: Remove cpu from the more prompt
kdb: Remove unused KDB_FLAG_ONLY_DO_DUMP
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Make sys_atomic_cmpxchg_32 work on classic m68k
m68k/apollo: Rename "timer" to "apollo_timer"
zorro: Remove unused zorro_bus.devices
m68k: Remove never used asm/shm.h
m68k/sun3: Remove unselectable code in prom_init()
m68k: Use asm-generic version of <asm/sections.h>
m68k: Replace m68k-specific _[se]bss by generic __bss_{start,stop}
mtd/uclinux: Use generic __bss_stop instead of _ebss
m68knommu: Allow ColdFire CPUs to use unaligned accesses
m68k: Remove five unused headers
m68k: CPU32 does not support unaligned accesses
m68k: Introduce config option CPU_HAS_NO_UNALIGNED
m68k: delay, muldi3 - Use CONFIG_CPU_HAS_NO_MULDIV64
m68k: Move CPU_HAS_* config options
m68k: Remove duplicate FPU config option
m68knommu: Clean up printing of sections
m68k: Use asm-generic version of <asm/types.h>
m68k: Use Kbuild logic to import asm-generic headers
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'osc-pcie' into base
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In commit 99b725084 "ACPI processor hotplug: Delay acpi_processor_start()
call for hotplugged cores", acpi_processor_hotplug(pr) was wrongly replaced
by acpi_processor_cst_has_changed() inside the acpi_cpu_soft_notify(). This
patch will restore it back, fixing the tick_broadcast_mask regression:
https://lkml.org/lkml/2012/7/30/169
Signed-off-by: Feng Tang <[email protected]>
Cc: Thomas Renninger <[email protected]>
Cc: <[email protected]> # 3.3+
Reviewed-by: Rafael J. Wysocki <[email protected]>
Reviewed-by: Deepthi Dharwar <[email protected]>
Signed-off-by: Len Brown <[email protected]>
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Otherwise you could run into:
WARN_ON in numa_register_memblks(), because node_possible_map is zero
References: https://bugzilla.novell.com/show_bug.cgi?id=757888
On this machine (ProLiant ML570 G3) the SRAT table contains:
- No processor affinities
- One memory affinity structure (which is set disabled)
CC: Per Jessen <[email protected]>
CC: Andi Kleen <[email protected]>
Signed-off-by: Thomas Renninger <[email protected]>
Signed-off-by: Len Brown <[email protected]>
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No functional change.
Signed-off-by: Thomas Renninger <[email protected]>
Signed-off-by: Len Brown <[email protected]>
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User space access must always go through uaccess accessors, since on
classic m68k user space and kernel space are completely separate.
Signed-off-by: Andreas Schwab <[email protected]>
Tested-by: Thorsten Glaser <[email protected]>
Signed-off-by: Geert Uytterhoeven <[email protected]>
Cc: [email protected]
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Pull OLPC platform updates from Andres Salomon:
"These move the OLPC Embedded Controller driver out of
arch/x86/platform and into drivers/platform/olpc.
OLPC machines are now ARM-based (which means lots of x86 and ARM
changes), but are typically pretty self-contained.. so it makes more
sense to go through a separate OLPC tree after getting the appropriate
review/ACKs."
* 'for-linus-3.6' of git://dev.laptop.org/users/dilinger/linux-olpc:
x86: OLPC: move s/r-related EC cmds to EC driver
Platform: OLPC: move global variables into priv struct
Platform: OLPC: move debugfs support from x86 EC driver
x86: OLPC: switch over to using new EC driver on x86
Platform: OLPC: add a suspended flag to the EC driver
Platform: OLPC: turn EC driver into a platform_driver
Platform: OLPC: allow EC cmd to be overridden, and create a workqueue to call it
drivers: OLPC: update various drivers to include olpc-ec.h
Platform: OLPC: add a stub to drivers/platform/ for the OLPC EC driver
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Pull arm-soc Marvell Orion device-tree updates from Olof Johansson:
"This contains a set of device-tree conversions for Marvell Orion
platforms that were staged early but took a few tries to get the
branch into a format where it was suitable for us to pick up.
Given that most people working on these platforms are hobbyists with
limited time, we were a bit more flexible with merging it even though
it came in late."
* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
ARM: Kirkwood: Replace mrvl with marvell
ARM: Kirkwood: Describe GoFlex Net LEDs and SATA in DT.
ARM: Kirkwood: Describe Dreamplug LEDs in DT.
ARM: Kirkwood: Describe iConnects LEDs in DT.
ARM: Kirkwood: Describe iConnects temperature sensor in DT.
ARM: Kirkwood: Describe IB62x0 LEDs in DT.
ARM: Kirkwood: Describe IB62x0 gpio-keys in DT.
ARM: Kirkwood: Describe DNS32? gpio-keys in DT.
ARM: Kirkwood: Move common portions into a kirkwood-dnskw.dtsi
ARM: Kirkwood: Replace DNS-320/DNS-325 leds with dt bindings
ARM: Kirkwood: Describe DNS325 temperature sensor in DT.
ARM: Kirkwood: Use DT to configure SATA device.
ARM: kirkwood: use devicetree for SPI on dreamplug
ARM: kirkwood: Add LS-XHL and LS-CHLv2 support
ARM: Kirkwood: Initial DTS support for Kirkwood GoFlex Net
ARM: Kirkwood: Add basic device tree support for QNAP TS219.
ATA: sata_mv: Add device tree support
ARM: Orion: DTify the watchdog timer.
ARM: Orion: Add arch support needed for I2C via DT.
ARM: kirkwood: use devicetree for orion-spi
...
Conflicts:
drivers/watchdog/orion_wdt.c
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Pull arm-soc cpuidle enablement for OMAP from Olof Johansson:
"Coupled cpuidle was meant to merge for 3.5 through Len Brown's tree,
but didn't go in because the pull request ended up rejected. So it
just got merged, and we got this staged branch that enables the
coupled cpuidle code on OMAP.
With a stable git workflow from the other maintainer we could have
staged this earlier, but that wasn't the case so we have had to merge
it late.
The alternative is to hold it off until 3.7 but given that the code is
well-isolated to OMAP and they are eager to see it go in, I didn't
push back hard in that direction."
* tag 'pm2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: OMAP4: CPUidle: Open broadcast clock-event device.
ARM: OMAP4: CPUidle: add synchronization for coupled idle states
ARM: OMAP4: CPUidle: Use coupled cpuidle states to implement SMP cpuidle.
ARM: OMAP: timer: allow gp timer clock-event to be used on both cpus
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A few fixes for merge window fallout, and a bugfix for timer resume on
PRIMA2."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: mmp: add missing irqs.h
arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs
ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes
ARM: mxc: Include missing irqs.h header
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Pull SuperH fixes from Paul Mundt.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (24 commits)
sh: explicitly include sh_dma.h in setup-sh7722.c
sh: ecovec: care CN5 VBUS if USB host mode
sh: sh7724: fixup renesas_usbhs clock settings
sh: intc: initial irqdomain support.
sh: pfc: Fix up init ordering mess.
serial: sh-sci: fix compilation breakage, when DMA is enabled
dmaengine: shdma: restore partial transfer calculation
sh: modify the sh_dmae_slave_config for RSPI in setup-sh7757
sh: Fix up recursive fault in oops with unset TTB.
sh: pfc: Build fix for pinctrl_remove_gpio_range() changes.
sh: select the fixed regulator driver on several boards
sh: ecovec: switch MMC power control to regulators
sh: add fixed voltage regulators to se7724
sh: add fixed voltage regulators to sdk7786
sh: add fixed voltage regulators to rsk
sh: add fixed voltage regulators to migor
sh: add fixed voltage regulators to kfr2r09
sh: add fixed voltage regulators to ap325rxa
sh: add fixed voltage regulators to sh7757lcr
sh: add fixed voltage regulators to sh2007
...
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Pull additional md update from NeilBrown:
"This contains a few patches that depend on plugging changes in the
block layer so needed to wait for those.
It also contains a Kconfig fix for the new RAID10 support in dm-raid."
* tag 'md-3.6' of git://neil.brown.name/md:
md/dm-raid: DM_RAID should select MD_RAID10
md/raid1: submit IO from originating thread instead of md thread.
raid5: raid5d handle stripe in batch way
raid5: make_request use batch stripe release
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull two ceph fixes from Sage Weil:
"The first patch fixes up the old crufty open intent code to use the
atomic_open stuff properly, and the second fixes a possible null deref
and memory leak with the crypto keys."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
libceph: fix crypto key null deref, memory leak
ceph: simplify+fix atomic_open
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git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Pull ecryptfs fixes from Tyler Hicks:
- Fixes a bug when the lower filesystem mount options include 'acl',
but the eCryptfs mount options do not
- Cleanups in the messaging code
- Better handling of empty files in the lower filesystem to improve
usability. Failed file creations are now cleaned up and empty lower
files are converted into eCryptfs during open().
- The write-through cache changes are being reverted due to bugs that
are not easy to fix. Stability outweighs the performance
enhancements here.
- Improvement to the mount code to catch unsupported ciphers specified
in the mount options
* tag 'ecryptfs-3.6-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
eCryptfs: check for eCryptfs cipher support at mount
eCryptfs: Revert to a writethrough cache model
eCryptfs: Initialize empty lower files when opening them
eCryptfs: Unlink lower inode when ecryptfs_create() fails
eCryptfs: Make all miscdev functions use daemon ptr in file private_data
eCryptfs: Remove unused messaging declarations and function
eCryptfs: Copy up POSIX ACL and read-only flags from lower mount
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Pull CIFS update from Steve French:
"Adds SMB2 rmdir/mkdir capability to the SMB2/SMB2.1 support in cifs.
I am holding up a few more days on merging the remainder of the
SMB2/SMB2.1 enablement although it is nearing review completion, in
order to address some review comments from Jeff Layton on a few of the
subsequent SMB2 patches, and also to debug an unrelated cifs problem
that Pavel discovered."
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: Add SMB2 support for rmdir
CIFS: Move rmdir code to ops struct
CIFS: Add SMB2 support for mkdir operation
CIFS: Separate protocol specific part from mkdir
CIFS: Simplify cifs_mkdir call
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Borislav Petkov reports that the new warning added in commit
88fdf75d1bb5 ("mm: warn if pg_data_t isn't initialized with zero")
triggers for him, and it is the node_start_pfn field that has already
been initialized once.
The call trace looks like this:
x86_64_start_kernel ->
x86_64_start_reservations ->
start_kernel ->
setup_arch ->
paging_init ->
zone_sizes_init ->
free_area_init_nodes ->
free_area_init_node
and (with the warning replaced by debug output), Borislav sees
On node 0 totalpages: 4193848
DMA zone: 64 pages used for memmap
DMA zone: 6 pages reserved
DMA zone: 3890 pages, LIFO batch:0
DMA32 zone: 16320 pages used for memmap
DMA32 zone: 798464 pages, LIFO batch:31
Normal zone: 52736 pages used for memmap
Normal zone: 3322368 pages, LIFO batch:31
free_area_init_node: pgdat->node_start_pfn: 4423680 <----
On node 1 totalpages: 4194304
Normal zone: 65536 pages used for memmap
Normal zone: 4128768 pages, LIFO batch:31
free_area_init_node: pgdat->node_start_pfn: 8617984 <----
On node 2 totalpages: 4194304
Normal zone: 65536 pages used for memmap
Normal zone: 4128768 pages, LIFO batch:31
free_area_init_node: pgdat->node_start_pfn: 12812288 <----
On node 3 totalpages: 4194304
Normal zone: 65536 pages used for memmap
Normal zone: 4128768 pages, LIFO batch:31
so remove the bogus warning for now to avoid annoying people. Minchan
Kim is looking at it.
Reported-by: Borislav Petkov <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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