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alpha:
kernel/async.c: In function 'run_one_entry':
kernel/async.c:141: warning: format '%lli' expects type 'long long int', but argument 2 has type 'async_cookie_t'
kernel/async.c:149: warning: format '%lli' expects type 'long long int', but argument 2 has type 'async_cookie_t'
kernel/async.c:149: warning: format '%lld' expects type 'long long int', but argument 4 has type 's64'
kernel/async.c: In function 'async_synchronize_cookie_special':
kernel/async.c:250: warning: format '%lli' expects type 'long long int', but argument 3 has type 's64'
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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At this time, the PowerNow! driver for K8 uses an experimentally
derived formula to calculate transition latency. The value it
provides is orders of magnitude too large on modern systems.
This patch replaces the formula with ACPI _PSS latency values
for more accuracy and better performance.
I've tested it on two 2nd generation Opteron systems, a 3rd
generation Operton system, and a Turion X2 without seeing any
stability problems.
Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>
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ondemand micro-accounting of idle time changes broke ignore_nice_load
sysfs setting due to a thinko in the code.
The bug entry:
http://bugzilla.kernel.org/show_bug.cgi?id=12310
Reported-by: Jim Bray <jimsantelmo@gmail.com>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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Due to recurring issues with DMAR support on certain platforms.
There's a number of filesystem corruption incidents reported:
https://bugzilla.redhat.com/show_bug.cgi?id=479996
http://bugzilla.kernel.org/show_bug.cgi?id=12578
Provide a Kconfig option to change whether it is enabled by
default.
If disabled, it can still be reenabled by passing intel_iommu=on to the
kernel. Keep the .config option off by default.
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-By: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The code wasn't doing a kfree on the sorted array
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Change the process wide cpu timers/clocks so that we:
1) don't mess up the kernel with too many threads,
2) don't have a per-cpu allocation for each process,
3) have no impact when not used.
In order to accomplish this we're going to split it into two parts:
- clocks; which can take all the time they want since they run
from user context -- ie. sys_clock_gettime(CLOCK_PROCESS_CPUTIME_ID)
- timers; which need constant time sampling but since they're
explicity used, the user can pay the overhead.
The clock readout will go back to a full sum of the thread group, while the
timers will run of a global 'clock' that only runs when needed, so only
programs that make use of the facility pay the price.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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We're going to split the process wide cpu accounting into two parts:
- clocks; which can take all the time they want since they run
from user context.
- timers; which need constant time tracing but can affort the overhead
because they're default off -- and rare.
The clock readout will go back to a full sum of the thread group, for this
we need to re-add the exit stats that were removed in the initial itimer
rework (f06febc9: timers: fix itimer/many thread hang).
Furthermore, since that full sum can be rather slow for large thread groups
and we have the complete dead task stats, revert the do_notify_parent time
computation.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Merging it here because an upcoming timers/urgent fix relies on
a change already in sched/urgent and not yet upstream.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Some fixes regarding snd-hda-intel workqueue:
- Use create_singlethread_workqueue() instead of create_workqueue()
as per-CPU work isn't required.
- Allocate workq name string properly
- Renamed the workq name to "hd-audio*" to be more obvious.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We were freeing an offset into the slab object instead of the
start. This patch fixes it by calling crypto_destroy_tfm which
allows the correct address to be given.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Geert Uytterhoeven pointed out that we're not zeroing all the
memory when freeing a transform. This patch fixes it by calling
ksize to ensure that we zero everything in sight.
Reported-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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On an x86 system which doesn't support global mappings,
__supported_pte_mask has _PAGE_GLOBAL clear, to make sure it never
appears in the PTE. pfn_pte() and so on will enforce it with:
static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
{
return __pte((((phys_addr_t)page_nr << PAGE_SHIFT) |
pgprot_val(pgprot)) & __supported_pte_mask);
}
However, we overload _PAGE_GLOBAL with _PAGE_PROTNONE on non-present
ptes to distinguish them from swap entries. However, applying
__supported_pte_mask indiscriminately will clear the bit and corrupt the
pte.
I guess the best fix is to only apply __supported_pte_mask to present
ptes. This seems like the right solution to me, as it means we can
completely ignore the issue of overlaps between the present pte bits and
the non-present pte-as-swap entry use of the bits.
__supported_pte_mask contains the set of flags we support on the
current hardware. We also use bits in the pte for things like
logically present ptes with no permissions, and swap entries for
swapped out pages. We should only apply __supported_pte_mask to
present ptes, because otherwise we may destroy other information being
stored in the ptes.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Module reference counting for shash is incorrect: when
a new shash transformation is created the refcount is not
increased as it should.
Signed-off-by: Adrian-Ken Rueegsegger <rueegsegger@swiss-it.ch>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Currently, the PM core always attempts to manage devices with drivers
that use the new PM framework. In particular, it attempts to disable
the devices (which is unnecessary), to save their state (which may be
undesirable if the driver has done that already) and to put them into
low power states (again, this may be undesirable if the driver has
already put the device into a low power state). That need not be
the right thing to do, so make the core be more careful in this
respect.
Generally, there are the following categories of devices to consider:
* bridge devices without drivers
* non-bridge devices without drivers
* bridge devices with drivers
* non-bridge devices with drivers
and each of them should be handled differently.
For bridge devices without drivers the PCI PM core will save their
state on suspend and restore it (early) during resume, after putting
them into D0 if necessary. It will not attempt to do anything else
to these devices.
For non-bridge devices without drivers the PCI PM core will disable
them and save their state on suspend. During resume, it will put
them into D0, if necessary, restore their state (early) and reenable
them.
For bridge devices with drivers the PCI PM core will only save
their state on suspend if the driver hasn't done that already.
Still, the core will restore their state (early) during resume,
after putting them into D0, if necessary.
For non-bridge devices with drivers the PCI PM core will only save
their state on suspend if the driver hasn't done that already. Also,
if the state of the device hasn't been saved by the driver, the core
will attempt to put the device into a low power state. During
resume the core will restore the state of the device (early), after
putting it into D0, if necessary.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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pci_restore_standard_config() unconditionally changes current_state
to PCI_D0 after attempting to change the device's power state, but
it should rather read the actual current power state from the
device.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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It is a mistake to disable and enable PCI bridges and PCI Express
ports during suspend-resume, at least at the time when it is
currently done. Disabling them may lead to problems with accessing
devices behind them and they should be automatically enabled when
their standard config spaces are restored. Fix this by not attempting
to disable bridges during suspend and enable them during resume.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Simplify suspend and resume of the PCI Express port driver. It no
longer needs to save and restore the standard configuration space of the
device; this is now done by the PCI PM core layer.
This patch is reported to fix the regression tracked as
http://bugzilla.kernel.org/show_bug.cgi?id=12598
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-and-tested-by: Parag Warudkar <parag.lkml@gmail.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Make pci_legacy_suspend() save the state of the device if it is
in PCI_UNKNOWN after its suspend callback has run and warn only if
the power state of the device has been changed by its suspend
callback.
Also, use WARN_ONCE(), which is more useful, in pci_legacy_suspend(),
so that the name of the offending function is printed.
Additionally, remove the unnecessary line of code setting
pci_dev->state_saved.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Check if the standard configuration registers of a PCI device have
been saved during suspend before trying to restore them during
resume.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-By: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Suspend to RAM is reported to break on some machines as a result of
attempting to put one of driverless PCI devices into a low power
state. Avoid that by not attepmting to power manage driverless
devices during suspend.
Fix up pci_pm_poweroff() after a previous incomplete fix for the same
thing during hibernation.
This patch is reported to fix the regression from 2.6.28 tracked as
http://bugzilla.kernel.org/show_bug.cgi?id=12605
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-and-tested-by: Eric Sesterhenn <snakebyte@gmx.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This patch makes the ROM reading code return an error to user space if
the size of the ROM read is equal to 0.
The patch also emits a warnings if the contents of the ROM are invalid,
and documents the effects of the "enable" file on ROM reading.
Signed-off-by: Timothy S. Nelson <wayland@wayland.id.au>
Acked-by: Alex Villacis-Lasso <a_villacis@palosanto.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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We only want to disable ASPM when the last function is removed from
the parent's device list. We determine this by checking to see if
the parent's device list is completely empty.
Unfortunately, we never hit that code because the parent is considered
an upstream port, and never had an ASPM link_state associated with it.
The early check for !link_state causes us to return early, we never
discover that our device list is empty, and thus we never remove the
downstream ports' link_state nodes.
Instead of checking to see if the parent's device list is empty, we can
check to see if we are the last device on the list, and if so, then we
know that we can clean up properly.
Cc: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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SOFT_RESET must be asserted for at least 3 TX clocks in order for it to work
properly. The syncs in the gfar_write() commands have been hiding this, but
we need to guarantee it.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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BD_LENGTH_MASK is supposed to catch the low 16-bits of the status field, not
the low byte. The old way, we would never be able to clean up tx packets with
sizes divisible by 256.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The LRO switch is always set to 1 in the rx processing loop.
It breaks the accelerated iSCSI receive traffic.
Fix its computation.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix user-visible grammo.
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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There's a small problem with hpet_rtc_reinit function - it checks
for the:
hpet_readl(HPET_COUNTER) - hpet_t1_cmp > 0
to continue increasing both the HPET_T1_CMP (register) and the
hpet_t1_cmp (variable).
But since the HPET_COUNTER is always 32-bit, if the hpet_t1_cmp
is 64-bit this condition will always be FALSE once the latter hits
the 32-bit boundary, and we can have a situation, when we don't
increase the HPET_T1_CMP register high enough.
The result - timer stops ticking, since HPET_T1_CMP becomes less,
than the COUNTER and never increased again.
The solution is (based on Linus's suggestion) to not compare 64-bits
(on 64-bit x86), but to do the comparison on 32-bit signed
integers.
Reported-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Added model=fujisu-pi2515 for FSC Amilo Xi2550 with ALC883 codec.
Refernece: Novell bnc#450979
https://bugzilla.novell.com/show_bug.cgi?id=450979
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: APIC: enable workaround on AMD Fam10h CPUs
xen: disable interrupts before saving in percpu
x86: add x86@kernel.org to MAINTAINERS
x86: push old stack address on irqstack for unwinder
irq, x86: fix lock status with numa_migrate_irq_desc
x86: add cache descriptors for Intel Core i7
x86/Voyager: make it build and boot
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: add missing kernel-doc in sched.h
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
ftrace: do_each_pid_task() needs rcu lock
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Christian Borntraeger reports:
> After a logical cpu offline, even on a complete idle system, there
> is one cpu with full ticks. It turns out that nohz.cpu_mask has the
> the offlined cpu still set.
>
> In select_nohz_load_balancer() we check if the system is completely
> idle to turn of load balancing. We compare cpu_online_map with
> nohz.cpu_mask. Since cpu_online_map is updated on cpu unplug,
> but nohz.cpu_mask is not, the check fails and the scheduler believes
> that we need an "idle load balancer" even on a fully idle system.
> Since the ilb cpu does not deactivate the timer tick this breaks NOHZ.
Fix the select_nohz_load_balancer() to not set the nohz.cpu_mask
while a cpu is going offline.
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: cleanup
Some lines exceed the 80 char width making them unreadable.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This is the right thing to do and fixes the following warning:
[ 115.012278] ------------[ cut here ]------------
[ 115.012281] WARNING: at drivers/pci/pci-driver.c:370
pci_legacy_suspend+0x85/0xc2()
[ 115.012285] Hardware name: Latitude D630
[ 115.012301] PCI PM: Device state not saved by
iwl3945_pci_suspend+0x0/0x4c [iwl3945]
[ 115.012304] Modules linked in: fuse nfsd lockd nfs_acl auth_rpcgss
exportfs sunrpc ipv6 acpi_cpufreq kvm_intel kvm snd_hda_codec_idt
snd_hda_intel snd_hda_codec snd_hwdep arc4 snd_seq_device snd_pcm_oss
snd_mixer_oss ecb snd_pcm cryptomgr aead snd_timer crypto_blkcipher
snd snd_page_alloc ohci1394 crypto_hash crypto_algapi ch341 ieee1394
usbserial thermal iwl3945 mac80211 led_class lib80211 tg3 processor
i2c_i801 i2c_core sg cfg80211 libphy usbhid battery ac button sr_mod
cdrom evdev dcdbas ata_generic ata_piix libata sd_mod scsi_mod ext3
jbd mbcache uhci_hcd ohci_hcd ehci_hcd usbcore [last unloaded:
microcode]
[ 115.012374] Pid: 4163, comm: pm-suspend Not tainted
2.6.29-rc3-00227-gf1dd849-dirty #67
[ 115.012377] Call Trace:
[ 115.012382] [<ffffffff8023d04d>] warn_slowpath+0xb1/0xed
[ 115.012387] [<ffffffff80450b5e>] ? _spin_unlock_irqrestore+0x5c/0x78
[ 115.012390] [<ffffffff80254f08>] ? up+0x34/0x39
[ 115.012394] [<ffffffff80362319>] ? acpi_ut_release_mutex+0x5d/0x61
[ 115.012397] [<ffffffff803584b2>] ? acpi_get_data+0x5e/0x70
[ 115.012400] [<ffffffff80363dd9>] ? acpi_bus_get_device+0x25/0x39
[ 115.012403] [<ffffffff80363e98>] ? acpi_bus_power_manageable+0x11/0x29
[ 115.012406] [<ffffffff803462f7>] ? acpi_pci_power_manageable+0x17/0x19
[ 115.012410] [<ffffffff8033ddfd>] ? pci_set_power_state+0xcc/0x101
[ 115.012418] [<ffffffffa01f28e9>] ? iwl3945_pci_suspend+0x0/0x4c [iwl3945]
[ 115.012422] [<ffffffff803401e6>] pci_legacy_suspend+0x85/0xc2
[ 115.012425] [<ffffffff80340316>] pci_pm_suspend+0x34/0x86
[ 115.012429] [<ffffffff8039d7ce>] pm_op+0x52/0xe5
[ 115.012432] [<ffffffff8039dd78>] device_suspend+0x32a/0x451
[ 115.012436] [<ffffffff80269ec2>] suspend_devices_and_enter+0x3e/0x13a
[ 115.012439] [<ffffffff8026a128>] enter_state+0x110/0x164
[ 115.012442] [<ffffffff8026a233>] state_store+0xb7/0xd7
[ 115.012446] [<ffffffff8032f95f>] kobj_attr_store+0x17/0x19
[ 115.012449] [<ffffffff80307d64>] sysfs_write_file+0xe4/0x119
[ 115.012453] [<ffffffff802baa7a>] vfs_write+0xae/0x137
[ 115.012456] [<ffffffff802babc7>] sys_write+0x47/0x70
[ 115.012459] [<ffffffff8020b73a>] system_call_fastpath+0x16/0x1b
[ 115.012467] ---[ end trace 829828966f6f24dc ]---
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Tested-by: Ming Lei <tom.leiming@gmail.com>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Cleans uCode key table bit map iwl_clear_stations_table
since all stations are cleared also the key table must be.
Since the keys are not removed properly on suspend by mac80211
this may result in exhausting key table on resume leading
to memory corruption during removal
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch echoes what we already do on 32-bit since
90f7d25c6b672137344f447a30a9159945ffea72, and prints the DMI
product name in show_regs, so that system specific problems can be
easily identified.
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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configfs_depend_item()"
This reverts commit 0e0333429a6280e6eb3c98845e4eed90d5f8078a.
I committed this by accident - Joel and Louis are working with the lockdep
maintainer to provide a better solution than just turning lockdep off.
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Acked-by: <Joel Becker <joel.becker@oracle.com>
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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: pcm_oss: AFMT_S24_LE is set twice in return value
ALSA: ASoC: email - update email addresses.
OMAP: ASoC: Fix spinlock misuse in omap-pcm.c
ALSA: hda - No widget selection for volume knob widgets in proc output
ALSA: hda - Add support of iMac 24 Aluminium
ALSA: alsa: time reaches -1, tested 0
ALSA: hda - Add quirk for another HP dv5 model
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AFMT_S24_LE is set twice in return value
vi sound/core/oss/pcm_oss.c +640
#define AFMT_S24_LE 0x00008000
#define AFMT_S24_BE 0x00010000
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (40 commits)
Blackfin arch: Remove outdated code
Blackfin arch: Fix udelay implementation
Blackfin arch: Update Copyright information
Blackfin arch: Add BF561 PPI POLS, POLC Masks
Blackfin arch: Update CM-BF527 kernel config
Blackfin arch: define bfin_memmap as static since it is only used here
Blackfin arch: cplb mananger: use a do...while loop rather than a for loop
Blackfin arch: fix bug - traps test case 19 for exception 0x2d fails
Blackfin arch: add platform device bfin_mii-bus and KSZ8893M switch driver platform resources to board files
Blackfin arch: build jtag tty driver as a module by default
Blackfin arch: fix 2 bugs related to debug
Blackfin arch: Add ANOMALY_05000380 to BF54x to kill the compile warning
Blackfin arch: Fix bug - 561 SMP kernel can't boot from jffs2
Blackfin arch: base SIC_IWR# programming on whether the MMR exists
Blackfin arch: read SYSCR on newer parts that mirror the bits of SWRST in it
Blackfin arch: fixup board init function name
Blackfin arch: drop CONFIG_I2C_BOARDINFO ifdefs
Blackfin arch: bfin_reset->_bfin_reset redirection no longer needed
Blackfin arch: sync reboot handler with version in u-boot
Blackfin arch: Faster Implementation of csum_tcpudp_nofold()
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Kill bogus TPC/address truncation during 32-bit faults.
sparc: fixup for sparseirq changes
sparc64: Validate kernel generated fault addresses on sparc64.
sparc64: On non-Niagara, need to touch NMI watchdog in NOHZ mode.
sparc64: Implement NMI watchdog on capable cpus.
sparc: Probe PMU type and record in sparc_pmu_type.
sparc64: Move generic PCR support code to seperate file.
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
sunrpc: fix rdma dependencies
e1000: Fix PCI enable to honor the need_ioport flag
sgi-xp: link XPNET's net_device_ops to its net_device structure
pcnet_cs: Fix misuse of the equality operator.
hso: add new device id's
dca: redesign locks to fix deadlocks
cassini/sungem: limit reaches -1, but 0 tested
net: variables reach -1, but 0 tested
qlge: bugfix: Add missing netif_napi_del call.
qlge: bugfix: Add flash offset for second port.
qlge: bugfix: Fix endian issue when reading flash.
udp: increments sk_drops in __udp_queue_rcv_skb()
net: Fix userland breakage wrt. linux/if_tunnel.h
net: packet socket packet_lookup_frame fix
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* 'for-linus' of git://git.o-hand.com/linux-mfd:
mfd: Remove non exported references from pcf50633
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On fast devices that go from congested to uncongested very quickly, pdflush
is waiting too often in congestion_wait, and the FS is backing off to
easily in write_cache_pages.
For now, fix this on the btrfs side by only checking congestion after
some bios have already gone down. Longer term a real fix is needed
for pdflush, but that is a larger project.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Whenever an item deletion is done, we need to balance all the nodes
in the tree to make sure we don't end up with an empty node if a pointer
is deleted. This balance prep happens from the root of the tree down
so we can drop our locks as we go.
reada_for_balance was triggering read-ahead on neighboring nodes even
when no balancing was required. This adds an extra check to avoid
calling balance_level() and avoid reada_for_balance() when a balance
won't be required.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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btrfs_unlock_up_safe would break out at the first NULL node entry or
unlocked node it found in the path.
Some of the callers have missing nodes at the lower levels of the path, so this
commit fixes things to check all the nodes in the path before returning.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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btrfs_del_leaf does two things. First it removes the pointer in the
parent, and then it frees the block that has the leaf. It has the
parent node locked for both operations.
But, it only needs the parent locked while it is deleting the pointer.
After that it can safely free the block without the parent locked.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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