| Commit message (Collapse) | Author | Age | Files | Lines |
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Store and log all PIDs with reference to the initial PID namespace and
use the access functions task_pid_nr() and task_tgid_nr() for task->pid
and task->tgid.
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
(informed by ebiederman's c776b5d2)
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
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Linux 3.13
Conflicts:
include/net/xfrm.h
Simple merge where v3.13 removed 'extern' from definitions and the audit
tree did s/u32/unsigned int/ to the same definitions.
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Since commit 61b365a505d6 ("drm/nouveau: populate master subdev pointer
only when fully constructed"), the nouveau_mxm(bios) call will return
NULL, since it's still being called from the constructor. Instead, pass
the mxm pointer via the unused data field.
See https://bugs.freedesktop.org/show_bug.cgi?id=73791
Reported-by: Andreas Reis <andreas.reis@gmail.com>
Tested-by: Andreas Reis <andreas.reis@gmail.com>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull last-minute ACPI fix from Rafael Wysocki:
"This reverts a commit that causes the Alan Cox' ASUS T100TA to "crash
and burn" during boot if the Baytrail pinctrl driver is compiled in"
* tag 'acpi-3.13-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs"
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This reverts commit f6308b36c411 (ACPI: Add BayTrail SoC GPIO and LPSS
ACPI IDs), because it causes the Alan Cox' ASUS T100TA to "crash and
burn" during boot if the Baytrail pinctrl driver is compiled in.
Fixes: f6308b36c411 (ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs)
Reported-by: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
Requested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull networking fixes from David Miller:
1) The value choosen for the new SO_MAX_PACING_RATE socket option on
parisc was very poorly choosen, let's fix it while we still can.
From Eric Dumazet.
2) Our generic reciprocal divide was found to handle some edge cases
incorrectly, part of this is encoded into the BPF as deep as the JIT
engines themselves. Just use a real divide throughout for now.
From Eric Dumazet.
3) Because the initial lookup is lockless, the TCP metrics engine can
end up creating two entries for the same lookup key. Fix this by
doing a second lookup under the lock before we actually create the
new entry. From Christoph Paasch.
4) Fix scatter-gather list init in usbnet driver, from Bjørn Mork.
5) Fix unintended 32-bit truncation in cxgb4 driver's bit shifting.
From Dan Carpenter.
6) Netlink socket dumping uses the wrong socket state for timewait
sockets. Fix from Neal Cardwell.
7) Fix netlink memory leak in ieee802154_add_iface(), from Christian
Engelmayer.
8) Multicast forwarding in ipv4 can overflow the per-rule reference
counts, causing all multicast traffic to cease. Fix from Hannes
Frederic Sowa.
9) via-rhine needs to stop all TX queues when it resets the device,
from Richard Weinberger.
10) Fix RDS per-cpu accesses broken by the this_cpu_* conversions. From
Gerald Schaefer.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
s390/bpf,jit: fix 32 bit divisions, use unsigned divide instructions
parisc: fix SO_MAX_PACING_RATE typo
ipv6: simplify detection of first operational link-local address on interface
tcp: metrics: Avoid duplicate entries with the same destination-IP
net: rds: fix per-cpu helper usage
e1000e: Fix compilation warning when !CONFIG_PM_SLEEP
bpf: do not use reciprocal divide
be2net: add dma_mapping_error() check for dma_map_page()
bnx2x: Don't release PCI bars on shutdown
net,via-rhine: Fix tx_timeout handling
batman-adv: fix batman-adv header overhead calculation
qlge: Fix vlan netdev features.
net: avoid reference counter overflows on fib_rules in multicast forwarding
dm9601: add USB IDs for new dm96xx variants
MAINTAINERS: add virtio-dev ML for virtio
ieee802154: Fix memory leak in ieee802154_add_iface()
net: usbnet: fix SG initialisation
inet_diag: fix inet_diag_dump_icsk() to use correct state for timewait sockets
cxgb4: silence shift wrapping static checker warning
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Commit 7509963c703b (e1000e: Fix a compile flag mis-match for
suspend/resume) moved suspend and resume hooks to be available when
CONFIG_PM is set. However, it can be set even if CONFIG_PM_SLEEP is not set
causing following warnings to be emitted:
drivers/net/ethernet/intel/e1000e/netdev.c:6178:12: warning:
‘e1000_suspend’ defined but not used [-Wunused-function]
drivers/net/ethernet/intel/e1000e/netdev.c:6185:12: warning:
‘e1000_resume’ defined but not used [-Wunused-function]
To fix this make the hooks to be available only when CONFIG_PM_SLEEP is set
and remove CONFIG_PM wrapping from driver ops because this is already
handled by SET_SYSTEM_SLEEP_PM_OPS() and SET_RUNTIME_PM_OPS().
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Dave Ertman <davidx.m.ertman@intel.com>
Cc: Aaron Brown <aaron.f.brown@intel.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver does not check value returned by dma_map_page. The patch
fixes this.
v2: Removed the bugfix for non-bug ;-) (thanks Sathya)
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Sathya Perla <Sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bnx2x driver in its pci shutdown() callback releases its pci bars (in the
same manner it does during its pci remove() callback).
During a system reboot while VFs are enabled, its possible for the VF's remove
to be called (as a result of pci_disable_sriov()) after its shutdown callback
has already finished running; This will cause a paging request fault as the VF
tries to access the pci bar which it has previously released, crashing the
system.
This patch further differentiates the shutdown and remove callbacks, preventing the
pci release procedures from being called during shutdown.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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rhine_reset_task() misses to disable the tx scheduler upon reset,
this can lead to a crash if work is still scheduled while we're resetting
the tx queue.
Fixes:
[ 93.591707] BUG: unable to handle kernel NULL pointer dereference at 0000004c
[ 93.595514] IP: [<c119d10d>] rhine_napipoll+0x491/0x6
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vlan gets the same netdev features except vlan filter.
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A number of new dm96xx variants now exist.
Reported-by: Joseph Chang <joseph_chang@davicom.com.tw>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 60e453a940ac ("USBNET: fix handling padding packet")
added an extra SG entry in case padding is necessary, but
failed to update the initialisation of the list. This can
cause list traversal to fall off the end of the list,
resulting in an oops.
Fixes: 60e453a940ac ("USBNET: fix handling padding packet")
Reported-by: Thomas Kear <thomas@kear.co.nz>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Tested-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I don't know how large "tp->vlan_shift" is but static checkers worry
about shift wrapping bugs here.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler and timer fixes from Ingo Molnar:
"Contains a fix for a scheduler bug that manifested itself as a 3D
performance regression and a crash fix for the ARM Cadence TTC clock
driver"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Calculate effective load even if local weight is 0
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: cadence_ttc: Fix mutex taken inside interrupt context
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git://git.linaro.org/people/daniel.lezcano/linux into timers/urgent
Pull clock driver fix from Daniel Lezcano:
" * Soren Brinkmann fixed the cadence_ttc driver where a call to
clk_get_rate happens in an interrupt context. More precisely in an IPI
when the broadcast timer is initialized for each cpu in the cpuidle
driver. "
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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When the kernel is compiled with:
CONFIG_HIGH_RES_TIMERS=no
CONFIG_HZ_PERIODIC=yes
CONFIG_DEBUG_ATOMIC_SLEEP=yes
The following WARN appears:
WARNING: CPU: 1 PID: 0 at linux/kernel/mutex.c:856 mutex_trylock+0x70/0x1fc()
DEBUG_LOCKS_WARN_ON(in_interrupt())
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.12.0-xilinx-dirty #93
[<c0014a78>] (unwind_backtrace+0x0/0x11c) from [<c0011b6c>] (show_stack+0x10/0x14)
[<c0011b6c>] (show_stack+0x10/0x14) from [<c039120c>] (dump_stack+0x7c/0xc0)
[<c039120c>] (dump_stack+0x7c/0xc0) from [<c001fda4>] (warn_slowpath_common+0x60/0x84)
[<c001fda4>] (warn_slowpath_common+0x60/0x84) from [<c001fe48>] (warn_slowpath_fmt+0x2c/0x3c)
[<c001fe48>] (warn_slowpath_fmt+0x2c/0x3c) from [<c0392658>] (mutex_trylock+0x70/0x1fc)
[<c0392658>] (mutex_trylock+0x70/0x1fc) from [<c02dfc08>] (clk_prepare_lock+0xc/0xe4)
[<c02dfc08>] (clk_prepare_lock+0xc/0xe4) from [<c02e099c>] (clk_get_rate+0xc/0x44)
[<c02e099c>] (clk_get_rate+0xc/0x44) from [<c02d0394>] (ttc_set_mode+0x34/0x78)
[<c02d0394>] (ttc_set_mode+0x34/0x78) from [<c005f794>] (clockevents_set_mode+0x28/0x5c)
[<c005f794>] (clockevents_set_mode+0x28/0x5c) from [<c00607fc>] (tick_broadcast_on_off+0x190/0x1c0)
[<c00607fc>] (tick_broadcast_on_off+0x190/0x1c0) from [<c005f168>] (clockevents_notify+0x58/0x1ac)
[<c005f168>] (clockevents_notify+0x58/0x1ac) from [<c02b99dc>] (cpuidle_setup_broadcast_timer+0x20/0x24)
[<c02b99dc>] (cpuidle_setup_broadcast_timer+0x20/0x24) from [<c006cd04>] (generic_smp_call_function_single_interrupt+0)
[<c006cd04>] (generic_smp_call_function_single_interrupt+0xe0/0x130) from [<c00138c8>] (handle_IPI+0x88/0x118)
[<c00138c8>] (handle_IPI+0x88/0x118) from [<c0008504>] (gic_handle_irq+0x58/0x60)
[<c0008504>] (gic_handle_irq+0x58/0x60) from [<c0012644>] (__irq_svc+0x44/0x78)
Exception stack(0xef099fa0 to 0xef099fe8)
9fa0: 00000001 ef092100 00000000 ef092100 ef098000 00000015 c0399f2c c0579d74
9fc0: 0000406a 413fc090 00000000 00000000 00000000 ef099fe8 c00666ec c000f46c
9fe0: 20000113 ffffffff
[<c0012644>] (__irq_svc+0x44/0x78) from [<c000f46c>] (arch_cpu_idle+0x34/0x3c)
[<c000f46c>] (arch_cpu_idle+0x34/0x3c) from [<c0053980>] (cpu_startup_entry+0xa8/0x10c)
[<c0053980>] (cpu_startup_entry+0xa8/0x10c) from [<000085a4>] (0x85a4)
We are in an interrupt context (IPI) and we are calling clk_get_rate in the
set_mode function which in turn ends up by getting a mutex... Even if that
does not hang, it is a potential kernel deadlock.
It is not allowed to call clk_get_rate() from interrupt context. To
avoid such calls the timer input frequency is stored in the driver's
data struct which makes it accessible to the driver in any context.
[dlezcano] completed the changelog with the WARN trace and added a more
detailed description. Tested on zync zc702.
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fix from Guenter Roeck:
"Fix attribute length problem in coretemp driver"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (coretemp) Fix truncated name of alarm attributes
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When the core number exceeds 9, the size of the buffer storing the
alarm attribute name is insufficient and the attribute name is
truncated. This causes libsensors to skip these attributes as the
truncated name is not recognized.
Reported-by: Andreas Hollmann <hollmann@in.tum.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Pull late md fixes from Neil Brown:
"Half a dozen md bug fixes.
All of these fix real bugs the people have hit, and are tagged for
-stable. Sorry they are late .... Christmas holidays and all that.
Hopefully they can still squeak into 3.13"
* tag 'md/3.13-fixes' of git://neil.brown.name/md:
md: fix problem when adding device to read-only array with bitmap.
md/raid10: fix bug when raid10 recovery fails to recover a block.
md/raid5: fix a recently broken BUG_ON().
md/raid1: fix request counting bug in new 'barrier' code.
md/raid10: fix two bugs in handling of known-bad-blocks.
md/raid5: Fix possible confusion when multiple write errors occur.
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If an array is started degraded, and then the missing device
is found it can be re-added and a minimal bitmap-based recovery
will bring it fully up-to-date.
If the array is read-only a recovery would not be allowed.
But also if the array is read-only and the missing device was
present very recently, then there could be no need for any
recovery at all, so we simply include the device in the read-only
array without any recovery.
However... if the missing device was removed a little longer ago
it could be missing some updates, but if a bitmap is present it will
be conditionally accepted pending a bitmap-based update. We don't
currently detect this case properly and will include that old
device into the read-only array with no recovery even though it really
needs a recovery.
This patch keeps track of whether a bitmap-based-recovery is really
needed or not in the new Bitmap_sync rdev flag. If that is set,
then the device will not be added to a read-only array.
Cc: Andrei Warkentin <andreiw@vmware.com>
Fixes: d70ed2e4fafdbef0800e73942482bb075c21578b
Cc: stable@vger.kernel.org (3.2+)
Signed-off-by: NeilBrown <neilb@suse.de>
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commit e875ecea266a543e643b19e44cf472f1412708f9
md/raid10 record bad blocks as needed during recovery.
added code to the "cannot recover this block" path to record a bad
block rather than fail the whole recovery.
Unfortunately this new case was placed *after* r10bio was freed rather
than *before*, yet it still uses r10bio.
This is will crash with a null dereference.
So move the freeing of r10bio down where it is safe.
Cc: stable@vger.kernel.org (v3.1+)
Fixes: e875ecea266a543e643b19e44cf472f1412708f9
Reported-by: Damian Nowak <spam@nowaker.net>
URL: https://bugzilla.kernel.org/show_bug.cgi?id=68181
Signed-off-by: NeilBrown <neilb@suse.de>
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commit 6d183de4077191d1201283a9035ce57a9b05254d
md/raid5: fix newly-broken locking in get_active_stripe.
simplified a BUG_ON, but removed too much so now it sometimes fires
when it shouldn't.
When the STRIPE_EXPANDING flag is set, the stripe_head might be on a
special list while multiple stripe_heads are collected, or it might
not be on any list, even a 'free' list when the refcount is zero. As
long as STRIPE_EXPANDING is set, it will be found and added back to a
list eventually.
So both of the BUG_ONs which test for the ->lru being empty or not
need to avoid the case where STRIPE_EXPANDING is set.
The patch which broke this was marked for -stable, so this patch needs
to be applied to any branch that received 6d183de4
Fixes: 6d183de4077191d1201283a9035ce57a9b05254d
Cc: stable@vger.kernel.org (any release to which above was applied)
Signed-off-by: NeilBrown <neilb@suse.de>
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The new iobarrier implementation in raid1 (which keeps normal writes
and resync activity separate) counts every request what is not before
the current resync point in either next_window_requests or
current_window_requests.
It flags that the request is counted by setting ->start_next_window.
allow_barrier follows this model exactly and decrements one of the
*_window_requests if and only if ->start_next_window is set.
However wait_barrier(), which increments *_window_requests uses a
slightly different test for setting -.start_next_window (which is set
from the return value of this function).
So there is a possibility of the counts getting out of sync, and this
leads to the resync hanging.
So change wait_barrier() to return a non-zero value in exactly the
same cases that it increments *_window_requests.
But was introduced in 3.13-rc1.
Reported-by: Bruno Wolff III <bruno@wolff.to>
URL: https://bugzilla.kernel.org/show_bug.cgi?id=68061
Fixes: 79ef3a8aa1cb1523cc231c9a90a278333c21f761
Cc: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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If we discover a bad block when reading we split the request and
potentially read some of it from a different device.
The code path of this has two bugs in RAID10.
1/ we get a spin_lock with _irq, but unlock without _irq!!
2/ The calculation of 'sectors_handled' is wrong, as can be clearly
seen by comparison with raid1.c
This leads to at least 2 warnings and a probable crash is a RAID10
ever had known bad blocks.
Cc: stable@vger.kernel.org (v3.1+)
Fixes: 856e08e23762dfb92ffc68fd0a8d228f9e152160
Reported-by: Damian Nowak <spam@nowaker.net>
URL: https://bugzilla.kernel.org/show_bug.cgi?id=68181
Signed-off-by: NeilBrown <neilb@suse.de>
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commit 5d8c71f9e5fbdd95650be00294d238e27a363b5c
md: raid5 crash during degradation
Fixed a crash in an overly simplistic way which could leave
R5_WriteError or R5_MadeGood set in the stripe cache for devices
for which it is no longer relevant.
When those devices are removed and spares added the flags are still
set and can cause incorrect behaviour.
commit 14a75d3e07c784c004b4b44b34af996b8e4ac453
md/raid5: preferentially read from replacement device if possible.
Fixed the same bug if a more effective way, so we can now revert
the original commit.
Reported-and-tested-by: Alexander Lyakas <alex.bolshoy@gmail.com>
Cc: stable@vger.kernel.org (3.2+ - 3.2 will need a different fix though)
Fixes: 5d8c71f9e5fbdd95650be00294d238e27a363b5c
Signed-off-by: NeilBrown <neilb@suse.de>
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git://git.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
Single regression fix for nouveau
* 'drm-nouveau-next' of git://git.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau: fix null ptr dereferences on some boards
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Regression from "device: populate master subdev pointer only when fully
constructed"
Reported-by: Bob Gleitsmann <rjgleits@bellsouth.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This reverts commit 3fbd6439e4639ecaeaae6c079e0aa497a1ac3482.
This caused some strange booting lockup issues on an Intel G33
belonging to Daniel Vetter, very unusual, I was hoping Daniel
would track this down, but it looks like instead I'll have to hack
a different fix for -next.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Black screen fixes, one for hsw+bdw each and a regression fix for
locking+load detection.
* tag 'drm-intel-fixes-2014-01-13' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915/bdw: make sure south port interrupts are enabled properly v2
drm/i915: Don't grab crtc mutexes in intel_modeset_gem_init()
drm/i915: fix DDI PLLs HW state readout code
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We were apparently relying on the defaults on BDW, which resulted in no
hotplug or AUX interrupts. So be sure to call the ibx_irq_preinstall to
enable all interrupts.
v2: use preinstall instead of redundant SDIER write
References: https://bugs.freedesktop.org/show_bug.cgi?id=72834
References: https://bugs.freedesktop.org/show_bug.cgi?id=72833
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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When the pipe A force quirk is applied the code will attempt to grab
a crtc mutex during intel_modeset_setup_hw_state(). If we're already
holding all crtc mutexes this will obviously deadlock every time.
So instead of using drm_modeset_lock_all() just grab the
mode_config.mutex. This is enough to avoid the unlocked mutex warnings
from certain lower level functions.
The regression was introduced in:
commit 027476642811f8559cbe00ef6cc54db230e48a20
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Mon Dec 2 11:08:06 2013 +0200
drm/i915: Take modeset locks around intel_modeset_setup_hw_state()
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: stable@vger.kernel.org
[danvet: Add cc: stable since the offending commit has that, too.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Properly zero the refcounts and crtc->ddi_pll_set so the previous HW
state doesn't affect the result of reading the current HW state.
This fixes WARNs about WRPLL refcount if we have an HDMI monitor on
HSW and then suspend/resume.
Cc: stable@vger.kernel.org
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64379
Tested-by: Qingshuai Tian <qingshuai.tian@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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When queue_mode is NULL_Q_MQ and null_blk is being removed,
blk_cleanup_queue() isn't called to cleanup queue, so the queue
allocated won't be freed.
This patch calls blk_cleanup_queue() for MQ to drain all pending
requests first and release the reference counter of queue kobject, then
blk_mq_free_queue() will be called in queue kobject's release handler
when queue kobject's reference counter drops to zero.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull networking fixes from David Miller:
"Famouse last words: "final pull request" :-)
I'm sending this because Jason Wang's fixes are pretty important
1) Add missing per-cpu stats initialization to ip6_vti. Otherwise
lockdep spits out a call trace. From Li RongQing.
2) Fix NULL oops in wireless hwsim, from Javier Lopez
3) TIPC deferred packet queue unlink must NULL out skb->next to avoid
crashes. From Erik Hugne
4) Fix access to uninitialized buffer in nf_nat netfilter code, from
Daniel Borkmann
5) Fix lifetime of ipv6 loopback and SIT tunnel addresses, otherwise
they basically timeout immediately. From Hannes Frederic Sowa
6) Fix DMA unmapping of TSO packets in bnx2x driver, from Michal
Schmidt
7) Do not allow L2 forwarding offload via macvtap device, the way
things are now it will not end up being forwaded at all. From
Jason Wang
8) Fix transmit queue selection via ndo_dfwd_start_xmit(), fixing
things like applying NETIF_F_LLTX to the wrong device (!!) and
eliding the proper transmit watchdog handling
9) qlcnic driver was not updating tx statistics at all, from Manish
Chopra"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
qlcnic: Fix ethtool statistics length calculation
qlcnic: Fix bug in TX statistics
net: core: explicitly select a txq before doing l2 forwarding
macvlan: forbid L2 fowarding offload for macvtap
bnx2x: fix DMA unmapping of TSO split BDs
ipv6: add link-local, sit and loopback address with INFINITY_LIFE_TIME
bnx2x: prevent WARN during driver unload
tipc: correctly unlink packets from deferred packet queue
ipv6: pcpu_tstats.syncp should be initialised in ip6_vti.c
netfilter: only warn once on wrong seqadj usage
netfilter: nf_nat: fix access to uninitialized buffer in IRC NAT helper
NFC: Fix target mode p2p link establishment
iwlwifi: add new devices for 7265 series
mac80211: move "bufferable MMPDU" check to fix AP mode scan
mac80211_hwsim: Fix NULL pointer dereference
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o Consider number of Tx queues while calculating the length of
Tx statistics as part of ethtool stats.
o Calculate statistics lenght properly for 82xx and 83xx adapter
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Driver was not updating TX stats so it was not populating
statistics in `ifconfig` command output.
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the tx queue were selected implicitly in ndo_dfwd_start_xmit(). The
will cause several issues:
- NETIF_F_LLTX were removed for macvlan, so txq lock were done for macvlan
instead of lower device which misses the necessary txq synchronization for
lower device such as txq stopping or frozen required by dev watchdog or
control path.
- dev_hard_start_xmit() was called with NULL txq which bypasses the net device
watchdog.
- dev_hard_start_xmit() does not check txq everywhere which will lead a crash
when tso is disabled for lower device.
Fix this by explicitly introducing a new param for .ndo_select_queue() for just
selecting queues in the case of l2 forwarding offload. netdev_pick_tx() was also
extended to accept this parameter and dev_queue_xmit_accel() was used to do l2
forwarding transmission.
With this fixes, NETIF_F_LLTX could be preserved for macvlan and there's no need
to check txq against NULL in dev_hard_start_xmit(). Also there's no need to keep
a dedicated ndo_dfwd_start_xmit() and we can just reuse the code of
dev_queue_xmit() to do the transmission.
In the future, it was also required for macvtap l2 forwarding support since it
provides a necessary synchronization method.
Cc: John Fastabend <john.r.fastabend@intel.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: e1000-devel@lists.sourceforge.net
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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L2 fowarding offload will bypass the rx handler of real device. This will make
the packet could not be forwarded to macvtap device. Another problem is the
dev_hard_start_xmit() called for macvtap does not have any synchronization.
Fix this by forbidding L2 forwarding for macvtap.
Cc: John Fastabend <john.r.fastabend@intel.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
For the mac80211 bits, Johannes says:
"I have a fix from Javier for mac80211_hwsim when used with wmediumd
userspace, and a fix from Felix for buffering in AP mode."
For the NFC bits, Samuel says:
"This pull request only contains one fix for a regression introduced with
commit e29a9e2ae165620d. Without this fix, we can not establish a p2p link
in target mode. Only initiator mode works."
For the iwlwifi bits, Emmanuel says:
"It only includes new device IDs so it's not vital. If you have a pull
request to net.git anyway, I'd happy to have this in."
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
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Add new device / subdevice ID for 7265 series.
Fix 2 mistakes on the way.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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mac80211_hwsim was crashing when receiving tx information from user
space. Crash happens because txi->rate_driver_data[0] is pointing to a
non valid memory address.
This code path is only used by wmediumd and wmediumd doesn't provide
multiple channel support, so we can pass the channel struct
(data2->channel) directly to mac80211_hwsim_monitor_ack function.
Signed-off-by: Javier Lopez <jlopex@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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bnx2x triggers warnings with CONFIG_DMA_API_DEBUG=y:
WARNING: CPU: 0 PID: 2253 at lib/dma-debug.c:887 check_unmap+0xf8/0x920()
bnx2x 0000:28:00.0: DMA-API: device driver frees DMA memory with
different size [device address=0x00000000da2b389e] [map size=1490 bytes]
[unmap size=66 bytes]
The reason is that bnx2x splits a TSO BD into two BDs (headers + data)
using one DMA mapping for both, but it uses only the length of the first
BD when unmapping.
This patch fixes the bug by unmapping the whole length of the two BDs.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Starting with commit 80c33dd "net: add might_sleep() call to napi_disable"
bnx2x fails the might_sleep tests causing a stack trace to appear whenever
the driver is unloaded, as local_bh_disable() is being called before
napi_disable().
This changes the locking schematics related to CONFIG_NET_RX_BUSY_POLL,
preventing the need for calling local_bh_disable() and thus eliminating
the issue.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED fix from Bryan Wu:
"Pali Rohár and Pavel Machek reported the LED of Nokia N900 doesn't
work with our latest 3.13-rc6 kernel. Milo fixed the regression here"
* 'leds-fixes-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: lp5521/5523: Remove duplicate mutex
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It can be a problem when a pattern is loaded via the firmware interface.
LP55xx common driver has already locked the mutex in 'lp55xx_firmware_loaded()'.
So it should be deleted.
On the other hand, locks are required in store_engine_load()
on updating program memory.
Reported-by: Pali Rohár <pali.rohar@gmail.com>
Reported-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
Cc: <stable@vger.kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
- Recent commits modifying the lists of C-states in the intel_idle
driver introduced bugs leading to crashes on some systems. Two fixes
from Jiang Liu.
- The ACPI AC driver should receive all types of notifications, but
recent change made it ignore some of them. Fix from Alexander Mezin.
- intel_pstate's validity checks for MSRs it depends on are not
sufficient to catch the lack of support in nested KVM setups, so they
are extended to cover that case. From Dirk Brandewie.
- NEC LZ750/LS has a botched up _BIX method in its ACPI tables, so our
ACPI battery driver needs a quirk for it. From Lan Tianyu.
- The tpm_ppi driver sometimes leaks memory allocated by
acpi_get_name(). Fix from Jiang Liu.
* tag 'pm+acpi-3.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
intel_idle: close avn_cstates array with correct marker
Revert "intel_idle: mark states tables with __initdata tag"
ACPI / Battery: Add a _BIX quirk for NEC LZ750/LS
intel_pstate: Add X86_FEATURE_APERFMPERF to cpu match parameters.
ACPI / TPM: fix memory leak when walking ACPI namespace
ACPI / AC: change notification handler type to ACPI_ALL_NOTIFY
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