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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of two small fixes, both to code which went in during
the merge window: cxgb4i has a scheduling in atomic bug in its new
ipv6 code and uas fails to work properly with the new scsi-mq code"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] uas: disable use of blk-mq I/O path
[SCSI] cxgb4i: avoid holding mutex in interrupt context
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Two i2c driver bugfixes"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: qup: Fix order of runtime pm initialization
i2c: rk3x: fix 0 length write transfers
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Pull raid5 discard fix from Neil Brown:
"One fix for raid5 discard issue"
* tag 'md/3.17-final-fix' of git://neil.brown.name/md:
md/raid5: disable 'DISCARD' by default due to safety concerns.
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Pull drm fixes from Dave Airlie:
"Nothing too major or scary.
One i915 regression fix, nouveau has a tmds regression fix, along with
a regression fix for the runtime pm code for optimus laptops not
restoring the display hw correctly"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau: make sure display hardware is reinitialised on runtime resume
drm/nouveau: punt fbcon resume out to a workqueue
drm/nouveau: fix regression on original nv50 board
drm/nv50/disp: fix dpms regression on certain boards
drm/i915: Flush the PTEs after updating them before suspend
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The uas driver uses the block layer tag for USB3 stream IDs. With
blk-mq we can get larger tag numbers that the queue depth, which breaks
this assumption. A fix is under way for 3.18, but sits on top of
large changes so can't easily be backported. Set the disable_blk_mq
path so that a uas device can't easily crash the system when using
blk-mq for SCSI.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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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:
"These are three regression fixes (cpufreq core, pcc-cpufreq, i915 /
ACPI) and one trivial fix for a callback return value mismatch in the
cpufreq integrator driver.
Specifics:
- A recent cpufreq core fix went too far and introduced a regression
in the system suspend code path. Fix from Viresh Kumar.
- An ACPI-related commit in the i915 driver that fixed backlight
problems for some Thinkpads inadvertently broke a Dell machine (in
3.16). Fix from Aaron Lu.
- The pcc-cpufreq driver was broken during the 3.15 cycle by a commit
that put wait_event() under a spinlock by mistake. Fix that
(Rafael J Wysocki).
- The return value type of integrator_cpufreq_remove() is void, but
should be int. Fix from Arnd Bergmann"
* tag 'pm+acpi-3.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: update 'cpufreq_suspended' after stopping governors
ACPI / i915: Update the condition to ignore firmware backlight change request
cpufreq: integrator: fix integrator_cpufreq_remove return type
cpufreq: pcc-cpufreq: Fix wait_event() under spinlock
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git://anongit.freedesktop.org/drm-intel into drm-fixes
final regression fix for 3.17.
* tag 'drm-intel-fixes-2014-10-02' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Flush the PTEs after updating them before suspend
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The runtime pm calls need to be done before populating the children via the
i2c_add_adapter call. If this is not done, a child can run into issues trying
to do i2c read/writes due to the pm_runtime_sync failing.
Signed-off-by: Andy Gross <agross@codeaurora.org>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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i2cdetect -q was broken (everything was a false positive, and no transfers were
actually being sent over i2c). The way it works is by sending a 0 length write
request and checking for NACK. This patch fixes the 0 length writes and actually
sends them.
Reported-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Alexandru M Stan <amstan@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>
Tested-by: Max Schwarz <max.schwarz@online.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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* pm-cpufreq:
cpufreq: update 'cpufreq_suspended' after stopping governors
cpufreq: integrator: fix integrator_cpufreq_remove return type
cpufreq: pcc-cpufreq: Fix wait_event() under spinlock
* acpi-video:
ACPI / i915: Update the condition to ignore firmware backlight change request
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fix from Mauro Carvalho Chehab:
"One last time regression fix at em28xx. The removal of .reset_resume
broke suspend/resume on this driver for some devices.
There are more fixes to be done for em28xx suspend/resume to be better
handled, but I'm opting to let them to stay for a while at the media
devel tree, in order to get more tests. So, for now, let's just
revert this patch"
* tag 'media/v3.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
Revert "[media] media: em28xx - remove reset_resume interface"
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fix from Helge Deller:
"One late but trivial patch to fix the serial console on parisc
machines which got broken during the 3.17 release cycle"
* 'parisc-3.17-8' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix serial console for machines with serial port on superio chip
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Pull networking fixes from David Miller:
1) Don't halt the firmware in r8152 driver, from Hayes Wang.
2) Handle full sized 802.1ad frames in bnx2 and tg3 drivers properly,
from Vlad Yasevich.
3) Don't sleep while holding tx_clean_lock in netxen driver, fix from
Manish Chopra.
4) Certain kinds of ipv6 routes can end up endlessly failing the route
validation test, causing it to be re-looked up over and over again.
This particularly kills input route caching in TCP sockets. Fix
from Hannes Frederic Sowa.
5) netvsc_start_xmit() has a use-after-free access to skb->len, fix
from K Y Srinivasan.
6) Fix matching of inverted containers in ematch module, from Ignacy
Gawędzki.
7) Aggregation of GRO frames via SKB ->frag_list for linear skbs isn't
handled properly, regression fix from Eric Dumazet.
8) Don't test return value of ipv4_neigh_lookup(), which returns an
error pointer, against NULL. From WANG Cong.
9) Fix an old regression where we mistakenly allow a double add of the
same tunnel. Fixes from Steffen Klassert.
10) macvtap device delete and open can run in parallel and corrupt lists
etc., fix from Vlad Yasevich.
11) Fix build error with IPV6=m NETFILTER_XT_TARGET_TPROXY=y, from Pablo
Neira Ayuso.
12) rhashtable_destroy() triggers lockdep splats, fix also from Pablo.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (32 commits)
bna: Update Maintainer Email
r8152: disable power cut for RTL8153
r8152: remove clearing bp
bnx2: Correctly receive full sized 802.1ad fragmes
tg3: Allow for recieve of full-size 8021AD frames
r8152: fix setting RTL8152_UNPLUG
netxen: Fix bug in Tx completion path.
netxen: Fix BUG "sleeping function called from invalid context"
ipv6: remove rt6i_genid
hyperv: Fix a bug in netvsc_start_xmit()
net: stmmac: fix stmmac_pci_probe failed when CONFIG_HAVE_CLK is selected
ematch: Fix matching of inverted containers.
gro: fix aggregation for skb using frag_list
neigh: check error pointer instead of NULL for ipv4_neigh_lookup()
ip6_gre: Return an error when adding an existing tunnel.
ip6_vti: Return an error when adding an existing tunnel.
ip6_tunnel: Return an error when adding an existing tunnel.
ip6gre: add a rtnl link alias for ip6gretap
net/mlx4_core: Allow not to specify probe_vf in SRIOV IB mode
r8152: fix the carrier off when autoresuming
...
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It has come to my attention (thanks Martin) that 'discard_zeroes_data'
is only a hint. Some devices in some cases don't do what it
says on the label.
The use of DISCARD in RAID5 depends on reads from discarded regions
being predictably zero. If a write to a previously discarded region
performs a read-modify-write cycle it assumes that the parity block
was consistent with the data blocks. If all were zero, this would
be the case. If some are and some aren't this would not be the case.
This could lead to data corruption after a device failure when
data needs to be reconstructed from the parity.
As we cannot trust 'discard_zeroes_data', ignore it by default
and so disallow DISCARD on all raid4/5/6 arrays.
As many devices are trustworthy, and as there are benefits to using
DISCARD, add a module parameter to over-ride this caution and cause
DISCARD to work if discard_zeroes_data is set.
If a site want to enable DISCARD on some arrays but not on others they
should select DISCARD support at the filesystem level, and set the
raid456 module parameter.
raid456.devices_handle_discard_safely=Y
As this is a data-safety issue, I believe this patch is suitable for
-stable.
DISCARD support for RAID456 was added in 3.7
Cc: Shaohua Li <shli@kernel.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Heinz Mauelshagen <heinzm@redhat.com>
Cc: stable@vger.kernel.org (3.7+)
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Fixes: 620125f2bf8ff0c4969b79653b54d7bcc9d40637
Signed-off-by: NeilBrown <neilb@suse.de>
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Linus commit 05c63c2ff23a80b654d6c088ac3ba21628db0173 modified the
runtime suspend/resume paths to skip over display-related tasks to
avoid locking issues on resume.
Unfortunately, this resulted in the display hardware being left in
a partially initialised state, preventing subsequent modesets from
completing.
This commit unifies the (many) suspend/resume paths, bringing back
display (and fbcon) handling in the runtime paths.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Preparation for some runtime pm fixes. Currently we skip over fbcon
suspend/resume in the runtime path, which causes issues on resume if
fbcon tries to write to the framebuffer before the BAR subdev has
been resumed to restore the BAR1 VM setup.
As we might be woken up via a sysfs connector, we are unable to call
fb_set_suspend() in the resume path as it could make its way down to
a modeset and cause all sorts of locking hilarity.
To solve this, we'll just delay the fbcon resume to a workqueue.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Xorg (and any non-DRM client really) doesn't have permission to directly
touch VRAM on nv50 and up, which the fence code prior to g84 depends on.
It's less invasive to temporarily grant it premission to do so, as it
previously did, than it is to rework fencenv50 to use the VM. That
will come later on.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reported in fdo#82527 comment #2.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The firmware would be clear when the power cut is enabled for
RTL8153.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The xxx_clear_bp() is used to halt the firmware. It only necessary
for updating the new firmware. Besides, depend on the version of
the current firmware, it may have problem to halt the firmware
directly. Finally, halt the firmware would let the firmware code
useless, and the bugs which are fixed by the firmware would occur.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This driver, similar to tg3, has a check that will
cause full sized 802.1ad frames to be dropped. The
frame will be larger then the standard mtu due to the
presense of vlan header that has not been stripped.
The driver should not drop this frame and should process
it just like it does for 802.1q.
CC: Sony Chacko <sony.chacko@qlogic.com>
CC: Dept-HSGLinuxNICDev@qlogic.com
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When receiving a vlan-tagged frame that still contains
a vlan header, the length of the packet will be greater
then MTU+ETH_HLEN since it will account of the extra
vlan header. TG3 checks this for the case for 802.1Q,
but not for 802.1ad. As a result, full sized 802.1ad
frames get dropped by the card.
Add a check for 802.1ad protocol when receving full
sized frames.
Suggested-by: Prashant Sreedharan <prashant@broadcom.com>
CC: Prashant Sreedharan <prashant@broadcom.com>
CC: Michael Chan <mchan@broadcom.com>
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the serial console on machines where the serial port is located on
the SuperIO chip.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: Peter Hurley <peter@hurleysoftware.com>
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cxgbi_inet6addr_handler() can be called in interrupt context, so use rcu
protected list while finding netdev. This is observed as a scheduling in
atomic oops when running over ipv6.
Fixes: fc8d0590d914 ("libcxgbi: Add ipv6 api to driver")
Fixes: 759a0cc5a3e1 ("cxgb4i: Add ipv6 code to driver, call into libcxgbi ipv6 api")
Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: Karen Xie <kxie@chelsio.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The flag of RTL8152_UNPLUG should only be set when the device is
unplugged, not each time the rtl8152_disconnect() is called.
Otherwise, the device wouldn't be stopped normally.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Driver is not updating sw_consumer while processing Tx completion
when interface is going down. Due to this interface down path gets
stuck forever waiting for NAPI to complete.
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o __netxen_nic_down() function might sleep while holding spinlock_t(tx_clean_lock).
Acquire this lock for only releasing TX buffers instead of taking it
for whole down path.
Reported-by: Mike Galbraith <umgwanakikbuti@gmail.com>
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 8e30444e1530 ("cpufreq: fix cpufreq suspend/resume for intel_pstate")
introduced a bug where the governors wouldn't be stopped anymore for
->target{_index}() drivers during suspend. This happens because
'cpufreq_suspended' is updated before stopping the governors during suspend
and due to this __cpufreq_governor() would return early due to this check:
/* Don't start any governor operations if we are entering suspend */
if (cpufreq_suspended)
return 0;
Fixes: 8e30444e1530 ("cpufreq: fix cpufreq suspend/resume for intel_pstate")
Cc: 3.15+ <stable@vger.kernel.org> # 3.15+: 8e30444e1530 "cpufreq: fix cpufreq suspend/resume for intel_pstate"
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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After the packet is successfully sent, we should not touch the skb
as it may have been freed. This patch is based on the work done by
Long Li <longli@microsoft.com>.
In this version of the patch I have fixed issues pointed out by David.
David, please queue this up for stable.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Tested-by: Long Li <longli@microsoft.com>
Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some of the Thinkpads' firmware will issue a backlight change request
through i915 operation region unconditionally on AC plug/unplug, the
backlight level used is arbitrary and thus should be ignored. This is
handled by commit 0b9f7d93ca61 (ACPI / i915: ignore firmware requests
for backlight change). Then there is a Dell laptop whose vendor backlight
interface also makes use of operation region to change backlight level
and with the above commit, that interface no long works. The condition
used to ignore the backlight change request from firmware is thus
changed to: if the vendor backlight interface is not in use and the ACPI
backlight interface is broken, we ignore the requests; oterwise, we keep
processing them.
Fixes: 0b9f7d93ca61 (ACPI / i915: ignore firmware requests for backlight change)
Link: https://lkml.org/lkml/2014/9/23/854
Reported-and-tested-by: Pali Rohár <pali.rohar@gmail.com>
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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When the CONFIG_HAVE_CLK is selected for the system, the stmmac_pci_probe
will fail with dmesg:
[ 2.167225] stmmaceth 0000:00:14.6: enabling device (0000 -> 0002)
[ 2.178267] stmmaceth 0000:00:14.6: enabling bus mastering
[ 2.178436] stmmaceth 0000:00:14.6: irq 24 for MSI/MSI-X
[ 2.178703] stmmaceth 0000:00:14.6: stmmac_dvr_probe: warning: cannot
get CSR clock
[ 2.186503] stmmac_pci_probe: main driver probe failed
[ 2.194003] stmmaceth 0000:00:14.6: disabling bus mastering
[ 2.196473] stmmaceth: probe of 0000:00:14.6 failed with error -2
This patch fix the issue by breaking the dependency to devm_clk_get()
as the CSR clock can be obtained at priv->plat->clk_csr from pci driver.
Reported-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Signed-off-by: Kweh, Hock Leong <hock.leong.kweh@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As we use WC updates of the PTE, we are responsible for notifying the
hardware when to flush its TLBs. Do so after we zap all the PTEs before
suspend (and the BIOS tries to read our GTT).
Fixes a regression from
commit 828c79087cec61eaf4c76bb32c222fbe35ac3930
Author: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Wed Oct 16 09:21:30 2013 -0700
drm/i915: Disable GGTT PTEs on GEN6+ suspend
that survived and continue to cause harm even after
commit e568af1c626031925465a5caaab7cca1303d55c7
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Mar 26 20:08:20 2014 +0100
drm/i915: Undo gtt scratch pte unmapping again
v2: Trivial rebase.
v3: Fixes requires pointer dances.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82340
Tested-by: ming.yao@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Todd Previte <tprevite@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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When building this driver as a module, we get a helpful warning
about the return type:
drivers/cpufreq/integrator-cpufreq.c:232:2: warning: initialization from incompatible pointer type
.remove = __exit_p(integrator_cpufreq_remove),
If the remove callback returns void, the caller gets an undefined
value as it expects an integer to be returned. This fixes the
problem by passing down the value from cpufreq_unregister_driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fix the following bug introduced by commit 8fec051eea73 (cpufreq:
Convert existing drivers to use cpufreq_freq_transition_{begin|end})
that forgot to move the spin_lock() in pcc_cpufreq_target() past
cpufreq_freq_transition_begin() which calls wait_event():
BUG: sleeping function called from invalid context at drivers/cpufreq/cpufreq.c:370
in_atomic(): 1, irqs_disabled(): 0, pid: 2636, name: modprobe
Preemption disabled at:[<ffffffffa04d74d7>] pcc_cpufreq_target+0x27/0x200 [pcc_cpufreq]
[ 51.025044]
CPU: 57 PID: 2636 Comm: modprobe Tainted: G E 3.17.0-default #7
Hardware name: Hewlett-Packard ProLiant DL980 G7, BIOS P66 07/07/2010
00000000ffffffff ffff88026c46b828 ffffffff81589dbd 0000000000000000
ffff880037978090 ffff88026c46b848 ffffffff8108e1df ffff880037978090
0000000000000000 ffff88026c46b878 ffffffff8108e298 ffff88026d73ec00
Call Trace:
[<ffffffff81589dbd>] dump_stack+0x4d/0x90
[<ffffffff8108e1df>] ___might_sleep+0x10f/0x180
[<ffffffff8108e298>] __might_sleep+0x48/0xd0
[<ffffffff8145b905>] cpufreq_freq_transition_begin+0x75/0x140 drivers/cpufreq/cpufreq.c:370 wait_event(policy->transition_wait, !policy->transition_ongoing);
[<ffffffff8108fc99>] ? preempt_count_add+0xb9/0xc0
[<ffffffffa04d7513>] pcc_cpufreq_target+0x63/0x200 [pcc_cpufreq] drivers/cpufreq/pcc-cpufreq.c:207 spin_lock(&pcc_lock);
[<ffffffff810e0d0f>] ? update_ts_time_stats+0x7f/0xb0
[<ffffffff8145be55>] __cpufreq_driver_target+0x85/0x170
[<ffffffff8145e4c8>] od_check_cpu+0xa8/0xb0
[<ffffffff8145ef10>] dbs_check_cpu+0x180/0x1d0
[<ffffffff8145f310>] cpufreq_governor_dbs+0x3b0/0x720
[<ffffffff8145ebe3>] od_cpufreq_governor_dbs+0x33/0xe0
[<ffffffff814593d9>] __cpufreq_governor+0xa9/0x210
[<ffffffff81459fb2>] cpufreq_set_policy+0x1e2/0x2e0
[<ffffffff8145a6cc>] cpufreq_init_policy+0x8c/0x110
[<ffffffff8145c9a0>] ? cpufreq_update_policy+0x1b0/0x1b0
[<ffffffff8108fb99>] ? preempt_count_sub+0xb9/0x100
[<ffffffff8145c6c6>] __cpufreq_add_dev+0x596/0x6b0
[<ffffffffa016c608>] ? pcc_cpufreq_probe+0x4b4/0x4b4 [pcc_cpufreq]
[<ffffffff8145c7ee>] cpufreq_add_dev+0xe/0x10
[<ffffffff81408e81>] subsys_interface_register+0xc1/0xf0
[<ffffffff8108fb99>] ? preempt_count_sub+0xb9/0x100
[<ffffffff8145b3d7>] cpufreq_register_driver+0x117/0x2a0
[<ffffffffa016c65d>] pcc_cpufreq_init+0x55/0x9f8 [pcc_cpufreq]
[<ffffffffa016c608>] ? pcc_cpufreq_probe+0x4b4/0x4b4 [pcc_cpufreq]
[<ffffffff81000298>] do_one_initcall+0xc8/0x1f0
[<ffffffff811a731d>] ? __vunmap+0x9d/0x100
[<ffffffff810eb9a0>] do_init_module+0x30/0x1b0
[<ffffffff810edfa6>] load_module+0x686/0x710
[<ffffffff810ebb20>] ? do_init_module+0x1b0/0x1b0
[<ffffffff810ee1db>] SyS_init_module+0x9b/0xc0
[<ffffffff8158f7a9>] system_call_fastpath+0x16/0x1b
Fixes: 8fec051eea73 (cpufreq: Convert existing drivers to use cpufreq_freq_transition_{begin|end})
Reported-and-tested-by: Mike Galbraith <umgwanakikbuti@gmail.com>
Cc: 3.15+ <stable@vger.kernel.org> # 3.15+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The reset_resume call is needed, otherwise it will break resume
on some conditions, depending on the usb ehci/xhci controller.
This reverts commit b89193e0b06f44f48e3bf897a5b5cb4a7aff3359.
Reported-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Pull slave-dmaengine fixes from Vinod Koul:
"Two small fixes for omap dmaengine driver which fixes cyclic suspend
and resume"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: omap-dma: Restore the CLINK_CTRL in resume path
dmaengine: omap-dma: Add memory barrier to dma_resume path
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Here's our last set of fixes for 3.17. Most of these are for TI
platforms, fixing some noisy Kconfig issues, runtime clock and power
issues on several platforms and NAND timings on DRA7.
There are also a couple of bug fixes for i.MX, one for QCOM and a
small fix to avoid section mismatch noise on PXA.
Diffstat looks large, partially due to some tables being updated and
thus touching many lines. The qcom gsbi change also restructures
clock management a bit and thus touches a bunch of lines.
All in all, a bit more changes than we'd like at this point, but
nothing stands out as risky either so it seems like the right thing to
send it up now instead of holding it to the merge window"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
drivers/soc: qcom: do not disable the iface clock in probe
ARM: imx: fix .is_enabled() of shared gate clock
ARM: OMAP3: Fix I/O chain clock line assertion timed out error
ARM: keystone: dts: fix bindings for pcie and usb clock nodes
bus: omap_l3_noc: Fix connID for OMAP4
ARM: DT: imx53: fix lvds channel 1 port
ARM: dts: cm-t54: fix serial console power supply.
ARM: dts: dra7-evm: Fix NAND GPMC timings
ARM: pxa: fix section mismatch warning for pxa_timer_nodt_init
ARM: OMAP: Fix Kconfig warning for omap1
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"This has:
- EFI revert to fix a boot regression
- early_ioremap() fix for boot failure
- KASLR fix for possible boot failures
- EFI fix for corrupted string printing
- remove a misleading EFI bootup 'failed!' error message
Unfortunately it's all rather close to the merge window"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/efi: Truncate 64-bit values when calling 32-bit OutputString()
x86/efi: Delete misleading efi_printk() error message
Revert "efi/x86: efistub: Move shared dependencies to <asm/efi.h>"
x86/kaslr: Avoid the setup_data area when picking location
x86 early_ioremap: Increase FIX_BTMAPS_SLOTS to 8
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When the HCA is configured in SRIOV IB mode (that is, at least one of
the ports is IB) and the probe_vf module param isn't specified,
mlx4_init_one() failed because of the following condition:
if (ib_ports && (num_vfs_argc > 1 || probe_vfs_argc > 1)) {
.....
}
The root cause for that is a mistake in the initialization of num_vfs_argc
and probe_vfs_argc. When num_vfs / probe_vf aren't given, their argument
count counterpart should be 0, fix that.
Fixes: dd41cc3bb90e ('net/mlx4: Adapt num_vfs/probed_vf params for single port VF')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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netif_carrier_off would be called when autoresuming, even though
the cable is plugged. This causes some applications do relative
actions when detecting the carrier off. Keep the status of the
carrier, and let it be modified when the linking change occurs.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 8ef29f8aae524bd51298fb10ac6a5ce6c4c5a3d8.
The driver core already calls pinctrl_get() and claims the default
state. There is no need to replicate this in the driver.
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In macvtap device delete and open calls can race and
this causes a list curruption of the vlan queue_list.
The race intself is triggered by the idr accessors
that located the vlan device. The device is stored
into and removed from the idr under both an rtnl and
a mutex. However, when attempting to locate the device
in idr, only a mutex is taken. As a result, once cpu
perfoming a delete may take an rtnl and wait for the mutex,
while another cput doing an open() will take the idr
mutex first to fetch the device pointer and later take
an rtnl to add a queue for the device which may have
just gotten deleted.
With this patch, we now hold the rtnl for the duration
of the macvtap_open() call thus making sure that
open will not race with delete.
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Jason Wang <jasowang@redhat.com>
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o When TX queues are not allocated, driver does not fill TX queues stats in the buffer.
However, it is also not advancing data pointer by TX queue stats length, which would
misplace all successive stats data in the buffer and will result in mismatch between
stats strings and it's values.
o Fix this by advancing data pointer by TX queue stats length when
queues are not allocated.
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o TX queues stats must be read when queues are allocated regardless
of interface is up or not.
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Driver is doing memset with zero for total number of stats bytes when
it has already filled some data in the stats buffer, which can overwrite
memory area beyond the length of stats buffer.
o Fix this by initializing stats buffer with zero before filling any data in it.
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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the API.
In qlcnic_83xx_setup_idc_parameters() routine use qlcnic_83xx_flash_read32() API
which takes flash lock internally instead of the lockless version
qlcnic_83xx_lockless_flash_read32().
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fix from Dmitry Torokhov:
"A small fixup to i8042 adding Asus X450LCP to the nomux list"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - fix Asus X450LCP touchpad detection
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Merge fixes from Andrew Morton:
"9 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: softdirty: keep bit when zapping file pte
fs/cachefiles: add missing \n to kerror conversions
genalloc: fix device node resource counter
drivers/rtc/rtc-efi.c: add missing module alias
mm, slab: initialize object alignment on cache creation
mm: softdirty: addresses before VMAs in PTE holes aren't softdirty
ocfs2/dlm: do not get resource spinlock if lockres is new
nilfs2: fix data loss with mmap()
ocfs2: free vol_label in ocfs2_delete_osb()
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Without proper alias kernel module is not loaded for rtc-efi driver.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: dann frazier <dannf@dannf.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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 ACPI and power management fixes from Rafael Wysocki:
"These are regression fixes (ACPI hotplug, cpufreq, hibernation, ACPI
LPSS driver), fixes for stuff that never worked correctly (ACPI GPIO
support in some cases and a wrong sign of an error code in the ACPI
core in one place), and one blacklist item for ACPI backlight
handling.
Specifics:
- Revert of a recent hibernation core commit that introduced a NULL
pointer dereference during resume for at least one user (Rafael J
Wysocki).
- Fix for the ACPI LPSS (Low-Power Subsystem) driver to disable
asynchronous PM callback execution for LPSS devices during system
suspend/resume (introduced in 3.16) which turns out to break
ordering expectations on some systems. From Fu Zhonghui.
- cpufreq core fix related to the handling of sysfs nodes during
system suspend/resume that has been broken for intel_pstate since
3.15 from Lan Tianyu.
- Restore the generation of "online" uevents for ACPI container
devices that was removed in 3.14, but some user space utilities
turn out to need them (Rafael J Wysocki).
- The cpufreq core fails to release a lock in an error code path
after changes made in 3.14. Fix from Prarit Bhargava.
- ACPICA and ACPI/GPIO fixes to make the handling of ACPI GPIO
operation regions (which means AML using GPIOs) work correctly in
all cases from Bob Moore and Srinivas Pandruvada.
- Fix for a wrong sign of the ACPI core's create_modalias() return
value in case of an error from Mika Westerberg.
- ACPI backlight blacklist entry for ThinkPad X201s from Aaron Lu"
* tag 'pm+acpi-3.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "PM / Hibernate: Iterate over set bits instead of PFNs in swsusp_free()"
gpio / ACPI: Use pin index and bit length
ACPICA: Update to GPIO region handler interface.
ACPI / platform / LPSS: disable async suspend/resume of LPSS devices
cpufreq: release policy->rwsem on error
cpufreq: fix cpufreq suspend/resume for intel_pstate
ACPI / scan: Correct error return value of create_modalias()
ACPI / video: disable native backlight for ThinkPad X201s
ACPI / hotplug: Generate online uevents for ACPI containers
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