This driver is based on the thermal management framework in thermal_sys.c. A
thermal zone device is created with the trip points to which cooling devices
can be bound, the current cooling device is cpufreq, e.g. CPU frequency is
clipped down to cool the CPU, and other cooling devices can be added and bound
to the trip points dynamically. The platform specific PRCMU interrupts are
used to active thermal update when trip points are reached.
Signed-off-by: hongbo.zhang <hongbo.zhang@linaro.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Francesco Lavra <francescolavra.fl@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Silences the following sparse warning:
drivers/thermal/cpu_cooling.c:67:31: warning:
symbol 'notify_device' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Problem of using this list is that the cpufreq_get_max_state callback will be
called when register cooling device by thermal_cooling_device_register, but
this list isn't ready at this moment. What's more, there is no need to maintain
such a list, we can get cpufreq_cooling_device instance by the private
thermal_cooling_device.devdata.
Signed-off-by: hongbo.zhang <hongbo.zhang@linaro.com>
Reviewed-by: Francesco Lavra <francescolavra.fl@gmail.com>
Reviewed-by: Amit Daniel Kachhap <amit.kachhap@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
In the while loop for counting cpu frequencies, if table[i].frequency equals
CPUFREQ_ENTRY_INVALID, index i won't be increased, so this leads to an endless
loop, what's more the index i cannot be referred as cpu frequencies number if
there is CPUFREQ_ENTRY_INVALID case.
Signed-off-by: hongbo.zhang <hongbo.zhang@linaro.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Amit Daniel Kachhap <amit.kachhap@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
The curly bracket should be aligned with corresponding if else statements.
Signed-off-by: hongbo.zhang <hongbo.zhang@linaro.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
devm_kfree and devm_iounmap should not have to be explicitly used
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Fixes the following sparse warnings:
drivers/thermal/user_space.c:38:5: warning:
symbol 'notify_user_space' was not declared. Should it be static?
drivers/thermal/user_space.c:46:25: warning:
symbol 'thermal_gov_user_space' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Fixes the following sparse warnings:
drivers/thermal/fair_share.c:80:5: warning:
symbol 'fair_share_throttle' was not declared. Should it be static?
drivers/thermal/fair_share.c:111:25: warning:
symbol 'thermal_gov_fair_share' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Fixes the following sparse warnings:
drivers/thermal/step_wise.c:153:5: warning:
symbol 'step_wise_throttle' was not declared. Should it be static?
drivers/thermal/step_wise.c:172:25: warning:
symbol 'thermal_gov_step_wise' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch fixes the following mutex and NULL pointer
problems in thermal_sys.c:
* mutex_unlock fix in update_temperature function
* mutex_unlock fix in bind_cdev function
* Correct early return to continue in bind_cdev function
* NULL check fix in bind_cdev function
* NULL check fix in bind_tz function
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Reported-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch provides option to choose the default thermal
governor. If no option is provided, the step_wise
governor is selected by default.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds documentation for thermal_bind_params
and thermal_zone_params structures. Also, adds details
on EXPORT_SYMBOL APIs.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds a notification API which the sensor drivers'
can use to notify the framework. The framework then takes
care of the throttling according to the configured policy.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch removes the throttling logic out of
thermal_sys.c; also refactors the code into smaller
functions so that are easy to read/maintain.
* Seperates the handling of critical and non-critical trips
* Re-arranges the set_polling and device_check methods, so
that all related functions are arranged in one place.
* Removes the 'do_update' and 'trip_update' method, as part
of moving the throttling logic out of thermal_sys.c
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch registers a governor which will let the
user land manage the platform thermals. Whenever a
trip happens, this governor just notifies the user
space using kobj_uevent().
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds a simple step_wise governor to the
generic thermal layer. This algorithm throttles the
cooling devices in a linear fashion. If the 'trend'
is heating, it throttles by one step. And if the
thermal trend is cooling it de-throttles by one step.
This actually moves the throttling logic from thermal_sys.c
and puts inside step_wise.c, without any change.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch introduces a simple 'weight' based
governor named fair_share governor. Whenever the
thermal framework gets notified of the trip point
violation, this governor (if configured), throttles
the cooling devices associated with a thermal zone.
This mapping between a thermal zone and a cooling device
and the effectiveness of cooling are provided in the
platform layer.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch makes the thermal_cdev_update function as a
global one, so that other files can use it. This function
serves as a single arbitrator to set the state of a cooling
device.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch updates the binding logic in thermal_sys.c
It uses the platform layer data to bind a thermal zone
to a cdev for a particular trip point.
* If we do not have platform data and do not have
.bind defined, do not bind.
* If we do not have platform data but .bind is
defined, then use tz->ops->bind.
* If we have platform data, use it to create binding.
The same logic sequence is followed for unbind also.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds a policy sysfs attribute to a thermal zone.
This attribute denotes the throttling governor used for the
zone. This is a RW attribute.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch creates a structure to hold platform
thermal governor information, and provides APIs
for individual thermal governors to register/unregister
with the Thermal framework.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds the thermal zone parameter as an argument to
the tzd_register() function call; and updates other drivers
using this function.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds platform level information to thermal.h
by introducing two structures to hold:
* bind parameters for a thermal zone,
* zone level platform parameters
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds the following API's to thermal_sys.c, that
can be used by other Thermal drivers.
* get_tz_trend: obtain the trend of the given thermal zone
* get_thermal_instance: obtain the instance corresponding
to the given tz, cdev and the trip point.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch creates a thermal_core.h file which can contain
all defines used by the core thermal framework files. For
now, move the thermal_instance structure to thermal_core.h
This structure is used by files under drivers/thermal/.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch rearranges the code in thermal.h file,
in the following order, so that it is easy to
read/maintain.
1. All #defines
2. All enums
3. All fops structures
4. All device structures
5. All function declarations
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
- Fix a bunch of deadlock situations:
* State recovery can deadlock if we fail to release sequence ids before
scheduling the recovery thread.
* Calling deactivate_super() from an RPC workqueue thread can deadlock
because of the call to rpc_shutdown_client.
- Display the device name correctly in /proc/*/mounts
- Fix a number of incorrect error return values:
* When NFSv3 mounts fail due to a timeout.
* On NFSv4.1 backchannel setup failure
* On NFSv4 open access checks
- pnfs_find_alloc_layout() must check the layout pointer for NULL
- Fix a regression in the legacy DNS resolved
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Merge tag 'nfs-for-3.7-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
- Fix a bunch of deadlock situations:
* State recovery can deadlock if we fail to release sequence ids
before scheduling the recovery thread.
* Calling deactivate_super() from an RPC workqueue thread can
deadlock because of the call to rpc_shutdown_client.
- Display the device name correctly in /proc/*/mounts
- Fix a number of incorrect error return values:
* When NFSv3 mounts fail due to a timeout.
* On NFSv4.1 backchannel setup failure
* On NFSv4 open access checks
- pnfs_find_alloc_layout() must check the layout pointer for NULL
- Fix a regression in the legacy DNS resolved
* tag 'nfs-for-3.7-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS4: nfs4_opendata_access should return errno
NFSv4: Initialise the NFSv4.1 slot table highest_used_slotid correctly
SUNRPC: return proper errno from backchannel_rqst
NFS: add nfs_sb_deactive_async to avoid deadlock
nfs: Show original device name verbatim in /proc/*/mount{s,info}
nfsv3: Make v3 mounts fail with ETIMEDOUTs instead EIO on mountd timeouts
nfs: Check whether a layout pointer is NULL before free it
NFS: fix bug in legacy DNS resolver.
NFSv4: nfs4_locku_done must release the sequence id
NFSv4.1: We must release the sequence id when we fail to get a session slot
NFS: Wait for session recovery to finish before returning
Pull thermal management & ACPI update from Zhang Rui,
Ho humm. Normally these things go through Len. But it's just three
small fixes, I guess I can pull directly too.
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
exynos4_tmu_driver_ids should be exynos_tmu_driver_ids.
ACPI video: Ignore errors after _DOD evaluation.
thermal: solve compilation errors in rcar_thermal
Pull i2c embedded fixes from Wolfram Sang:
"Two patches are usual stuff.
The bigger patch is needed to correct a wrong decision made in this
merge window. We hoped to get the PIOQUEUE mode in the mxs driver
working with DMA, but it turned out to be too broken (leading to data
loss), so we now think it is best to remove it entirely and work only
with DMA now. The patch should be in 3.7. IMO, so users never get
the chance to use both modes in parallel."
* 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux:
i2c: tegra: set irq name as device name
i2c-nomadik: Fixup clock handling
i2c: mxs: remove broken PIOQUEUE support
Pull drm fixes from Dave Airlie:
"Scattered selection of fixes:
- radeon: load detect fixes from SuSE/AMD
- intel: misc i830, sdvo regression, vesafb kickoff ums fix
- exynos: maintainers entry update + fixes
- udl: fix stride scanout issue
it's slightly bigger than I'd probably like, but nothing looked
dangerous enough to hold off on."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/udl: fix stride issues scanning out stride != width*bpp
drm/radeon: add load detection support for ext DAC on R200 (v2)
DRM/radeon: For single CRTC GPUs move handling of CRTC_CRT_ON to crtc_dpms().
DRM/Radeon: Fix TV DAC Load Detection for single CRTC chips.
DRM/Radeon: Clean up code in TV DAC load detection.
drm/radeon: fix ATPX function documentation
drivers/gpu/drm/radeon/evergreen_cs.c: Remove unnecessary semicolon
DRM/Radeon: On DVI-I use Load Detection when EDID is bogus.
DRM/Radeon: Fix primary DAC Load Detection for RV100 chips.
DRM/Radeon: Fix Load Detection on legacy primary DAC.
drm: exynos: removed warning due to missing typecast for mixer driver data
drm/exynos: add support for ARCH_MULTIPLATFORM
MAINTAINERS: Add git repository for Exynos DRM
drm/exynos: fix display on issue
drm/i915: Only kick out vesafb if we takeover the fbcon with KMS
drm/i915: be less verbose about inability to provide vendor backlight
drm/i915: clear the entire sdvo infoframe buffer
drm/i915: VGA needs to be on pipe A on i830M
drm/i915: fix overlay on i830M
Pull networking fixes from David Miller:
"First post-Sandy pull request"
1) Fix antenna gain handling and initialization of chan->max_reg_power
in wireless, from Felix Fietkau.
2) Fix nexthop handling in H.232 conntrack helper, from Julian
Anastasov.
3) Only process 80211 mesh config header in certain kinds of frames,
from Javier Cardona.
4) 80211 management frame header length needs to be validated, from
Johannes Berg.
5) Don't access free'd SKBs in ath9k driver, from Felix Fietkay.
6) Test for permanent state correctly in VXLAN driver, from Stephen
Hemminger.
7) BNX2X bug fixes from Yaniv Rosner and Dmitry Kravkov.
8) Fix off by one errors in bonding, from Nikolay ALeksandrov.
9) Fix divide by zero in TCP-Illinois congestion control. From Jesper
Dangaard Brouer.
10) TCP metrics code says "Yo dawg, I heard you like sizeof, so I did a
sizeof of a sizeof, so you can size your size" Fix from Julian
Anastasov.
11) Several drivers do mdiobus_free without first doing an
mdiobus_unregister leading to stray pointer references. Fix from
Peter Senna Tschudin.
12) Fix OOPS in l2tp_eth_create() error path, it's another danling
pointer kinda situation. Fix from Tom Parkin.
13) Hardware driven by the vmxnet driver can't handle larger than 16K
fragments, so split them up when necessary. From Eric Dumazet.
14) Handle zero length data length in tcp_send_rcvq() properly. Fix
from Pavel Emelyanov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits)
tcp-repair: Handle zero-length data put in rcv queue
vmxnet3: must split too big fragments
l2tp: fix oops in l2tp_eth_create() error path
cxgb4: Fix unable to get UP event from the LLD
drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free
drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
bnx2x: fix HW initialization using fw 7.8.x
tcp: Fix double sizeof in new tcp_metrics code
net: fix divide by zero in tcp algorithm illinois
net: sctp: Fix typo in net/sctp
bonding: fix second off-by-one error
bonding: fix off-by-one error
bnx2x: Disable FCoE for 57840 since not yet supported by FW
bnx2x: Fix no link on 577xx 10G-baseT
bnx2x: Fix unrecognized SFP+ module after driver is loaded
bnx2x: Fix potential incorrect link speed provision
bnx2x: Restore global registers back to default.
bnx2x: Fix link down in 57712 following LFA
bnx2x: Fix 57810 1G-KR link against certain switches.
ixgbe: PTP get_ts_info missing software support
...
When sending data into a tcp socket in repair state we should check
for the amount of data being 0 explicitly. Otherwise we'll have an skb
with seq == end_seq in rcv queue, but tcp doesn't expect this to happen
(in particular a warn_on in tcp_recvmsg shoots).
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Reported-by: Giorgos Mavrikas <gmavrikas@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
vmxnet3 has a 16Kbytes limit per tx descriptor, that happened to work
as long as we provided PAGE_SIZE fragments.
Our stack can now build larger fragments, so we need to split them to
the 16kbytes boundary.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: jongman heo <jongman.heo@samsung.com>
Tested-by: jongman heo <jongman.heo@samsung.com>
Cc: Shreyas Bhatewara <sbhatewara@vmware.com>
Reviewed-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating an L2TPv3 Ethernet session, if register_netdev() should fail for
any reason (for example, automatic naming for "l2tpeth%d" interfaces hits the
32k-interface limit), the netdev is freed in the error path. However, the
l2tp_eth_sess structure's dev pointer is left uncleared, and this results in
l2tp_eth_delete() then attempting to unregister the same netdev later in the
session teardown. This results in an oops.
To avoid this, clear the session dev pointer in the error path.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are systems where video module known to work fine regardless
of broken _DOD and ignoring returned value here doesn't cause
any issues later. This should fix brightness controls on some laptops.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=47861
Signed-off-by: Igor Murzov <e-mail@date.by>
Reviewed-by: Sergey V <sftp.mtuci@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
following were the errors reported
drivers/thermal/rcar_thermal.c: In function ‘rcar_thermal_probe’:
drivers/thermal/rcar_thermal.c:214:10: warning: passing argument 3 of ‘thermal_zone_device_register’ makes integer from pointer without a cast [enabled by default]
include/linux/thermal.h:166:29: note: expected ‘int’ but argument is of type ‘struct rcar_thermal_priv *’
drivers/thermal/rcar_thermal.c:214:10: error: too few arguments to function ‘thermal_zone_device_register’
include/linux/thermal.h:166:29: note: declared here
make[1]: *** [drivers/thermal/rcar_thermal.o] Error 1
make: *** [drivers/thermal/rcar_thermal.o] Error 2
with gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
If T4 configuration file gets loaded from the /lib/firmware/cxgb4/ directory
then offload capabilities of the cards were getting disabled during
initialization. Hence ULDs do not get an UP event from the LLD.
Signed-off-by: Jay Hernandez <jay@chelsio.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Based on commit b27393aecf
Calling mdiobus_free without calling mdiobus_unregister causes
BUG_ON(). This patch fixes the issue.
The semantic patch that found this issue(http://coccinelle.lip6.fr/):
// <smpl>
@@
expression E;
@@
... when != mdiobus_unregister(E);
+ mdiobus_unregister(E);
mdiobus_free(E);
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Based on commit b27393aecf
Calling mdiobus_free without calling mdiobus_unregister causes
BUG_ON(). This patch fixes the issue.
The semantic patch that found this issue(http://coccinelle.lip6.fr/):
// <smpl>
@@
expression E;
@@
... when != mdiobus_unregister(E);
+ mdiobus_unregister(E);
mdiobus_free(E);
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Tested-by: Roland Stigge <stigge@antcom.de>
Tested-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since commit 96bed4b9 (use FW 7.8.2) BRB HW block needs to be
initialized using fw values for all devices.
Otherwise ETS on 57712/578xx will not work.
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>
Change the email address of the powernow-k8 maintainer.
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Merge tag 'pm-for-3.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management update from Rafael J. Wysocki:
"Change the email address of the powernow-k8 maintainer."
* tag 'pm-for-3.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq / powernow-k8: Change maintainer's email address
Return errno - not an NFS4ERR_. This worked because NFS4ERR_ACCESS == EACCES.
Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Pull more scsi target fixes from Nicholas Bellinger:
"This series is a second round of target fixes for v3.7-rc4 that have
come into target-devel over the last days, and are important enough to
be applied ASAP.
All are being CC'ed to stable. The most important two are:
- target: Re-add explict zeroing of INQUIRY bounce buffer memory to
fix a regression for handling zero-length payloads, a bug that went
during v3.7-rc1, and hit >= v3.6.3 stable. (nab + paolo)
- iscsi-target: Fix a long-standing missed R2T wakeup race in TX
thread processing when using a single queue slot. (Roland)
Thanks to Roland & PureStorage team for helping to track down this
long standing race with iscsi-target single queue slot operation.
Also, the tcm_fc(FCoE) regression bug that was observed recently with
-rc2 code has also been resolved with the cancel_delayed_work() return
bugfix (commit c0158ca64d: "workqueue: cancel_delayed_work() should
return %false if work item is idle") now in -rc3. Thanks again to Yi
Zou, MDR, Robert Love @ Intel for helping to track this down."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Fix incorrect usage of nested IRQ spinlocks in ABORT_TASK path
iscsi-target: Fix missed wakeup race in TX thread
target: Avoid integer overflow in se_dev_align_max_sectors()
target: Don't return success from module_init() if setup fails
target: Re-add explict zeroing of INQUIRY bounce buffer memory
