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There's no driver using this flag and consequently no userspace
application is actually looking at it. As it seems unlikely for
any driver to start using it, remove it and the (very little)
code that used it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In case of beacon_loss with IEEE80211_HW_CONNECTION_MONITOR
device, mac80211 probes the ap (and disconnects on timeout)
but ignores the ack.
If we already got an ack, there's no reason to continue
disconnecting. this can help devices that supports
IEEE80211_HW_CONNECTION_MONITOR only partially (e.g. take
care of keep alives, but does not probe the ap.
In case the device wants to disconnect without probing,
it can just call ieee80211_connection_loss.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This capabilities weren't propagated to the radiotap header.
We don't set here the VHT_KNOWN / MCS_HAVE flag because not
all the low level drivers will know how to properly flag
the frames, hence the low level driver will be in charge
of setting IEEE80211_RADIOTAP_MCS_HAVE_FEC,
IEEE80211_RADIOTAP_MCS_HAVE_STBC and / or
IEEE80211_RADIOTAP_VHT_KNOWN_STBC according to its
capabilities.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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ieee80211_rx_status.flags is full. Define a new vht_flag
variable to be able to set more VHT related flags and make
room in flags.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Acked-by: Kalle Valo <kvalo@qca.qualcomm.com> [ath10k]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The purpose of this housekeeping is to make some room for
VHT flags. The radiotap vendor fields weren't in use.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The element ID list is currently almost sorted by amendment
or similar topic, but the order is difficult to maintain and
not very transparent. Sort the list by ID instead, and add
a lot of missing IDs.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In case we will get regulatory request with rule
where max_bandwidth_khz is set to 0 handle this
case as a special one.
If max_bandwidth_khz == 0 we should calculate maximum
available bandwidth base on all frequency contiguous rules.
In case we need auto calculation we just have to set:
country PL: DFS-ETSI
(2402 - 2482 @ 40), (N/A, 20)
(5170 - 5250 @ AUTO), (N/A, 20)
(5250 - 5330 @ AUTO), (N/A, 20), DFS
(5490 - 5710 @ 80), (N/A, 27), DFS
This mean we will calculate maximum bw for rules where
AUTO (N/A) were set, 160MHz (5330 - 5170) in example above.
So we will get:
(5170 - 5250 @ 160), (N/A, 20)
(5250 - 5330 @ 160), (N/A, 20), DFS
In other case:
country FR: DFS-ETSI
(2402 - 2482 @ 40), (N/A, 20)
(5170 - 5250 @ AUTO), (N/A, 20)
(5250 - 5330 @ 80), (N/A, 20), DFS
(5490 - 5710 @ 80), (N/A, 27), DFS
We will get 80MHz (5250 - 5170):
(5170 - 5250 @ 80), (N/A, 20)
(5250 - 5330 @ 80), (N/A, 20), DFS
Base on this calculations we will set correct channel
bandwidth flags (eg. IEEE80211_CHAN_NO_80MHZ).
We don't need any changes in CRDA or internal regulatory.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
[extend nl80211 description a bit, fix typo]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It was possible to break interface combinations in
the following way:
combo 1: iftype = AP, num_ifaces = 2, num_chans = 2,
combo 2: iftype = AP, num_ifaces = 1, num_chans = 1, radar = HT20
With the above interface combinations it was
possible to:
step 1. start AP on DFS channel by matching combo 2
step 2. start AP on non-DFS channel by matching combo 1
This was possible beacuse (step 2) did not consider
if other interfaces require radar detection.
The patch changes how cfg80211 tracks channels -
instead of channel itself now a complete chandef
is stored.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When receiving an IBSS_JOINED event select the BSS object
based on the {bssid, channel} couple rather than the bssid
only.
With the current approach if another cell having the same
BSSID (but using a different channel) exists then cfg80211
picks up the wrong BSS object.
The result is a mismatching channel configuration between
cfg80211 and the driver, that can lead to any sort of
problem.
The issue can be triggered by having an IBSS sitting on
given channel and then asking the driver to create a new
cell using the same BSSID but with a different frequency.
By passing the channel to cfg80211_get_bss() we can solve
this ambiguity and retrieve/create the correct BSS object.
All the users of cfg80211_ibss_joined() have been changed
accordingly.
Moreover WARN when cfg80211_ibss_joined() gets a NULL
channel as argument and remove a bogus call of the same
function in ath6kl (it does not make sense to call
cfg80211_ibss_joined() with a zero BSSID on ibss-leave).
Cc: Kalle Valo <kvalo@qca.qualcomm.com>
Cc: Arend van Spriel <arend@broadcom.com>
Cc: Bing Zhao <bzhao@marvell.com>
Cc: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Cc: libertas-dev@lists.infradead.org
Acked-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
[minor code cleanup in ath6kl]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Action, disassoc and deauth frames are bufferable, and as such don't
have the PM bit in the frame control field reserved which means we
need to react to the bit when receiving in such a frame.
Fix this by introducing a new helper ieee80211_is_bufferable_mmpdu()
and using it for the RX path that currently ignores the PM bit in
any non-data frames for doze->wake transitions, but listens to it in
all frames for wake->doze transitions, both of which are wrong.
Also use the new helper in the TX path to clean up the code.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The scheduled scan matchsets were intended to be a list of filters,
with the found BSS having to pass at least one of them to be passed
to the host. When the RSSI attribute was added, however, this was
broken and currently wpa_supplicant adds that attribute in its own
matchset; however, it doesn't intend that to mean that anything
that passes the RSSI filter should be passed to the host, instead
it wants it to mean that everything needs to also have higher RSSI.
This is semantically problematic because we have a list of filters
like [ SSID1, SSID2, SSID3, RSSI ] with no real indication which
one should be OR'ed and which one AND'ed.
To fix this, move the RSSI filter attribute into each matchset. As
we need to stay backward compatible, treat a matchset with only the
RSSI attribute as a "default RSSI filter" for all other matchsets,
but only if there are other matchsets (an RSSI-only matchset by
itself is still desirable.)
To make driver implementation easier, keep a global min_rssi_thold
for the entire request as well. The only affected driver is ath6kl.
I found this when I looked into the code after Raja Mani submitted
a patch fixing the n_match_sets calculation to disregard the RSSI,
but that patch didn't address the semantic issue.
Reported-by: Raja Mani <rmani@qti.qualcomm.com>
Acked-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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A few places weren't checking that the frame passed to the
function actually has enough data even though the function
clearly documents it must have a payload byte. Make this
safer by changing the function to take an skb and checking
the length inside. The old version is preserved for now as
the rtl* drivers use it and don't have a correct skb.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's not a single rate control algorithm actually in
a separate module where the module refcount would be
required. Similarly, there's no specific rate control
module.
Therefore, all the module handling code in rate control
is really just dead code, so remove it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Change the code to allow making all the rate control ops
const, nothing ever needs to change them. Also change all
drivers to make use of this and mark the ops const.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Allow to force SGI, LGI.
Mainly for test purpose.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This required liberally sprinkling 'const' over brcmfmac
and mwifiex but seems like a useful thing to do since the
pointer can't really be written.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Addition of the frequency hints showed up couple of places in cfg80211
where pointers could be marked const and a shared function could be used
to fetch a valid channel.
Signed-off-by: Jouni Malinen <j@w1.fi>
[fix mwifiex]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This allows drivers to advertise the maximum number of associated
stations they support in AP mode (including P2P GO). User space
applications can use this for cleaner way of handling the limit (e.g.,
hostapd rejecting IEEE 802.11 authentication without manual
configuration of the limit) or to figure out what type of use cases can
be executed with multiple devices before trying and failing.
Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This clarifies the expected driver behavior on the older
NL80211_ATTR_MAC and NL80211_ATTR_WIPHY_FREQ attributes and adds a new
set of similar attributes with _HINT postfix to enable use of a
recommendation of the initial BSS to choose. This can be helpful for
some drivers that can avoid an additional full scan on connection
request if the information is provided to them (user space tools like
wpa_supplicant already has that information available based on earlier
scans).
In addition, this can be used to get more expected behavior for cases
where a specific BSS should be picked first based on operations like
Interworking network selection or WPS. These cases were already easily
addressed with drivers that leave BSS selection to user space, but there
was no convenient way to do this with drivers that take care of BSS
selection internally without using the NL80211_ATTR_MAC which is not
really desired since it is needed for other purposes to force the
association to remain with the same BSS.
Signed-off-by: Jouni Malinen <j@w1.fi>
[add const, fix policy]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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A beacon should never have a Channel Switch Announcement information
element with a count of 0, because a count of 1 means switch just
before the next beacon. So, if a count of 0 was valid in a beacon, it
would have been transmitted in the next channel already, which is
useless. A CSA count equal to zero is only meaningful in action
frames or probe_responses.
Fix the ieee80211_csa_is_complete() and ieee80211_update_csa()
functions accordingly.
With a CSA count of 0, we won't transmit any CSA beacons, because the
switch will happen before the next TBTT. To avoid extra work and
potential confusion in the drivers, complete the CSA immediately,
instead of waiting for the driver to call ieee80211_csa_finish().
To keep things simpler, we also switch immediately when the CSA count
is 1, while in theory we should delay the switch until just before the
next TBTT.
Additionally, move the ieee80211_csa_finish() function to cfg.c,
where it makes more sense.
Tested-by: Simon Wunderlich <sw@simonwunderlich.de>
Acked-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"MMC highlights for 3.14:
Core:
- Avoid get_cd() on cards marked nonremovable
Drivers:
- arasan: New driver for controllers found in e.g. Xilinx Zynq SoC
- dwmmc: Support Hisilicon K3 SoC controllers
- esdhc-imx: Support for HS200 mode, DDR modes on MX6, runtime PM
- sdhci-pci: Support O2Micro/BayHubTech controllers used in laptops
like Lenovo ThinkPad W540, Dell Latitude E5440, Dell Latitude E6540
- tegra: Support Tegra124 SoCs"
* tag 'mmc-updates-for-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (55 commits)
mmc: sdhci-pci: Fix possibility of chip->fixes being null
mmc: sdhci-pci: Fix BYT sd card getting stuck in runtime suspend
mmc: sdhci: Allow for long command timeouts
mmc: sdio: add a quirk for broken SDIO_CCCR_INTx polling
mmc: sdhci: fix lockdep error in tuning routine
mmc: dw_mmc: k3: remove clk_table
mmc: dw_mmc: fix dw_mci_get_cd
mmc: dw_mmc: fix sparse non static symbol warning
mmc: sdhci-esdhc-imx: fix warning during module remove function
mmc: sdhci-esdhc-imx: fix access hardirq-unsafe lock in atomic context
mmc: core: sd: implement proper support for sd3.0 au sizes
mmc: atmel-mci: add vmmc-supply support
mmc: sdhci-pci: add broken HS200 quirk for Intel Merrifield
mmc: sdhci: add quirk for broken HS200 support
mmc: arasan: Add driver for Arasan SDHCI
mmc: dw_mmc: add dw_mmc-k3 for k3 platform
mmc: dw_mmc: use slot-gpio to handle cd pin
mmc: sdhci-pci: add support of O2Micro/BayHubTech SD hosts
mmc: sdhci-pci: break out definitions to header file
mmc: tmio: fixup compile error
...
Conflicts:
MAINTAINERS
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A respun version of the merges for the pull request previously sent
with a few additional fixes. The last two merges were fixed up by
hand since the branches have moved on and currently have the prior
merge in them.
Quite a busy release for the SPI subsystem, mostly in cleanups big and
small scattered through the stack rather than anything else:
- New driver for the Broadcom BC63xx HSSPI controller
- Fix duplicate device registration for ACPI
- Conversion of s3c64xx to DMAEngine (this pulls in platform and DMA
changes upon which the transiton depends)
- Some small optimisations to reduce the amount of time we hold locks
in the datapath, eliminate some redundant checks and the size of a
spi_transfer
- Lots of fixes, cleanups and general enhancements to drivers,
especially the rspi and Atmel drivers"
* tag 'spi-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (112 commits)
spi: core: Fix transfer failure when master->transfer_one returns positive value
spi: Correct set_cs() documentation
spi: Clarify transfer_one() w.r.t. spi_finalize_current_transfer()
spi: Spelling s/finised/finished/
spi: sc18is602: Convert to use bits_per_word_mask
spi: Remove duplicate code to set default bits_per_word setting
spi/pxa2xx: fix compilation warning when !CONFIG_PM_SLEEP
spi: clps711x: Add MODULE_ALIAS to support module auto-loading
spi: rspi: Add missing clk_disable() calls in error and cleanup paths
spi: rspi: Spelling s/transmition/transmission/
spi: rspi: Add support for specifying CPHA/CPOL
spi/pxa2xx: initialize DMA channels to -1 to prevent inadvertent match
spi: rspi: Add more QSPI register documentation
spi: rspi: Add more RSPI register documentation
spi: rspi: Remove dependency on DMAE for SHMOBILE
spi/s3c64xx: Correct indentation
spi: sh: Use spi_sh_clear_bit() instead of open-coded
spi: bitbang: Grammar s/make to make/to make/
spi: sh-hspi: Spelling s/recive/receive/
spi: core: Improve tx/rx_nbits check comments
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A respin of the merges in the previous pull request with one extra
fix.
A quiet release for the regulator API, quite a large number of small
improvements all over but other than the addition of new drivers for
the AS3722 and MAX14577 there is nothing of substantial non-local
impact"
* tag 'regulator-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (47 commits)
regulator: pfuze100-regulator: Improve dev_info() message
regulator: pfuze100-regulator: Fix some checkpatch complaints
regulator: twl: Fix checkpatch issue
regulator: core: Fix checkpatch issue
regulator: anatop-regulator: Remove unneeded memset()
regulator: s5m8767: Update LDO index in s5m8767-regulator.txt
regulator: as3722: set enable time for SD0/1/6
regulator: as3722: detect SD0 low-voltage mode
regulator: tps62360: Fix up a pointer-integer size mismatch warning
regulator: anatop-regulator: Remove unneeded kstrdup()
regulator: act8865: Fix build error when !OF
regulator: act8865: register all regulators regardless of how many are used
regulator: wm831x-dcdc: Remove unneeded 'err' label
regulator: anatop-regulator: Add MODULE_ALIAS()
regulator: act8865: fix incorrect devm_kzalloc for act8865
regulator: act8865: Remove set_suspend_[en|dis]able implementation
regulator: act8865: Remove unneeded regulator_unregister() calls
regulator: s2mps11: Clean up redundant code
regulator: tps65910: Simplify setting enable_mask for regulators
regulator: act8865: add device tree binding doc
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Nothing terribly exciting with regmap this release, mainly a few small
extensions to allow more devices to be supported:
- Allow the bulk I/O APIs to be used with no-bus regmaps
- Support interrupt controllers with zero ack base
- Warning and spelling fixes"
* tag 'regmap-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: fix a couple of typos
regmap: Allow regmap_bulk_write() to work for "no-bus" regmaps
regmap: Allow regmap_bulk_read() to work for "no-bus" regmaps
regmap: irq: Allow using zero value for ack_base
regmap: Fix 'ret' would return an uninitialized value
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Pull networking updates from David Miller:
1) BPF debugger and asm tool by Daniel Borkmann.
2) Speed up create/bind in AF_PACKET, also from Daniel Borkmann.
3) Correct reciprocal_divide and update users, from Hannes Frederic
Sowa and Daniel Borkmann.
4) Currently we only have a "set" operation for the hw timestamp socket
ioctl, add a "get" operation to match. From Ben Hutchings.
5) Add better trace events for debugging driver datapath problems, also
from Ben Hutchings.
6) Implement auto corking in TCP, from Eric Dumazet. Basically, if we
have a small send and a previous packet is already in the qdisc or
device queue, defer until TX completion or we get more data.
7) Allow userspace to manage ipv6 temporary addresses, from Jiri Pirko.
8) Add a qdisc bypass option for AF_PACKET sockets, from Daniel
Borkmann.
9) Share IP header compression code between Bluetooth and IEEE802154
layers, from Jukka Rissanen.
10) Fix ipv6 router reachability probing, from Jiri Benc.
11) Allow packets to be captured on macvtap devices, from Vlad Yasevich.
12) Support tunneling in GRO layer, from Jerry Chu.
13) Allow bonding to be configured fully using netlink, from Scott
Feldman.
14) Allow AF_PACKET users to obtain the VLAN TPID, just like they can
already get the TCI. From Atzm Watanabe.
15) New "Heavy Hitter" qdisc, from Terry Lam.
16) Significantly improve the IPSEC support in pktgen, from Fan Du.
17) Allow ipv4 tunnels to cache routes, just like sockets. From Tom
Herbert.
18) Add Proportional Integral Enhanced packet scheduler, from Vijay
Subramanian.
19) Allow openvswitch to mmap'd netlink, from Thomas Graf.
20) Key TCP metrics blobs also by source address, not just destination
address. From Christoph Paasch.
21) Support 10G in generic phylib. From Andy Fleming.
22) Try to short-circuit GRO flow compares using device provided RX
hash, if provided. From Tom Herbert.
The wireless and netfilter folks have been busy little bees too.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2064 commits)
net/cxgb4: Fix referencing freed adapter
ipv6: reallocate addrconf router for ipv6 address when lo device up
fib_frontend: fix possible NULL pointer dereference
rtnetlink: remove IFLA_BOND_SLAVE definition
rtnetlink: remove check for fill_slave_info in rtnl_have_link_slave_info
qlcnic: update version to 5.3.55
qlcnic: Enhance logic to calculate msix vectors.
qlcnic: Refactor interrupt coalescing code for all adapters.
qlcnic: Update poll controller code path
qlcnic: Interrupt code cleanup
qlcnic: Enhance Tx timeout debugging.
qlcnic: Use bool for rx_mac_learn.
bonding: fix u64 division
rtnetlink: add missing IFLA_BOND_AD_INFO_UNSPEC
sfc: Use the correct maximum TX DMA ring size for SFC9100
Add Shradha Shah as the sfc driver maintainer.
net/vxlan: Share RX skb de-marking and checksum checks with ovs
tulip: cleanup by using ARRAY_SIZE()
ip_tunnel: clear IPCB in ip_tunnel_xmit() in case dst_link_failure() is called
net/cxgb4: Don't retrieve stats during recovery
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"A couple of regression fixes mostly hitting virtualized setups, but
also some bare metal systems"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/x86/tsc: Initialize multiplier to 0
sched/clock: Fixup early initialization
sched/preempt/x86: Fix voluntary preempt for x86
Revert "sched: Fix sleep time double accounting in enqueue entity"
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull user namespaces work from Eric Biederman:
"The work to convert the kernel to use kuid_t and kgid_t has been
finished since 3.12 so it is time to remove the scaffolding that
allowed the work to progress incrementally.
The first patch on this branch just removes the scaffolding, ensuring
we will always get compile errors if people accidentally try the
userspace and the kernel uid and gid types. The second patch an
overlooked and unused chunk of mips code that that fails to build
after the first patch.
The code hasn't been in linux-next for long (as I was out of it and
could not sheppared the cold properly) but the patch has been around
for a long time just waiting for the day when I had finished the
uid/gid conversions. Putting the code in linux-next did find the
compile failure on mips so I took the time to get that fix reviewed
and included. Beyond that I am not too worried about errors because
all these two patches do is delete a modest amount of code"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
MIPS: VPE: Remove vpe_getuid and vpe_getgid
userns: userns: Remove UIDGID_STRICT_TYPE_CHECKS
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Pull Xtensa patches from Chris Zankel:
"The major changes are adding support for SMP for Xtensa, fixing and
cleaning up the ISS (simulator) network driver, and better support for
device trees"
* tag 'xtensa-next-20140123' of git://github.com/czankel/xtensa-linux: (40 commits)
xtensa: implement ndelay
xtensa: clean up udelay
xtensa: enable HAVE_PERF_EVENTS
xtensa: remap io area defined in device tree
xtensa: support default device tree buses
xtensa: initialize device tree clock sources
xtensa: xtfpga: fix definitions of platform devices
xtensa: standardize devicetree cpu compatible strings
xtensa: avoid duplicate of IO range definitions
xtensa: fix ATOMCTL register documentation
xtensa: Enable irqs after cpu is set online
xtensa: ISS: raise network polling rate to 10 times/sec
xtensa: remove unused XTENSA_ISS_NETWORK Kconfig parameter
xtensa: ISS: avoid simple_strtoul usage
xtensa: Switch to sched_clock_register()
xtensa: implement CPU hotplug
xtensa: add SMP support
xtensa: add MX irqchip
xtensa: clear timer IRQ unconditionally in its handler
xtensa: clean up do_interrupt/do_IRQ
...
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Pull vfio update from Alex Williamson:
- convert to misc driver to support module auto loading
- remove unnecessary and dangerous use of device_lock
* tag 'vfio-v3.14-rc1' of git://github.com/awilliam/linux-vfio:
vfio-pci: Don't use device_lock around AER interrupt setup
vfio: Convert control interface to misc driver
misc: Reserve minor for VFIO
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Pull md updates from Neil Brown:
"All bug fixes, two tagged for -stable"
* tag 'md/3.14' of git://neil.brown.name/md:
md/raid5: close recently introduced race in stripe_head management.
md/raid5: fix long-standing problem with bitmap handling on write failure.
md: check command validity early in md_ioctl().
md: ensure metadata is writen after raid level change.
md/raid10: avoid fullsync when not necessary.
md: allow a partially recovered device to be hot-added to an array.
md: Change handling of save_raid_disk and metadata update during recovery.
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband updates from Roland Dreier:
"Main batch of InfiniBand/RDMA changes for 3.14:
- Flow steering for InfiniBand UD traffic
- IP-based addressing for IBoE aka RoCE
- Pass SRP submaintainership from Dave to Bart
- SRP transport fixes from Bart
- Add the new Cisco usNIC low-level device driver
- Various other fixes"
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (75 commits)
IB/mlx5: Verify reserved fields are cleared
IB/mlx5: Remove old field for create mkey mailbox
IB/mlx5: Abort driver cleanup if teardown hca fails
IB/mlx5: Allow creation of QPs with zero-length work queues
mlx5_core: Fix PowerPC support
mlx5_core: Improve debugfs readability
IB/mlx5: Add support for resize CQ
IB/mlx5: Implement modify CQ
IB/mlx5: Make sure doorbell record is visible before doorbell
mlx5_core: Use mlx5 core style warning
IB/mlx5: Clear out struct before create QP command
mlx5_core: Fix out arg size in access_register command
RDMA/nes: Slight optimization of Ethernet address compare
IB/qib: Fix QP check when looping back to/from QP1
RDMA/cxgb4: Fix gcc warning on 32-bit arch
IB/usnic: Remove unused includes of <linux/version.h>
RDMA/amso1100: Add check if cache memory was allocated before freeing it
IPoIB: Report operstate consistently when brought up without a link
IB/core: Fix unused variable warning
RDMA/cma: Handle global/non-linklocal IPv6 addresses in cma_check_linklocal()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
"Just a swath of driver fixes and cleanups, no new drivers this time
(although ALPS now supports one of the newer protocols, more to come)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (57 commits)
Input: wacom - add support for DTU-1031
Input: wacom - fix wacom->shared guards for dual input devices
Input: edt_ft5x06 - use devm_* functions where appropriate
Input: hyperv-keyboard - pass through 0xE1 prefix
Input: logips2pp - fix spelling s/reciver/receiver/
Input: delete non-required instances of include <linux/init.h>
Input: twl4030-keypad - convert to using managed resources
Input: twl6040-vibra - remove unneeded check for CONFIG_OF
Input: twl4030-keypad - add device tree support
Input: twl6040-vibra - add missing of_node_put
Input: twl4030-vibra - add missing of_node_put
Input: i8042 - cleanup SERIO_I8042 dependencies
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on x86
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on unicore32
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on sparc
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO for SH_CAYMAN
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on powerpc
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on mips
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on IA64
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on ARM/Footbridge
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev changes from Tomi Valkeinen:
"This is a rather boring pull request. There is one new fb driver,
OpenCores VGA/LCD, but other than that it's just minor cleanups and
fixes"
* tag 'fbdev-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (51 commits)
i810: delete useless variable
video: add OpenCores VGA/LCD framebuffer driver
video/logo: Remove MIPS-specific include section
tgafb: potential NULL dereference in init
video: mmp: Using plain integer as NULL pointer
video: mmp: delete a stray mutex_unlock()
video: amba-clcd: Make CLCD driver available on more platforms
video: Replace local macro with PCI standard macro
fbmem: really support wildcard video=options for all fbdev drivers
video: vgacon: Don't build on arm64
video: mx3fb: Allow blocking during framebuffer allocation
fbcon: Fix memory leak in fbcon_exit().
fbcon: trivial optimization for fbcon_exit
video: pxa168fb: Cleanup pxa168fb.h file
video: pxa: Cleanup video-pxafb.h header
video: msm: Cleanup video-msm_fb.h header
video: ep93xx: Cleanup video-ep93xx.h header
video: mxsfb: fix broken videomode selection
video: mxsfb: convert pr_debug()/dev_dbg() to pr_err()/dev_err() for error messages
video: vmlfb: remove unnecessary pci_set_drvdata()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui:
"This time, the biggest change is the work of representing hardware
thermal properties in device tree infrastructure.
This work includes the introduction of a device tree bindings for
describing the hardware thermal behavior and limits, and also a parser
to read and interpret the data, and build thermal zones and thermal
binding parameters. It also contains three examples on how to use the
new representation on sensor devices, using three different drivers to
accomplish it. One driver is in thermal subsystem, the TI SoC
thermal, and the other two drivers are in hwmon subsystem.
Actually, this would be the first step of the complete work because we
still need to check other potential drivers to be converted and then
validate the proposed API. But the reason why I include it in this
pull request is that, first, this change does not hurt any others
without using this approach, second, the principle and concept of this
change would not break after converting the remaining drivers. BTW,
as you can see, there are several points in this change that do not
belong to thermal subsystem. Because it has been suggested by Guenter
R that in such cases, it is recommended to send the complete series
via one single subsystem.
Specifics:
- representing hardware thermal properties in device tree
infrastructure
- fix a regression that the imx thermal driver breaks system suspend.
- introduce ACPI INT3403 thermal driver to retrieve temperature data
from the INT3403 ACPI device object present on some systems.
- introduce debug statement for thermal core and step_wise governor.
- assorted fixes and cleanups for thermal core, cpu cooling, exynos
thrmal, intel powerclamp and imx thermal driver"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (34 commits)
thermal: remove const flag from .ops of imx thermal
Thermal: update thermal zone device after setting emul_temp
intel_powerclamp: Fix cstate counter detection.
thermal: imx: add necessary clk operation
Thermal cpu cooling: return error if no valid cpu frequency entry
thermal: fix cpu_cooling max_level behavior
thermal: rcar-thermal: Enable driver compilation with COMPILE_TEST
thermal: debug: add debug statement for core and step_wise
thermal: imx_thermal: add module device table
drivers: thermal: Mark function as static in x86_pkg_temp_thermal.c
thermal:samsung: fix compilation warning
thermal: imx: correct suspend/resume flow
thermal: exynos: fix error return code
Thermal: ACPI INT3403 thermal driver
MAINTAINERS: add thermal bindings entry in thermal domain
arm: dts: make OMAP4460 bandgap node to belong to OCP
arm: dts: make OMAP443x bandgap node to belong to OCP
arm: dts: add cooling properties on omap5 cpu node
arm: dts: add omap5 thermal data
arm: dts: add omap5 CORE thermal data
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"As far as the number of commits goes, the top spot belongs to ACPI
this time with cpufreq in the second position and a handful of PM
core, PNP and cpuidle updates. They are fixes and cleanups mostly, as
usual, with a couple of new features in the mix.
The most visible change is probably that we will create struct
acpi_device objects (visible in sysfs) for all devices represented in
the ACPI tables regardless of their status and there will be a new
sysfs attribute under those objects allowing user space to check that
status via _STA.
Consequently, ACPI device eject or generally hot-removal will not
delete those objects, unless the table containing the corresponding
namespace nodes is unloaded, which is extremely rare. Also ACPI
container hotplug will be handled quite a bit differently and cpufreq
will support CPU boost ("turbo") generically and not only in the
acpi-cpufreq driver.
Specifics:
- ACPI core changes to make it create a struct acpi_device object for
every device represented in the ACPI tables during all namespace
scans regardless of the current status of that device. In
accordance with this, ACPI hotplug operations will not delete those
objects, unless the underlying ACPI tables go away.
- On top of the above, new sysfs attribute for ACPI device objects
allowing user space to check device status by triggering the
execution of _STA for its ACPI object. From Srinivas Pandruvada.
- ACPI core hotplug changes reducing code duplication, integrating
the PCI root hotplug with the core and reworking container hotplug.
- ACPI core simplifications making it use ACPI_COMPANION() in the
code "glueing" ACPI device objects to "physical" devices.
- ACPICA update to upstream version 20131218. This adds support for
the DBG2 and PCCT tables to ACPICA, fixes some bugs and improves
debug facilities. From Bob Moore, Lv Zheng and Betty Dall.
- Init code change to carry out the early ACPI initialization
earlier. That should allow us to use ACPI during the timekeeping
initialization and possibly to simplify the EFI initialization too.
From Chun-Yi Lee.
- Clenups of the inclusions of ACPI headers in many places all over
from Lv Zheng and Rashika Kheria (work in progress).
- New helper for ACPI _DSM execution and rework of the code in
drivers that uses _DSM to execute it via the new helper. From
Jiang Liu.
- New Win8 OSI blacklist entries from Takashi Iwai.
- Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun
Guo, Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava,
Rashika Kheria, Tang Chen, Zhang Rui.
- intel_pstate driver updates, including proper Baytrail support,
from Dirk Brandewie and intel_pstate documentation from Ramkumar
Ramachandra.
- Generic CPU boost ("turbo") support for cpufreq from Lukasz
Majewski.
- powernow-k6 cpufreq driver fixes from Mikulas Patocka.
- cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark
Brown.
- Assorted cpufreq drivers fixes and cleanups from Anson Huang, John
Tobias, Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh
Kumar.
- cpuidle cleanups from Bartlomiej Zolnierkiewicz.
- Support for hibernation APM events from Bin Shi.
- Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC
disabled during thaw transitions from Bjørn Mork.
- PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf
Hansson.
- PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente
Kurusa, Rashika Kheria.
- New tool for profiling system suspend from Todd E Brandt and a
cpupower tool cleanup from One Thousand Gnomes"
* tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (153 commits)
thermal: exynos: boost: Automatic enable/disable of BOOST feature (at Exynos4412)
cpufreq: exynos4x12: Change L0 driver data to CPUFREQ_BOOST_FREQ
Documentation: cpufreq / boost: Update BOOST documentation
cpufreq: exynos: Extend Exynos cpufreq driver to support boost
cpufreq / boost: Kconfig: Support for software-managed BOOST
acpi-cpufreq: Adjust the code to use the common boost attribute
cpufreq: Add boost frequency support in core
intel_pstate: Add trace point to report internal state.
cpufreq: introduce cpufreq_generic_get() routine
ARM: SA1100: Create dummy clk_get_rate() to avoid build failures
cpufreq: stats: create sysfs entries when cpufreq_stats is a module
cpufreq: stats: free table and remove sysfs entry in a single routine
cpufreq: stats: remove hotplug notifiers
cpufreq: stats: handle cpufreq_unregister_driver() and suspend/resume properly
cpufreq: speedstep: remove unused speedstep_get_state
platform: introduce OF style 'modalias' support for platform bus
PM / tools: new tool for suspend/resume performance optimization
ACPI: fix module autoloading for ACPI enumerated devices
ACPI: add module autoloading support for ACPI enumerated devices
ACPI: fix create_modalias() return value handling
...
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This is in net-next only, for couple of days. Not used anymore, and never
should have been. So just remove it and pretend it was never there.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge second patch-bomb from Andrew Morton:
- various misc bits
- the rest of MM
- add generic fixmap.h, use it
- backlight updates
- dynamic_debug updates
- printk() updates
- checkpatch updates
- binfmt_elf
- ramfs
- init/
- autofs4
- drivers/rtc
- nilfs
- hfsplus
- Documentation/
- coredump
- procfs
- fork
- exec
- kexec
- kdump
- partitions
- rapidio
- rbtree
- userns
- memstick
- w1
- decompressors
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (197 commits)
lib/decompress_unlz4.c: always set an error return code on failures
romfs: fix returm err while getting inode in fill_super
drivers/w1/masters/w1-gpio.c: add strong pullup emulation
drivers/memstick/host/rtsx_pci_ms.c: fix ms card data transfer bug
userns: relax the posix_acl_valid() checks
arch/sh/kernel/dwarf.c: use rbtree postorder iteration helper instead of solution using repeated rb_erase()
fs-ext3-use-rbtree-postorder-iteration-helper-instead-of-opencoding-fix
fs/ext3: use rbtree postorder iteration helper instead of opencoding
fs/jffs2: use rbtree postorder iteration helper instead of opencoding
fs/ext4: use rbtree postorder iteration helper instead of opencoding
fs/ubifs: use rbtree postorder iteration helper instead of opencoding
net/netfilter/ipset/ip_set_hash_netiface.c: use rbtree postorder iteration instead of opencoding
rbtree/test: test rbtree_postorder_for_each_entry_safe()
rbtree/test: move rb_node to the middle of the test struct
rapidio: add modular rapidio core build into powerpc and mips branches
partitions/efi: complete documentation of gpt kernel param purpose
kdump: add /sys/kernel/vmcoreinfo ABI documentation
kdump: fix exported size of vmcoreinfo note
kexec: add sysctl to disable kexec_load
fs/exec.c: call arch_pick_mmap_layout() only once
...
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git://git.linaro.org/people/mike.turquette/linux
Pull clk framework changes from Mike Turquette:
"The first half of the clk framework pull request is made up almost
entirely of new platform/driver support. There are some conversions
of existing drivers to the common-clock Device Tree binding, and a few
non-critical fixes to the framework.
Due to an entirely unnecessary cyclical dependency with the arm-soc
tree this pull request is broken into two pieces. The second piece
will be sent out after arm-soc sends you the pull request that merged
in core support for the HiSilicon 3620 platform. That same pull
request from arm-soc depends on this pull request to merge in those
HiSilicon bits without causing build failures"
[ Just did the ARM SoC merges, so getting ready for the second clk tree
pull request - Linus ]
* tag 'clk-for-linus-3.14-part1' of git://git.linaro.org/people/mike.turquette/linux: (97 commits)
devicetree: bindings: Document qcom,mmcc
devicetree: bindings: Document qcom,gcc
clk: qcom: Add support for MSM8660's global clock controller (GCC)
clk: qcom: Add support for MSM8974's multimedia clock controller (MMCC)
clk: qcom: Add support for MSM8974's global clock controller (GCC)
clk: qcom: Add support for MSM8960's multimedia clock controller (MMCC)
clk: qcom: Add support for MSM8960's global clock controller (GCC)
clk: qcom: Add reset controller support
clk: qcom: Add support for branches/gate clocks
clk: qcom: Add support for root clock generators (RCGs)
clk: qcom: Add support for phase locked loops (PLLs)
clk: qcom: Add a regmap type clock struct
clk: Add set_rate_and_parent() op
reset: Silence warning in reset-controller.h
clk: sirf: re-arch to make the codes support both prima2 and atlas6
clk: composite: pass mux_hw into determine_rate
clk: shmobile: Fix MSTP clock array initialization
clk: shmobile: Fix MSTP clock index
ARM: dts: Add clock provider specific properties to max77686 node
clk: max77686: Register OF clock provider
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM driver updates from Olof Johansson:
"Updates of SoC-near drivers and other driver updates that makes more
sense to take through our tree.
The largest part of this is a conversion of device registration for
some renesas shmobile/sh devices over to use resources. This has
required coordination with the corresponding arch/sh changes, and
we've agreed to merge the arch/sh changes through our tree.
Added in this branch is support for Trusted Foundations secure
firmware, which is what is used on many of the commercial Nvidia Tegra
products that are in the market, including the Nvidia Shield. The
code is local to arch/arm at this time since it's uncertain whether it
will be shared with arm64 longer-term, if needed we will refactor
later.
A couple of new RTC drivers used on ARM boards, merged through our
tree on request by the RTC maintainer.
... plus a bunch of smaller updates across the board, gpio conversions
for davinci, etc"
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits)
watchdog: davinci: rename platform driver to davinci-wdt
tty: serial: Limit msm_serial_hs driver to platforms that use it
mmc: msm_sdcc: Limit driver to platforms that use it
usb: phy: msm: Move mach dependent code to platform data
clk: versatile: fixup IM-PD1 clock implementation
clk: versatile: pass a name to ICST clock provider
ARM: integrator: pass parent IRQ to the SIC
irqchip: versatile FPGA: support cascaded interrupts from DT
gpio: davinci: don't create irq_domain in case of unbanked irqs
gpio: davinci: use chained_irq_enter/chained_irq_exit API
gpio: davinci: add OF support
gpio: davinci: remove unused variable intc_irq_num
gpio: davinci: convert to use irqdomain support.
gpio: introduce GPIO_DAVINCI kconfig option
gpio: davinci: get rid of DAVINCI_N_GPIO
gpio: davinci: use {readl|writel}_relaxed() instead of __raw_*
serial: sh-sci: Add OF support
serial: sh-sci: Add device tree bindings documentation
serial: sh-sci: Remove platform data mapbase and irqs fields
serial: sh-sci: Remove platform data scbrr_algo_id field
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC board updates from Olof Johansson:
"This branch is reducing in size for every release since most
board-related changes have started happening in devicetrees now.
Still, we have some things going on here.
* Renesas platforms are still adding a bit more legacy device
support, something that should trail off shortly as they move to
full DT
* We group most defconfig updates into this branch out of old habits
* Removal of legacy OMAP2 platforms over to DT continues, and a
handful of old code is being removed here"
* tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (94 commits)
ARM: dts: OMAP2: fix interrupt number for rng
ARM: dts: Split omap3 pinmux core device
ARM: dts: Add omap specific pinctrl defines to use padconf addresses
ARM: bcm2835: bcm2835_defconfig updates
ARM: msm_defconfig: Enable restart driver
defconfig: msm_defconfig: Enable CONFIG_ARCH_MSM8974
ARM: msm: Add support for APQ8074 Dragonboard
ARM: exynos_defconfig: Enable S2MPS11 voltage regulator
ARM: tegra: Enable DRM panel support
ARM: shmobile: mackerel: Fix USBHS pinconf entry
ARM: shmobile: Let Koelsch multiplatform boot with Koelsch DTB
ARM: shmobile: Let Lager multiplatform boot with Lager DTB
ARM: shmobile: Remove non-multiplatform Koelsch reference support
ARM: shmobile: Remove non-multiplatform Lager reference support
ARM: shmobile: koelsch-reference: Instantiate clkdevs for SCIF and CMT
ARM: shmobile: lager-reference: Instantiate clkdevs for SCIF and CMT
ARM: shmobile: koelsch-reference: Remove duplicate CCF initialization
ARM: shmobile: lager-reference: Enable multiplaform kernel support
ARM: shmobile: armadillo: Set backlight enable GPIO
ARM: shmobile: Koelsch: add Ether support
...
Conflicts:
arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Olof Johansson:
"DT and DT-conversion-related changes for various ARM platforms. Most
of these are to enable various devices on various boards, etc, and not
necessarily worth enumerating.
New boards and systems continue to come in as new devicetree files
that don't require corresponding C changes any more, which is
indicating that the system is starting to work fairly well.
A few things worth pointing out:
* ST Ericsson ux500 platforms have made the major push to move over
to fully support the platform with DT
* Renesas platforms continue their conversion over from legacy
platform devices to DT-based for hardware description"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (327 commits)
ARM: dts: SiRF: add pin group for USP0 with only RX or TX frame sync
ARM: dts: SiRF: add lost usp1_uart_nostreamctrl pin group for atlas6
ARM: dts: sirf: add lost minigpsrtc device node
ARM: dts: sirf: add clock, frequence-voltage table for CPU0
ARM: dts: sirf: add lost bus_width, clock and status for sdhci
ARM: dts: sirf: add lost clocks for cphifbg
ARM: dts: socfpga: add pl330 clock
ARM: dts: socfpga: update L2 tag and data latency
arm: sun7i: cubietruck: Enable the i2c controllers
ARM: dts: add support for EXYNOS4412 based TINY4412 board
ARM: dts: Add initial support for Arndale Octa board
ARM: bcm2835: add USB controller to device tree
ARM: dts: MSM8974: Add MMIO architected timer node
ARM: dts: MSM8974: Add restart node
ARM: dts: sun7i: external clock outputs
ARM: dts: sun7i: Change 32768 Hz oscillator node name to clk@N style
ARM: dts: sun7i: Add pin muxing options for clock outputs
ARM: dts: sun7i: Add rtp controller node
ARM: dts: sun5i: Add rtp controller node
ARM: dts: sun4i: Add rtp controller node
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Olof Johansson:
"New core SoC-specific changes.
New platforms:
* Introduction of a vendor, Hisilicon, and one of their SoCs with
some random numerical product name.
* Introduction of EFM32, embedded platform from Silicon Labs (ARMv7m,
i.e. !MMU).
* Marvell Berlin series of SoCs, which include the one in Chromecast.
* MOXA platform support, ARM9-based platform used mostly in
industrial products
* Support for Freescale's i.MX50 SoC.
Other work:
* Renesas work for new platforms and drivers, and conversion over to
more multiplatform-friendly device registration schemes.
* SMP support for Allwinner sunxi platforms.
* ... plus a bunch of other stuff across various platforms"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (201 commits)
ARM: tegra: fix tegra_powergate_sequence_power_up() inline
ARM: msm_defconfig: Update for multi-platform
ARM: msm: Move MSM's DT based hardware to multi-platform support
ARM: msm: Only build timer.c if required
ARM: msm: Only build clock.c on proc_comm based platforms
ARM: ux500: Enable system suspend with WFI support
ARM: ux500: turn on PRINTK_TIME in u8500_defconfig
ARM: shmobile: r8a7790: Fix I2C controller names
ARM: msm: Simplify ARCH_MSM_DT config
ARM: msm: Add support for MSM8974 SoC
ARM: sunxi: select ARM_PSCI
MAINTAINERS: Update Allwinner sunXi maintainer files
ARM: sunxi: Select RESET_CONTROLLER
ARM: imx: improve the comment of CCM lpm SW workaround
ARM: imx: improve status check of clock gate
ARM: imx: add necessary interface for pfd
ARM: imx_v6_v7_defconfig: Select CONFIG_REGULATOR_PFUZE100
ARM: imx_v6_v7_defconfig: Select MX35 and MX50 device tree support
ARM: imx: Add cpu frequency scaling support
ARM i.MX35: Add devicetree support.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"This is the branch where we usually queue up cleanup efforts, moving
drivers out of the architecture directory, header file restructuring,
etc. Sometimes they tangle with new development so it's hard to keep
it strictly to cleanups.
Some of the things included in this branch are:
* Atmel SAMA5 conversion to common clock
* Reset framework conversion for tegra platforms
- Some of this depends on tegra clock driver reworks that are shared
with Mike Turquette's clk tree.
* Tegra DMA refactoring, which are shared branches with the DMA tree.
* Removal of some header files on exynos to prepare for
multiplatform"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (169 commits)
ARM: mvebu: move Armada 370/XP specific definitions to armada-370-xp.h
ARM: mvebu: remove prototypes of non-existing functions from common.h
ARM: mvebu: move ARMADA_XP_MAX_CPUS to armada-370-xp.h
serial: sh-sci: Rework baud rate calculation
serial: sh-sci: Compute overrun_bit without using baud rate algo
serial: sh-sci: Remove unused GPIO request code
serial: sh-sci: Move overrun_bit and error_mask fields out of pdata
serial: sh-sci: Support resources passed through platform resources
serial: sh-sci: Don't check IRQ in verify port operation
serial: sh-sci: Set the UPF_FIXED_PORT flag
serial: sh-sci: Remove duplicate interrupt check in verify port op
serial: sh-sci: Simplify baud rate calculation algorithms
serial: sh-sci: Remove baud rate calculation algorithm 5
serial: sh-sci: Sort headers alphabetically
ARM: EXYNOS: Kill exynos_pm_late_initcall()
ARM: EXYNOS: Consolidate selection of PM_GENERIC_DOMAINS for Exynos4
ARM: at91: switch Calao QIL-A9260 board to DT
clk: at91: fix pmc_clk_ids data type attriubte
PM / devfreq: use inclusion <mach/map.h> instead of <plat/map-s5p.h>
ARM: EXYNOS: remove <mach/regs-clock.h> for exynos
...
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Pull crypto update from Herbert Xu:
"Here is the crypto update for 3.14:
- Improved crypto_memneq helper
- Use cyprto_memneq in arch-specific crypto code
- Replaced orphaned DCP driver with Freescale MXS DCP driver
- Added AVX/AVX2 version of AESNI-GCM encode and decode
- Added AMD Cryptographic Coprocessor (CCP) driver
- Misc fixes"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (41 commits)
crypto: aesni - fix build on x86 (32bit)
crypto: mxs - Fix sparse non static symbol warning
crypto: ccp - CCP device enabled/disabled changes
crypto: ccp - Cleanup hash invocation calls
crypto: ccp - Change data length declarations to u64
crypto: ccp - Check for caller result area before using it
crypto: ccp - Cleanup scatterlist usage
crypto: ccp - Apply appropriate gfp_t type to memory allocations
crypto: drivers - Sort drivers/crypto/Makefile
ARM: mxs: dts: Enable DCP for MXS
crypto: mxs - Add Freescale MXS DCP driver
crypto: mxs - Remove the old DCP driver
crypto: ahash - Fully restore ahash request before completing
crypto: aesni - fix build on x86 (32bit)
crypto: talitos - Remove redundant dev_set_drvdata
crypto: ccp - Remove redundant dev_set_drvdata
crypto: crypto4xx - Remove redundant dev_set_drvdata
crypto: caam - simplify and harden key parsing
crypto: omap-sham - Fix Polling mode for larger blocks
crypto: tcrypt - Added speed tests for AEAD crypto alogrithms in tcrypt test suite
...
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Pull audit update from Eric Paris:
"Again we stayed pretty well contained inside the audit system.
Venturing out was fixing a couple of function prototypes which were
inconsistent (didn't hurt anything, but we used the same value as an
int, uint, u32, and I think even a long in a couple of places).
We also made a couple of minor changes to when a couple of LSMs called
the audit system. We hoped to add aarch64 audit support this go
round, but it wasn't ready.
I'm disappearing on vacation on Thursday. I should have internet
access, but it'll be spotty. If anything goes wrong please be sure to
cc rgb@redhat.com. He'll make fixing things his top priority"
* git://git.infradead.org/users/eparis/audit: (50 commits)
audit: whitespace fix in kernel-parameters.txt
audit: fix location of __net_initdata for audit_net_ops
audit: remove pr_info for every network namespace
audit: Modify a set of system calls in audit class definitions
audit: Convert int limit uses to u32
audit: Use more current logging style
audit: Use hex_byte_pack_upper
audit: correct a type mismatch in audit_syscall_exit()
audit: reorder AUDIT_TTY_SET arguments
audit: rework AUDIT_TTY_SET to only grab spin_lock once
audit: remove needless switch in AUDIT_SET
audit: use define's for audit version
audit: documentation of audit= kernel parameter
audit: wait_for_auditd rework for readability
audit: update MAINTAINERS
audit: log task info on feature change
audit: fix incorrect set of audit_sock
audit: print error message when fail to create audit socket
audit: fix dangling keywords in audit_log_set_loginuid() output
audit: log on errors from filter user rules
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Strong pullup is emulated by driving pin logic high after write command
when using tri-state push-pull GPIO.
Signed-off-by: Evgeny Boger <boger@contactless.ru>
Cc: Greg KH <greg@kroah.com>
Acked-by: David Fries <david@fries.net>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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For general-purpose (i.e. distro) kernel builds it makes sense to build
with CONFIG_KEXEC to allow end users to choose what kind of things they
want to do with kexec. However, in the face of trying to lock down a
system with such a kernel, there needs to be a way to disable kexec_load
(much like module loading can be disabled). Without this, it is too easy
for the root user to modify kernel memory even when CONFIG_STRICT_DEVMEM
and modules_disabled are set. With this change, it is still possible to
load an image for use later, then disable kexec_load so the image (or lack
of image) can't be altered.
The intention is for using this in environments where "perfect"
enforcement is hard. Without a verified boot, along with verified
modules, and along with verified kexec, this is trying to give a system a
better chance to defend itself (or at least grow the window of
discoverability) against attack in the face of a privilege escalation.
In my mind, I consider several boot scenarios:
1) Verified boot of read-only verified root fs loading fd-based
verification of kexec images.
2) Secure boot of writable root fs loading signed kexec images.
3) Regular boot loading kexec (e.g. kcrash) image early and locking it.
4) Regular boot with no control of kexec image at all.
1 and 2 don't exist yet, but will soon once the verified kexec series has
landed. 4 is the state of things now. The gap between 2 and 4 is too
large, so this change creates scenario 3, a middle-ground above 4 when 2
and 1 are not possible for a system.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We can kill either task->did_exec or PF_FORKNOEXEC, they are mutually
exclusive. The patch kills ->did_exec because it has a single user.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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dup_mm() is used only in kernel/fork.c
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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get_task_state() and task_state_array[] look confusing and suboptimal, it
is not clear what it can actually report to user-space and
task_state_array[] blows .data for no reason.
1. state = (tsk->state & TASK_REPORT) | tsk->exit_state is not
clear. TASK_REPORT is self-documenting but it is not clear
what ->exit_state can add.
Move the potential exit_state's (EXIT_ZOMBIE and EXIT_DEAD)
into TASK_REPORT and use it to calculate the final result.
2. With the change above it is obvious that task_state_array[]
has the unused entries just to make BUILD_BUG_ON() happy.
Change this BUILD_BUG_ON() to use TASK_REPORT rather than
TASK_STATE_MAX and shrink task_state_array[].
3. Turn the "while (state)" loop into fls(state).
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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