Granting pages consumes backend system memory. In systems configured
with insufficient spare memory for those pages, it can cause a memory
pressure situation. However, finding the optimal amount of the spare
memory is challenging for large systems having dynamic resource
utilization patterns. Also, such a static configuration might lack
flexibility.
To mitigate such problems, this commit adds a memory reclaim callback to
'xenbus_driver'. If a memory pressure is detected, 'xenbus' requests
every backend driver to volunarily release its memory.
Note that it would be able to improve the callback facility for more
sophisticated handlings of general pressures. For example, it would be
possible to monitor the memory consumption of each device and issue the
release requests to only devices which causing the pressure. Also, the
callback could be extended to handle not only memory, but general
resources. Nevertheless, this version of the implementation defers such
sophisticated goals as a future work.
Reviewed-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
In order to fix XDP support if sw buffer management is used as fallback
for hw bm devices, define MVNETA_SKB_HEADROOM as maximum between
XDP_PACKET_HEADROOM and NET_SKB_PAD and let the hw aligns the IP header
to 4-byte boundary.
Fix rx_offset_correction initialization if mvneta_bm_port_init fails in
mvneta_resume routine
Fixes: 0db51da7a8 ("net: mvneta: add basic XDP support")
Tested-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tony reported a boot regression caused by the recent workaround for systems
which have a disabled (clock gate off) PIT.
On his machine the kernel fails to initialize the PIT because
apic_needs_pit() does not take into account whether the local APIC
interrupt delivery mode will actually allow to setup and use the local
APIC timer. This should be easy to reproduce with acpi=off on the
command line which also disables HPET.
Due to the way the PIT/HPET and APIC setup ordering works (APIC setup can
require working PIT/HPET) the information is not available at the point
where apic_needs_pit() makes this decision.
To address this, split out the interrupt mode selection from
apic_intr_mode_init(), invoke the selection before making the decision
whether PIT is required or not, and add the missing checks into
apic_needs_pit().
Fixes: c8c4076723 ("x86/timer: Skip PIT initialization on modern chipsets")
Reported-by: Anthony Buckley <tony.buckley000@gmail.com>
Tested-by: Anthony Buckley <tony.buckley000@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Daniel Drake <drake@endlessm.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206125
Link: https://lore.kernel.org/r/87sgk6tmk2.fsf@nanos.tec.linutronix.de
Qualcomm WCD9340/WCD9341 Codec is a standalone Hi-Fi audio codec IC.
This codec has integrated SoundWire controller, pin controller and
interrupt controller.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Convert the use of kvmalloc_array with __GFP_ZERO to
the equivalent kvcalloc.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This doc patch provides an initial description of the hcall op-codes
that are used by Linux kernel running as a guest (LPAR) on top of
PowerVM or any other sPAPR compliant hyper-visor (e.g qemu).
Apart from documenting the hcalls the doc-patch also provides a
rudimentary overview of how hcall ABI, how they are issued with the
Linux kernel and how information/control flows between the guest and
hypervisor.
Signed-off-by: Vaibhav Jain <vaibhav@linux.ibm.com>
Reviewed-by: Laurent Dufour <ldufour@linux.ibm.com>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Add SPDX tag, add it to index.rst]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190828082729.16695-1-vaibhav@linux.ibm.com
net/mptcp/subflow.c: In function ‘mptcp_subflow_create_socket’:
net/mptcp/subflow.c:624:25: error: ‘struct netns_core’ has no member named ‘sock_inuse’
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Note that mptcp@lists.01.org is moderated, like we note for
other mailing lists.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Mat Martineau <mathew.j.martineau@linux.intel.com>
Cc: Matthieu Baerts <matthieu.baerts@tessares.net>
Cc: netdev@vger.kernel.org
Cc: mptcp@lists.01.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Without relaxing this requirement, TU10x boards will fail to load without
an updated linux-firmware, and TU11x will completely fail to load because
FW isn't available yet.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This fixes an oops on TU11x GPUs where SEC2 attempts to register its falcon,
and triggers a NULL-pointer deref because ACR isn't yet supported.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The implementations for most channel types contains a map of methods to
priv registers in order to provide debugging info when a disp exception
has been raised.
This info is missing from the implementation of PIO channels as they're
rather simplistic already, however, if an exception is raised by one of
them, we'd end up triggering a NULL-pointer deref. Not ideal...
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=206299
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This patch adds the support for the notification of HD-audio hotplug
via the already existing drm_audio_component framework. This allows
us more reliable hotplug notification and ELD transfer without
accessing HD-audio bus; it's more efficient, and more importantly, it
works without waking up the runtime PM.
The implementation is rather simplistic: nouveau driver provides the
get_eld ops for HD-audio, and it notifies the audio hotplug via
pin_eld_notify callback upon each nv50_audio_enable() and _disable()
call. As the HD-audio pin assignment seems corresponding to the CRTC,
the crtc->index number is passed directly as the zero-based port
number.
The bind and unbind callbacks handle the device-link so that it
assures the PM call order.
Link: https://lore.kernel.org/r/20190722143815.7339-3-tiwai@suse.de
Reviewed-by: Lyude Paul <lyude@redhat.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Fixes: 3a167beac0 ("kvm: powerpc: Add kvmppc_ops callback")
Signed-off-by: David Michael <fedora.dm0@gmail.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
When migrate_vma_setup() fails in kvmppc_svm_page_out(),
release kvm->arch.uvmem_lock before returning.
Fixes: ca9f494267 ("KVM: PPC: Book3S HV: Support for running secure guests")
Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
The 'hist:' prefix gets stripped from the command text during command
processing, but should be added back when displaying the command
during error processing.
Not only because it's what should be displayed but also because not
having it means the test cases fail because the caret is miscalculated
by the length of the prefix string.
Link: http://lkml.kernel.org/r/449df721f560042e22382f67574bcc5b4d830d3d.1561743018.git.zanussi@kernel.org
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
In the process of adding better error messages for sorting, I realized
that strsep was being used incorrectly and some of the error paths I
was expecting to be hit weren't and just fell through to the common
invalid key error case.
It also became obvious that for keyword assignments, it wasn't
necessary to save the full assignment and reparse it later, and having
a common empty-assignment check would also make more sense in terms of
error processing.
Change the code to fix these problems and simplify it for new error
message changes in a subsequent patch.
Link: http://lkml.kernel.org/r/1c3ef0b6655deaf345f6faee2584a0298ac2d743.1561743018.git.zanussi@kernel.org
Fixes: e62347d245 ("tracing: Add hist trigger support for user-defined sorting ('sort=' param)")
Fixes: 7ef224d1d0 ("tracing: Add 'hist' event trigger command")
Fixes: a4072fe85b ("tracing: Add a clock attribute for hist triggers")
Reported-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Sphinx warnings about his:
Documentation/trace/kprobetrace.rst:68: WARNING: undefined label: user_mem_access (if the link has no caption the label must precede a section header)
The problem is quite simple: Sphinx wants a blank line after
references.
Link: http://lkml.kernel.org/r/a83ea390bc28784518fce772b4c961ea1c976f14.1560883872.git.mchehab+samsung@kernel.org
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
There is no lock preventing both l2cap_sock_release() and
chan->ops->close() from running at the same time.
If we consider Thread A running l2cap_chan_timeout() and Thread B running
l2cap_sock_release(), expected behavior is:
A::l2cap_chan_timeout()->l2cap_chan_close()->l2cap_sock_teardown_cb()
A::l2cap_chan_timeout()->l2cap_sock_close_cb()->l2cap_sock_kill()
B::l2cap_sock_release()->sock_orphan()
B::l2cap_sock_release()->l2cap_sock_kill()
where,
sock_orphan() clears "sk->sk_socket" and l2cap_sock_teardown_cb() marks
socket as SOCK_ZAPPED.
In l2cap_sock_kill(), there is an "if-statement" that checks if both
sock_orphan() and sock_teardown() has been run i.e. sk->sk_socket is NULL
and socket is marked as SOCK_ZAPPED. Socket is killed if the condition is
satisfied.
In the race condition, following occurs:
A::l2cap_chan_timeout()->l2cap_chan_close()->l2cap_sock_teardown_cb()
B::l2cap_sock_release()->sock_orphan()
B::l2cap_sock_release()->l2cap_sock_kill()
A::l2cap_chan_timeout()->l2cap_sock_close_cb()->l2cap_sock_kill()
In this scenario, "if-statement" is true in both B::l2cap_sock_kill() and
A::l2cap_sock_kill() and we hit "refcount: underflow; use-after-free" bug.
Similar condition occurs at other places where teardown/sock_kill is
happening:
l2cap_disconnect_rsp()->l2cap_chan_del()->l2cap_sock_teardown_cb()
l2cap_disconnect_rsp()->l2cap_sock_close_cb()->l2cap_sock_kill()
l2cap_conn_del()->l2cap_chan_del()->l2cap_sock_teardown_cb()
l2cap_conn_del()->l2cap_sock_close_cb()->l2cap_sock_kill()
l2cap_disconnect_req()->l2cap_chan_del()->l2cap_sock_teardown_cb()
l2cap_disconnect_req()->l2cap_sock_close_cb()->l2cap_sock_kill()
l2cap_sock_cleanup_listen()->l2cap_chan_close()->l2cap_sock_teardown_cb()
l2cap_sock_cleanup_listen()->l2cap_sock_kill()
Protect teardown/sock_kill and orphan/sock_kill by adding hold_lock on
l2cap channel to ensure that the socket is killed only after marked as
zapped and orphan.
Signed-off-by: Manish Mandlik <mmandlik@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Pull security subsystem update from James Morris:
"Just one minor fix this time"
* 'for-v5.6' of git://git.kernel.org:/pub/scm/linux/kernel/git/jmorris/linux-security:
security: remove EARLY_LSM_COUNT which never used
Pull IMA updates from Mimi Zohar:
"Two new features - measuring certificates and querying IMA for a file
hash - and three bug fixes:
- Measuring certificates is like the rest of IMA, based on policy,
but requires loading a custom policy. Certificates loaded onto a
keyring, for example during early boot, before a custom policy has
been loaded, are queued and only processed after loading the custom
policy.
- IMA calculates and caches files hashes. Other kernel subsystems,
and possibly kernel modules, are interested in accessing these
cached file hashes.
The bug fixes prevent classifying a file short read (e.g. shutdown) as
an invalid file signature, add a missing blank when displaying the
securityfs policy rules containing LSM labels, and, lastly, fix the
handling of the IMA policy information for unknown LSM labels"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
IMA: Defined delayed workqueue to free the queued keys
IMA: Call workqueue functions to measure queued keys
IMA: Define workqueue for early boot key measurements
IMA: pre-allocate buffer to hold keyrings string
ima: ima/lsm policy rule loading logic bug fixes
ima: add the ability to query the cached hash of a given file
ima: Add a space after printing LSM rules for readability
IMA: fix measuring asymmetric keys Kconfig
IMA: Read keyrings= option from the IMA policy
IMA: Add support to limit measuring keys
KEYS: Call the IMA hook to measure keys
IMA: Define an IMA hook to measure keys
IMA: Add KEY_CHECK func to measure keys
IMA: Check IMA policy flag
ima: avoid appraise error for hash calc interrupt
- Add clang 10 build support.
- Fix BUG() implementation to contain precise bug address, which is
relevant for kprobes.
- Make ftraced function appear in a stacktrace.
- Minor perf improvements and refactoring.
- Possible deadlock and recovery fixes in pci code.
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Merge tag 's390-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik:
- Add clang 10 build support.
- Fix BUG() implementation to contain precise bug address, which is
relevant for kprobes.
- Make ftraced function appear in a stacktrace.
- Minor perf improvements and refactoring.
- Possible deadlock and recovery fixes in pci code.
* tag 's390-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: fix __EMIT_BUG() macro
s390/ftrace: generate traced function stack frame
s390: adjust -mpacked-stack support check for clang 10
s390/jump_label: use "i" constraint for clang
s390/cpum_sf: Use DIV_ROUND_UP
s390/cpum_sf: Use kzalloc and minor changes
s390/cpum_sf: Convert debug trace to common layout
s390/pci: Fix possible deadlock in recover_store()
s390/pci: Recover handle in clp_set_pci_fn()
- Fix for time travel mode
- Disable CONFIG_CONSTRUCTORS again
- A new command line option to have an non-raw serial line
- Preparations to remove obsolete UML network drivers
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Merge tag 'for-linus-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Anton Ivanov:
"I am sending this on behalf of Richard who is traveling.
This contains the following changes for UML:
- Fix for time travel mode
- Disable CONFIG_CONSTRUCTORS again
- A new command line option to have an non-raw serial line
- Preparations to remove obsolete UML network drivers"
* tag 'for-linus-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: Fix time-travel=inf-cpu with xor/raid6
Revert "um: Enable CONFIG_CONSTRUCTORS"
um: Mark non-vector net transports as obsolete
um: Add an option to make serial driver non-raw
or user space. But the creating of the event format file only checks for
"string" to display string formats. "ustring" must also be handled.
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Merge tag 'trace-v5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"Kprobe events added 'ustring' to distinguish reading strings from
kernel space or user space.
But the creating of the event format file only checks for 'string' to
display string formats. 'ustring' must also be handled"
* tag 'trace-v5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/kprobes: Have uname use __get_str() in print_fmt
For personalities previously registered via IORING_REGISTER_PERSONALITY,
allow any command to select them. This is done through setting
sqe->personality to the id returned from registration, and then flagging
sqe->flags with IOSQE_PERSONALITY.
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If an application wants to use a ring with different kinds of
credentials, it can register them upfront. We don't lookup credentials,
the credentials of the task calling IORING_REGISTER_PERSONALITY is used.
An 'id' is returned for the application to use in subsequent personality
support.
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If IORING_SETUP_ATTACH_WQ is set, it expects wq_fd in io_uring_params to
be a valid io_uring fd io-wq of which will be shared with the newly
created io_uring instance. If the flag is set but it can't share io-wq,
it fails.
This allows creation of "sibling" io_urings, where we prefer to keep the
SQ/CQ private, but want to share the async backend to minimize the amount
of overhead associated with having multiple rings that belong to the same
backend.
Reported-by: Jens Axboe <axboe@kernel.dk>
Reported-by: Daurnimator <quae@daurnimator.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Export a helper to attach to an existing io-wq, rather than setting up
a new one. This is doable now that we have reference counted io_wq's.
Reported-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We currently setup the io_wq with a static set of mm and creds. Even for
a single-use io-wq per io_uring, this is suboptimal as we have may have
multiple enters of the ring. For sharing the io-wq backend, it doesn't
work at all.
Switch to passing in the creds and mm when the work item is setup. This
means that async work is no longer deferred to the io_uring mm and creds,
it is done with the current mm and creds.
Flag this behavior with IORING_FEAT_CUR_PERSONALITY, so applications know
they can rely on the current personality (mm and creds) being the same
for direct issue and async issue.
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Fix compilation warning when compiling with make W=1 (Amit Kucheria)
- Code cleanup and refactoring, regmap conversion and add hwmon
support on Qoriq (Andrey Smirnov)
- Add an idle injection cpu cooling device and its documentation,
rename the cpu_cooling device to cpufreq_cooling device (Daniel
Lezcano)
- Convert unexported functions to static, add the __init annotation in
the thermal-of code and remove the pointless wrapper functions
(Daniel Lezcano)
- Fix register offset for Armada XP and register reset bit
initialization (Zak Hays)
- Enable hwmon on the rockchip (Stefan Schaeckeler)
- Add the thermal sensor for the H6/H5/H3/A64/A83T/R40 sun8i platform
and their device tree bindings, followed by a fix for the ths number
and the sparse warnings (Yangtao Li)
- Code cleansup for the sun8i and hwmon support (Yangtao Li)
- Silent some messages which are misleading given the changes made in
the previous version on generic-adc (Martin Blumenstingl)
- Rename exynos to Exynos (Krzysztof Kozlowski)
- Add the bcm2711 thermal driver with the device tree bindings (Stefan
Wahren)
- Use usleep_range() instead of udelay() as the call is always done in
a sleep-able context (Geert Uytterhoeven)
- Do code cleanup and re-organization to set the scene for a new
process for the brcmstb (Florian Fainelli)
- Fix bindings check issues on brcm (Stefan Wahren)
- Add Jasper Lake support on int340x (Nivedita Swaminathan)
- Add Comet Lake support on intel pch (Gayatri Kammela)
- Fix unmatched pci_release_region() on x86 (Chuhong Yuan)
- Remove temperature boundaries for rcar and rcar3 (Niklas Söderlund)
- Fix return value to -ENODEV when thermal_zone_of_sensor_register()
is called with the of-node is missing (Peter Mamonov)
- Code cleanup, interrupt bouncing, and better support on stm32
(Pascal Paillet)
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Merge tag 'thermal-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Depromote debug print on the db8500 platform (Linus Walleij)
- Fix compilation warning when compiling with make W=1 (Amit Kucheria)
- Code cleanup and refactoring, regmap conversion and add hwmon support
on Qoriq (Andrey Smirnov)
- Add an idle injection cpu cooling device and its documentation,
rename the cpu_cooling device to cpufreq_cooling device (Daniel
Lezcano)
- Convert unexported functions to static, add the __init annotation in
the thermal-of code and remove the pointless wrapper functions
(Daniel Lezcano)
- Fix register offset for Armada XP and register reset bit
initialization (Zak Hays)
- Enable hwmon on the rockchip (Stefan Schaeckeler)
- Add the thermal sensor for the H6/H5/H3/A64/A83T/R40 sun8i platform
and their device tree bindings, followed by a fix for the ths number
and the sparse warnings (Yangtao Li)
- Code cleansup for the sun8i and hwmon support (Yangtao Li)
- Silent some messages which are misleading given the changes made in
the previous version on generic-adc (Martin Blumenstingl)
- Rename exynos to Exynos (Krzysztof Kozlowski)
- Add the bcm2711 thermal driver with the device tree bindings (Stefan
Wahren)
- Use usleep_range() instead of udelay() as the call is always done in
a sleep-able context (Geert Uytterhoeven)
- Do code cleanup and re-organization to set the scene for a new
process for the brcmstb (Florian Fainelli)
- Fix bindings check issues on brcm (Stefan Wahren)
- Add Jasper Lake support on int340x (Nivedita Swaminathan)
- Add Comet Lake support on intel pch (Gayatri Kammela)
- Fix unmatched pci_release_region() on x86 (Chuhong Yuan)
- Remove temperature boundaries for rcar and rcar3 (Niklas Söderlund)
- Fix return value to -ENODEV when thermal_zone_of_sensor_register() is
called with the of-node is missing (Peter Mamonov)
- Code cleanup, interrupt bouncing, and better support on stm32 (Pascal
Paillet)
* tag 'thermal-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (66 commits)
thermal: stm32: Fix low threshold interrupt flood
thermal: stm32: Improve temperature computing
thermal: stm32: Handle multiple trip points
thermal: stm32: Disable interrupts at probe
thermal: stm32: Rework sensor mode management
thermal: stm32: Fix icifr register name
thermal: of: Make thermal_zone_of_sensor_register return -ENODEV if a sensor OF node is missing
thermal: rcar_gen3_thermal: Remove temperature bound
thermal: rcar_thermal: Remove temperature bound
thermal: intel: intel_pch_thermal: Add Comet Lake (CML) platform support
thermal: intel: Fix unmatched pci_release_region
thermal: int340x: processor_thermal: Add Jasper Lake support
dt-bindings: brcm,avs-ro-thermal: Fix binding check issues
thermal: brcmstb_thermal: Register different ops per process
thermal: brcmstb_thermal: Restructure interrupt registration
thermal: brcmstb_thermal: Add 16nm process thermal parameters
dt-bindings: thermal: Define BCM7216 thermal sensor compatible
thermal: brcmstb_thermal: Prepare to support a different process
thermal: brcmstb_thermal: Do not use DT coefficients
thermal: rcar_thermal: Use usleep_range() instead of udelay()
...
As diffstat shows we've had again a lot of works done for this cycle:
majority of changes are the continued componentization and code
refactoring in ASoC, the tree-wide PCM API updates and cleanups
and SOF updates while a few ASoC driver updates are seen, too.
Here we go, some highlights:
Core:
- Finally y2038 support landed to ALSA ABI;
some ioctls have been extended and lots of tricks were applied
- Applying the new managed PCM buffer API to all drivers;
the API itself was already merged in 5.5
- The already deprecated dimension support in ALSA control API is
dropped completely now
- Verification of ALSA control elements to catch API misuses
ASoC:
- Further code refactorings and moving things to the component level
- Lots of updates and improvements on SOF / Intel drivers;
now including common HDMI driver and SoundWire support
- New driver support for Ingenic JZ4770, Mediatek MT6660, Qualcomm
WCD934x and WSA881x, and Realtek RT700, RT711, RT715, RT1011, RT1015
and RT1308
HD-audio:
- Improved ring-buffer communications using waitqueue
- Drop the superfluous buffer preallocation on x86
Others:
- Many code cleanups, mostly constifications over the whole tree
- USB-audio: quirks for MOTU, Corsair Virtuoso, Line6 Helix
- FireWire: code refactoring for oxfw and dice drivers
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Merge tag 'sound-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"As the diffstat shows we've had again a lot of works done for this
cycle: the majority of changes are the continued componentization and
code refactoring in ASoC, the tree-wide PCM API updates and cleanups
and SOF updates while a few ASoC driver updates are seen, too.
Here we go, some highlights:
Core:
- Finally y2038 support landed to ALSA ABI; some ioctls have been
extended and lots of tricks were applied
- Applying the new managed PCM buffer API to all drivers; the API
itself was already merged in 5.5
- The already deprecated dimension support in ALSA control API is
dropped completely now
- Verification of ALSA control elements to catch API misuses
ASoC:
- Further code refactorings and moving things to the component level
- Lots of updates and improvements on SOF / Intel drivers; now
including common HDMI driver and SoundWire support
- New driver support for Ingenic JZ4770, Mediatek MT6660, Qualcomm
WCD934x and WSA881x, and Realtek RT700, RT711, RT715, RT1011,
RT1015 and RT1308
HD-audio:
- Improved ring-buffer communications using waitqueue
- Drop the superfluous buffer preallocation on x86
Others:
- Many code cleanups, mostly constifications over the whole tree
- USB-audio: quirks for MOTU, Corsair Virtuoso, Line6 Helix
- FireWire: code refactoring for oxfw and dice drivers"
* tag 'sound-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (638 commits)
ALSA: usb-audio: add quirks for Line6 Helix devices fw>=2.82
ALSA: hda: Add Clevo W65_67SB the power_save blacklist
ASoC: soc-core: remove null_snd_soc_ops
ASoC: soc-pcm: add soc_rtd_trigger()
ASoC: soc-pcm: add soc_rtd_hw_free()
ASoC: soc-pcm: add soc_rtd_hw_params()
ASoC: soc-pcm: add soc_rtd_prepare()
ASoC: soc-pcm: add soc_rtd_shutdown()
ASoC: soc-pcm: add soc_rtd_startup()
ASoC: rt1015: add rt1015 amplifier driver
ASoC: madera: Correct some kernel doc
ASoC: topology: fix soc_tplg_fe_link_create() - link->dobj initialization order
ASoC: Intel: skl_hda_dsp_common: Fix global-out-of-bounds bug
ASoC: madera: Correct DMIC only input hook ups
ALSA: cs46xx: fix spelling mistake "to" -> "too"
ALSA: hda - Add docking station support for Lenovo Thinkpad T420s
ASoC: Add MediaTek MT6660 Speaker Amp Driver
ASoC: dt-bindings: rt5645: add suppliers
ASoC: max98090: fix deadlock in max98090_dapm_put_enum_double()
ASoC: dapm: add snd_soc_dapm_put_enum_double_locked
...
Pull networking updates from David Miller:
1) Add WireGuard
2) Add HE and TWT support to ath11k driver, from John Crispin.
3) Add ESP in TCP encapsulation support, from Sabrina Dubroca.
4) Add variable window congestion control to TIPC, from Jon Maloy.
5) Add BCM84881 PHY driver, from Russell King.
6) Start adding netlink support for ethtool operations, from Michal
Kubecek.
7) Add XDP drop and TX action support to ena driver, from Sameeh
Jubran.
8) Add new ipv4 route notifications so that mlxsw driver does not have
to handle identical routes itself. From Ido Schimmel.
9) Add BPF dynamic program extensions, from Alexei Starovoitov.
10) Support RX and TX timestamping in igc, from Vinicius Costa Gomes.
11) Add support for macsec HW offloading, from Antoine Tenart.
12) Add initial support for MPTCP protocol, from Christoph Paasch,
Matthieu Baerts, Florian Westphal, Peter Krystad, and many others.
13) Add Octeontx2 PF support, from Sunil Goutham, Geetha sowjanya, Linu
Cherian, and others.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1469 commits)
net: phy: add default ARCH_BCM_IPROC for MDIO_BCM_IPROC
udp: segment looped gso packets correctly
netem: change mailing list
qed: FW 8.42.2.0 debug features
qed: rt init valid initialization changed
qed: Debug feature: ilt and mdump
qed: FW 8.42.2.0 Add fw overlay feature
qed: FW 8.42.2.0 HSI changes
qed: FW 8.42.2.0 iscsi/fcoe changes
qed: Add abstraction for different hsi values per chip
qed: FW 8.42.2.0 Additional ll2 type
qed: Use dmae to write to widebus registers in fw_funcs
qed: FW 8.42.2.0 Parser offsets modified
qed: FW 8.42.2.0 Queue Manager changes
qed: FW 8.42.2.0 Expose new registers and change windows
qed: FW 8.42.2.0 Internal ram offsets modifications
MAINTAINERS: Add entry for Marvell OcteonTX2 Physical Function driver
Documentation: net: octeontx2: Add RVU HW and drivers overview
octeontx2-pf: ethtool RSS config support
octeontx2-pf: Add basic ethtool support
...
Pull crypto updates from Herbert Xu:
"API:
- Removed CRYPTO_TFM_RES flags
- Extended spawn grabbing to all algorithm types
- Moved hash descsize verification into API code
Algorithms:
- Fixed recursive pcrypt dead-lock
- Added new 32 and 64-bit generic versions of poly1305
- Added cryptogams implementation of x86/poly1305
Drivers:
- Added support for i.MX8M Mini in caam
- Added support for i.MX8M Nano in caam
- Added support for i.MX8M Plus in caam
- Added support for A33 variant of SS in sun4i-ss
- Added TEE support for Raven Ridge in ccp
- Added in-kernel API to submit TEE commands in ccp
- Added AMD-TEE driver
- Added support for BCM2711 in iproc-rng200
- Added support for AES256-GCM based ciphers for chtls
- Added aead support on SEC2 in hisilicon"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (244 commits)
crypto: arm/chacha - fix build failured when kernel mode NEON is disabled
crypto: caam - add support for i.MX8M Plus
crypto: x86/poly1305 - emit does base conversion itself
crypto: hisilicon - fix spelling mistake "disgest" -> "digest"
crypto: chacha20poly1305 - add back missing test vectors and test chunking
crypto: x86/poly1305 - fix .gitignore typo
tee: fix memory allocation failure checks on drv_data and amdtee
crypto: ccree - erase unneeded inline funcs
crypto: ccree - make cc_pm_put_suspend() void
crypto: ccree - split overloaded usage of irq field
crypto: ccree - fix PM race condition
crypto: ccree - fix FDE descriptor sequence
crypto: ccree - cc_do_send_request() is void func
crypto: ccree - fix pm wrongful error reporting
crypto: ccree - turn errors to debug msgs
crypto: ccree - fix AEAD decrypt auth fail
crypto: ccree - fix typo in comment
crypto: ccree - fix typos in error msgs
crypto: atmel-{aes,sha,tdes} - Retire crypto_platform_data
crypto: x86/sha - Eliminate casts on asm implementations
...
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Merge tag '5.6-smb3-fixes-and-dfs-and-readdir-improvements' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs updates from Steve French:
"Various SMB3/CIFS fixes including four for stable.
- Improvement to fallocate (enables 3 additional xfstests)
- Fix for file creation when mounting with modefromsid
- Add ability to backup/restore dos attributes and creation time
- DFS failover and reconnect fixes
- performance optimization for readir
Note that due to the upcoming SMB3 Test Event (at SNIA SDC next week)
there will likely be more changesets near the end of the merge window
(since we will be testing heavily next week, I held off on some
patches and I expect some additional multichannel patches as well as
patches to enable some additional xfstests)"
* tag '5.6-smb3-fixes-and-dfs-and-readdir-improvements' of git://git.samba.org/sfrench/cifs-2.6: (24 commits)
CIFS: Fix task struct use-after-free on reconnect
cifs: use PTR_ERR_OR_ZERO() to simplify code
cifs: add support for fallocate mode 0 for non-sparse files
cifs: fix NULL dereference in match_prepath
smb3: fix default permissions on new files when mounting with modefromsid
CIFS: Add support for setting owner info, dos attributes, and create time
cifs: remove set but not used variable 'server'
cifs: Fix memory allocation in __smb2_handle_cancelled_cmd()
cifs: Fix mount options set in automount
cifs: fix unitialized variable poential problem with network I/O cache lock patch
cifs: Fix return value in __update_cache_entry
cifs: Avoid doing network I/O while holding cache lock
cifs: Fix potential deadlock when updating vol in cifs_reconnect()
cifs: Merge is_path_valid() into get_normalized_path()
cifs: Introduce helpers for finding TCP connection
cifs: Get rid of kstrdup_const()'d paths
cifs: Clean up DFS referral cache
cifs: Don't use iov_iter::type directly
cifs: set correct max-buffer-size for smb2_ioctl_init()
cifs: use compounding for open and first query-dir for readdir()
...
- Optimize fs-verity sequential read performance by implementing
readahead of Merkle tree pages. This allows the Merkle tree to be
read in larger chunks.
- Optimize FS_IOC_ENABLE_VERITY performance in the uncached case by
implementing readahead of data pages.
- Allocate the hash requests from a mempool in order to eliminate the
possibility of allocation failures during I/O.
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fsverity updates from Eric Biggers:
- Optimize fs-verity sequential read performance by implementing
readahead of Merkle tree pages. This allows the Merkle tree to be
read in larger chunks.
- Optimize FS_IOC_ENABLE_VERITY performance in the uncached case by
implementing readahead of data pages.
- Allocate the hash requests from a mempool in order to eliminate the
possibility of allocation failures during I/O.
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fs-verity: use u64_to_user_ptr()
fs-verity: use mempool for hash requests
fs-verity: implement readahead of Merkle tree pages
fs-verity: implement readahead for FS_IOC_ENABLE_VERITY
- Extend the FS_IOC_ADD_ENCRYPTION_KEY ioctl to allow the raw key to be
provided via a keyring key.
- Prepare for the new dirhash method (SipHash of plaintext name) that
will be used by directories that are both encrypted and casefolded.
- Switch to a new format for "no-key names" that prepares for the new
dirhash method, and also fixes a longstanding bug where multiple
filenames could map to the same no-key name.
- Allow the crypto algorithms used by fscrypt to be built as loadable
modules when the fscrypt-capable filesystems are.
- Optimize fscrypt_zeroout_range().
- Various cleanups.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers:
- Extend the FS_IOC_ADD_ENCRYPTION_KEY ioctl to allow the raw key to be
provided via a keyring key.
- Prepare for the new dirhash method (SipHash of plaintext name) that
will be used by directories that are both encrypted and casefolded.
- Switch to a new format for "no-key names" that prepares for the new
dirhash method, and also fixes a longstanding bug where multiple
filenames could map to the same no-key name.
- Allow the crypto algorithms used by fscrypt to be built as loadable
modules when the fscrypt-capable filesystems are.
- Optimize fscrypt_zeroout_range().
- Various cleanups.
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: (26 commits)
fscrypt: improve format of no-key names
ubifs: allow both hash and disk name to be provided in no-key names
ubifs: don't trigger assertion on invalid no-key filename
fscrypt: clarify what is meant by a per-file key
fscrypt: derive dirhash key for casefolded directories
fscrypt: don't allow v1 policies with casefolding
fscrypt: add "fscrypt_" prefix to fname_encrypt()
fscrypt: don't print name of busy file when removing key
ubifs: use IS_ENCRYPTED() instead of ubifs_crypt_is_encrypted()
fscrypt: document gfp_flags for bounce page allocation
fscrypt: optimize fscrypt_zeroout_range()
fscrypt: remove redundant bi_status check
fscrypt: Allow modular crypto algorithms
fscrypt: include <linux/ioctl.h> in UAPI header
fscrypt: don't check for ENOKEY from fscrypt_get_encryption_info()
fscrypt: remove fscrypt_is_direct_key_policy()
fscrypt: move fscrypt_valid_enc_modes() to policy.c
fscrypt: check for appropriate use of DIRECT_KEY flag earlier
fscrypt: split up fscrypt_supported_policy() by policy version
fscrypt: introduce fscrypt_needs_contents_encryption()
...
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Merge tag 'fs-dedupe-last-block-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull fs deduplication fix from David Sterba:
"This is a fix for deduplication bug: the last block of two files is
allowed to deduplicated. This got broken in 5.1 by lifting some
generic checks to VFS layer. The affected filesystems are btrfs and
xfs.
The patches are marked for stable as the bug decreases deduplication
effectivity"
* tag 'fs-dedupe-last-block-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Btrfs: make deduplication with range including the last block work
fs: allow deduplication of eof block into the end of the destination file
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Merge tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"Features, highlights:
- async discard
- "mount -o discard=async" to enable it
- freed extents are not discarded immediatelly, but grouped
together and trimmed later, with IO rate limiting
- the "sync" mode submits short extents that could have been
ignored completely by the device, for SATA prior to 3.1 the
requests are unqueued and have a big impact on performance
- the actual discard IO requests have been moved out of
transaction commit to a worker thread, improving commit latency
- IO rate and request size can be tuned by sysfs files, for now
enabled only with CONFIG_BTRFS_DEBUG as we might need to
add/delete the files and don't have a stable-ish ABI for
general use, defaults are conservative
- export device state info in sysfs, eg. missing, writeable
- no discard of extents known to be untouched on disk (eg. after
reservation)
- device stats reset is logged with process name and PID that called
the ioctl
Fixes:
- fix missing hole after hole punching and fsync when using NO_HOLES
- writeback: range cyclic mode could miss some dirty pages and lead
to OOM
- two more corner cases for metadata_uuid change after power loss
during the change
- fix infinite loop during fsync after mix of rename operations
Core changes:
- qgroup assign returns ENOTCONN when quotas not enabled, used to
return EINVAL that was confusing
- device closing does not need to allocate memory anymore
- snapshot aware code got removed, disabled for years due to
performance problems, reimplmentation will allow to select wheter
defrag breaks or does not break COW on shared extents
- tree-checker:
- check leaf chunk item size, cross check against number of
stripes
- verify location keys for DIR_ITEM, DIR_INDEX and XATTR items
- new self test for physical -> logical mapping code, used for super
block range exclusion
- assertion helpers/macros updated to avoid objtool "unreachable
code" reports on older compilers or config option combinations"
* tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (84 commits)
btrfs: free block groups after free'ing fs trees
btrfs: Fix split-brain handling when changing FSID to metadata uuid
btrfs: Handle another split brain scenario with metadata uuid feature
btrfs: Factor out metadata_uuid code from find_fsid.
btrfs: Call find_fsid from find_fsid_inprogress
Btrfs: fix infinite loop during fsync after rename operations
btrfs: set trans->drity in btrfs_commit_transaction
btrfs: drop log root for dropped roots
btrfs: sysfs, add devid/dev_state kobject and device attributes
btrfs: Refactor btrfs_rmap_block to improve readability
btrfs: Add self-tests for btrfs_rmap_block
btrfs: selftests: Add support for dummy devices
btrfs: Move and unexport btrfs_rmap_block
btrfs: separate definition of assertion failure handlers
btrfs: device stats, log when stats are zeroed
btrfs: fix improper setting of scanned for range cyclic write cache pages
btrfs: safely advance counter when looking up bio csums
btrfs: remove unused member btrfs_device::work
btrfs: remove unnecessary wrapper get_alloc_profile
btrfs: add correction to handle -1 edge case in async discard
...
Run parse-maintainers.pl and choose X-POWERS AXP288 record. Fix it accordingly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Run parse-maintainers.pl and choose ACPICA record. Fix it accordingly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Run parse-maintainers.pl and choose ACPI records. Fix them accordingly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Processors have exceeded some of the fixed y-axis scale maximum values.
Change them to autoscale the y-axis.
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
