Introduce a driver for the Qualcomm interconnect busses found in
the MSM/APQ8998 SoCs.
The topology consists of several NoCs that are controlled by a
remote processor that collects the aggregated bandwidth for each
master-slave pairs.
On a note, these chips are managing the "bus QoS" in a "hybrid"
fashion: some of the paths in the topology are managed through
and by, of course) the RPM uC, while some others are "AP Owned",
meaning that the AP shall do direct writes to the appropriate
QoS registers for the specific paths and ports, instead of sending
an indication to the RPM and leaving the job to that one.
Co-authored-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
(JAMI: fixup for 5.17)
Document the new noise rejection properties "qcom,noise-reject-sda"
and "qcom,noise-reject-scl".
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Some I2C devices may be glitchy due to electrical noise coming
from the device itself or because of possible board design issues.
To overcome this issue, the QUP's I2C in Qualcomm SoCs supports
a noise rejection setting for both SCL and SDA lines.
Introduce a setting for noise rejection through device properties,
"qcom,noise-reject-sda" and "qcom,noise-reject-scl", which will
be used to set the level of noise rejection sensitivity.
If the properties are not specified, noise rejection will not be
enabled.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Add the SAW (SPM), CPR-Hardened, CPUFREQ-HW nodes and relative OPP
tables (and also assign them to the CPU nodes, as required) in order
to enable CPU scaling on the MSM8998 SoC.
The CPR-Hardened and CPUFREQ-HW nodes are disabled by default as to
not change the previous default behavior. Since the drivers are not
yet accounting for speed-binning, these OPPs are referred to the
most common binning for this chip, which I have found on six phones
from Sony and one from FxTec (silver bin0, perf bin2).
At least until speed-binning gets done in the cpufreq-hw and CPR
drivers, users should enable CPR-Hardened and CPUFREQ in their own
board DT.
This is done like that because these drivers are really big, so the
idea is to keep the "base" version easier (but perfectly working),
before adding speed-binning "complications", which may... or may not
be necessary.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
[Fixed up for 5.18 & 6.0-rc2 by Jami]
Wire up the interconnects to both the MDP and the Adreno GPU in
order to get the right balance between performance and power
consumption of both devices.
Wire up the OPP table and interconnects to the SDHCI port 2 to
improve performance and power consumption.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
This SoC features Network-on-Chip (NoC) and Bus Integrated Memory
Controller (BIMC) interconnects: add the required nodes now that
the driver is present.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
This SoC supports both the MDP5 and DPU1 drivers, but the
latter was chosen as it's more feature-complete;
Configure the DPU1, DSI and related phy and pll in order to
achieve display functionality and keep it disabled.
Enabling it will be done on board specific DT when needed,
as not all boards have a usable display attached to them.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Add the bindings for the CPR3 driver to the documentation.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Rob Herring <robh@kernel.org>
This commit introduces a new driver, based on the one for cpr v1,
to enable support for the newer Qualcomm Core Power Reduction
hardware, known downstream as CPR3, CPR4 and CPRh, and support
for MSM8998 and SDM630 CPU power reduction.
In these new versions of the hardware, support for various new
features was introduced, including voltage reduction for the GPU,
security hardening and a new way of controlling CPU DVFS,
consisting in internal communication between microcontrollers,
specifically the CPR-Hardened and the Operating State Manager.
The CPR v3, v4 and CPRh are present in a broad range of SoCs,
from the mid-range to the high end ones including, but not limited
to, MSM8953/8996/8998, SDM630/636/660/845.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
The CPR driver's common functions were split and put in another
file in order to support newer CPR revisions: to simplify the
commonization, the expected names of the fuses had to be changed
in order for both new and old support to use the same fuse name
retrieval function and keeping the naming consistent.
The thread id was added to the fuse name and, since CPRv1 does
not support threads, it is expected to always read ID 0, which
means that the expected name here is now "cpr0_(fuse_name)"
instead of "cpr_(fuse_name)": luckily, QCS404 is the only user
so change it accordingly.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
In preparation for implementing a new driver that will be handling
CPRv3, CPRv4 and CPR-Hardened, format out common functions to a new
file.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
(JAMI: fixup for 5.15 & 5.17)
The property reg-names is required after the addition of the OSM
programming sequence, as that mandates specifying different register
domains; to avoid confusion and improve devicetree readability,
specifying the regions names was made mandatory.
The OSM programming addition has been done under the
qcom,cpufreq-hw-8998 compatible name: specify the requirement
of two additional register spaces for this functionality.
This implementation, with the same compatible, has been
tested on MSM8998 and SDM630.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
[Fixed up for 5.18 by Jami]
In order to fine-tune the frequency scaling from various governors,
allow to set a maximum transition latency from OPPs, which may be
different depending on the SoC.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
[Fixup for 5.18 by Jami]
On new SoCs (SDM845 onwards) the Operating State Manager (OSM) is
being programmed in the bootloader and write-protected by the
hypervisor, leaving to the OS read-only access to some of its
registers (in order to read the Lookup Tables and also some
status registers) and write access to the p-state register, for
for the OS to request a specific performance state to trigger a
DVFS switch on the CPU through the OSM hardware.
On old SoCs though (MSM8998, SDM630/660 and variants), the
bootloader will *not* initialize the OSM (and the CPRh, as it
is a requirement for it) before booting the OS, making any
request to trigger a performance state change ineffective, as
the hardware doesn't have any Lookup Table, nor is storing any
parameter to trigger a DVFS switch. In this case, basically all
of the OSM registers are *not* write protected for the OS, even
though some are - but write access is granted through SCM calls.
This commit introduces support for OSM programming, which has to
be done on these old SoCs that were distributed (almost?) always
with a bootloader that does not do any CPRh nor OSM init before
booting the kernel.
In order to program the OSM on these SoCs, it is necessary to
fullfill a "special" requirement: the Core Power Reduction
Hardened (CPRh) hardware block must be initialized, as the OSM
is "talking" to it in order to perform the Voltage part of DVFS;
here, we are calling initialization of this through Linux generic
power domains, specifically by requesting a genpd attach from the
qcom-cpufreq-hw driver, which will give back voltages associated
to each CPU frequency that has been declared in the OPPs, scaled
and interpolated with the previous one, and will also give us
parameters for the Array Power Mux (APM) and mem-acc, in order
for this driver to be then able to generate the Lookup Tables
that will be finally programmed to the OSM hardware.
After writing the parameters to the OSM and enabling it, all the
programming work will never happen anymore until a OS reboot, so
all of the allocations and "the rest" will be disposed-of: this
is done mainly to leave the code that was referred only to the
new SoCs intact, as to also emphasize on the fact that the OSM
HW is, in the end, the exact same; apart some register offsets
that are slightly different, the entire logic is the same.
This also adds the parameters to support CPU scaling on SDM630
and MSM8998.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
[Fixup for 5.18 & 6.0-rc1 by Jami]
Some functions may not be very straightforward to understand:
add kerneldoc to some ones in order to improve readability.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Add devicetree documentation for 'qcom,freq-domain' property specific
to Qualcomm CPUs. This property is used to reference the CPUFREQ node
along with Domain ID (0/1).
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Add the MSM8998 to the blocklist since the CPU scaling is handled
out of this.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Avoid modifying the contents of the secure Auxiliary Control Register
on some Qualcomm SoCs: due to a hypervisor configuration on some
firmware versions, this would result in a system crash.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Some Qualcomm SoCs' TZ/hypervisor configuration is disallowing the
disablement of some context banks, being them used for tzapps and/or
remote processors; any attempt to disable such CBs will result in
triggering a fault and the system will freeze and/or reset.
For this reason, get a list of context banks that should never get
disabled during smmu initialization through a DT array property
`qcom,reset-nodisable-cbs`.
It was chosen to not hardcode the CBs as this is dependant on the
SoC's firmware, which may vary on different boards.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
(JAMI: fixup for v6.0-rc1)
On some SoCs some IOMMU context banks are actively used from TZ
during system boot, or some hypervisor configurations will trigger
a system reset upon disabling some protected/secured CBs.
Allow skipping the disablement of such contexts at IOMMU reset time
during initialization with a new implementation detail to work around
this quirk.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
It cannot be taken for granted that the last IOMMU context is free
and available for us to use it to emulate bypass streams and, at least
on MSM8998's lpass iommu, using the last one will produce a crash;
please note that this may not be only dependant on the SoC, but also
on the firmware version.
To overcome to this issue, allow specifying a different context for
bypass emulation with the optional DT property "qcom,bypass-cbndx":
if this property is not found this means that we are either booting
with ACPI instead or that we don't want to specify a custom cb because
the default one (the last context bank) is fine.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
(JAMI: fixup for v6.0-rc1)
`last_repeat` holds the actual value requested by the user whereas
`repeat` is a software iteration variable that is unused in hardware
patterns.
Furthermore `last_repeat` is the field returned to the user when reading
the `repeat` sysfs property. This field is initialized to `-1` which is
- together with `1` - the only valid value in the upcoming Qualcomm LPG
driver. It is thus unexpected when `repeat` with an initialization
value of `0` is passed into the the driver, when the sysfs property
clearly presents a value of `-1`.
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
A use-after-free bugfix in the smscufx driver and various minor
error path fixes, smaller build fixes, sysfs fixes and
typos in comments in the stifb, sisfb, da8xxfb, xilinxfb, sm501fb,
gbefb and cyber2000fb drivers.
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Merge tag 'fbdev-for-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev fixes from Helge Deller:
"A use-after-free bugfix in the smscufx driver and various minor error
path fixes, smaller build fixes, sysfs fixes and typos in comments in
the stifb, sisfb, da8xxfb, xilinxfb, sm501fb, gbefb and cyber2000fb
drivers"
* tag 'fbdev-for-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: cyber2000fb: fix missing pci_disable_device()
fbdev: sisfb: use explicitly signed char
fbdev: smscufx: Fix several use-after-free bugs
fbdev: xilinxfb: Make xilinxfb_release() return void
fbdev: sisfb: fix repeated word in comment
fbdev: gbefb: Convert sysfs snprintf to sysfs_emit
fbdev: sm501fb: Convert sysfs snprintf to sysfs_emit
fbdev: stifb: Fall back to cfb_fillrect() on 32-bit HCRX cards
fbdev: da8xx-fb: Fix error handling in .remove()
fbdev: MIPS supports iomem addresses
Here are some small driver fixes for 6.1-rc3. They include:
- iio driver bugfixes
- counter driver bugfixes
- coresight bugfixes, including a revert and then a second
fix to get it right.
All of these have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Some small driver fixes for 6.1-rc3. They include:
- iio driver bugfixes
- counter driver bugfixes
- coresight bugfixes, including a revert and then a second fix to get
it right.
All of these have been in linux-next with no reported problems"
* tag 'char-misc-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
misc: sgi-gru: use explicitly signed char
coresight: cti: Fix hang in cti_disable_hw()
Revert "coresight: cti: Fix hang in cti_disable_hw()"
counter: 104-quad-8: Fix race getting function mode and direction
counter: microchip-tcb-capture: Handle Signal1 read and Synapse
coresight: cti: Fix hang in cti_disable_hw()
coresight: Fix possible deadlock with lock dependency
counter: ti-ecap-capture: fix IS_ERR() vs NULL check
counter: Reduce DEFINE_COUNTER_ARRAY_POLARITY() to defining counter_array
iio: bmc150-accel-core: Fix unsafe buffer attributes
iio: adxl367: Fix unsafe buffer attributes
iio: adxl372: Fix unsafe buffer attributes
iio: at91-sama5d2_adc: Fix unsafe buffer attributes
iio: temperature: ltc2983: allocate iio channels once
tools: iio: iio_utils: fix digit calculation
iio: adc: stm32-adc: fix channel sampling time init
iio: adc: mcp3911: mask out device ID in debug prints
iio: adc: mcp3911: use correct id bits
iio: adc: mcp3911: return proper error code on failure to allocate trigger
iio: adc: mcp3911: fix sizeof() vs ARRAY_SIZE() bug
...
Here are a few small USB fixes for 6.1-rc3. Include in here are:
- MAINTAINERS update, including a big one for the USB gadget
subsystem. Many thanks to Felipe for all of the years of hard
work he has done on this codebase, it was greatly appreciated.
- dwc3 driver fixes for reported problems.
- xhci driver fixes for reported problems.
- typec driver fixes for minor issues
- uvc gadget driver change, and then revert as it wasn't
relevant for 6.1-final, as it is a new feature and people are
still reviewing and modifying it.
All of these have been in the linux-next tree with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"A few small USB fixes for 6.1-rc3. Include in here are:
- MAINTAINERS update, including a big one for the USB gadget
subsystem. Many thanks to Felipe for all of the years of hard work
he has done on this codebase, it was greatly appreciated.
- dwc3 driver fixes for reported problems.
- xhci driver fixes for reported problems.
- typec driver fixes for minor issues
- uvc gadget driver change, and then revert as it wasn't relevant for
6.1-final, as it is a new feature and people are still reviewing
and modifying it.
All of these have been in the linux-next tree with no reported issues"
* tag 'usb-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: dwc3: gadget: Don't set IMI for no_interrupt
usb: dwc3: gadget: Stop processing more requests on IMI
Revert "usb: gadget: uvc: limit isoc_sg to super speed gadgets"
xhci: Remove device endpoints from bandwidth list when freeing the device
xhci-pci: Set runtime PM as default policy on all xHC 1.2 or later devices
xhci: Add quirk to reset host back to default state at shutdown
usb: xhci: add XHCI_SPURIOUS_SUCCESS to ASM1042 despite being a V0.96 controller
usb: dwc3: st: Rely on child's compatible instead of name
usb: gadget: uvc: limit isoc_sg to super speed gadgets
usb: bdc: change state when port disconnected
usb: typec: ucsi: acpi: Implement resume callback
usb: typec: ucsi: Check the connection on resume
usb: gadget: aspeed: Fix probe regression
usb: gadget: uvc: fix sg handling during video encode
usb: gadget: uvc: fix sg handling in error case
usb: gadget: uvc: fix dropped frame after missed isoc
usb: dwc3: gadget: Don't delay End Transfer on delayed_status
usb: dwc3: Don't switch OTG -> peripheral if extcon is present
MAINTAINERS: Update maintainers for broadcom USB
MAINTAINERS: move USB gadget and phy entries under the main USB entry
- convert gpio-tegra to using an immutable irqchip
- MAINTAINERS update
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Merge tag 'gpio-fixes-for-v6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- convert gpio-tegra to using an immutable irqchip
- MAINTAINERS update
* tag 'gpio-fixes-for-v6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
MAINTAINERS: Change myself to a maintainer
gpio: tegra: Convert to immutable irq chip
- Add Alder and Raptor Lakes support to RAPL
- Make sure raw sample data is output with tracepoints
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Merge tag 'perf_urgent_for_v6.1_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Rename a perf memory level event define to denote it is of CXL type
- Add Alder and Raptor Lakes support to RAPL
- Make sure raw sample data is output with tracepoints
* tag 'perf_urgent_for_v6.1_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/mem: Rename PERF_MEM_LVLNUM_EXTN_MEM to PERF_MEM_LVLNUM_CXL
perf/x86/rapl: Add support for Intel Raptor Lake
perf/x86/rapl: Add support for Intel AlderLake-N
perf: Fix missing raw data on tracepoint events
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Merge tag '6.1-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
- use after free fix for reconnect race
- two memory leak fixes
* tag '6.1-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix use-after-free caused by invalid pointer `hostname`
cifs: Fix pages leak when writedata alloc failed in cifs_write_from_iter()
cifs: Fix pages array leak when writedata alloc failed in cifs_writedata_alloc()
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Merge tag 'random-6.1-rc3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fix from Jason Donenfeld:
"One fix from Jean-Philippe Brucker, addressing a regression in which
early boot code on ARM64 would use the non-_early variant of the
arch_get_random family of functions, resulting in the architectural
random number generator appearing unavailable during that early phase
of boot.
The fix simply changes arch_get_random*() to arch_get_random*_early().
This distinction between these two functions is a bit of an old wart
I'm not a fan of, and for 6.2 I'll see if I can make obsolete the
_early variant, so that one function does the right thing in all
contexts without overhead"
* tag 'random-6.1-rc3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
random: use arch_get_random*_early() in random_init()
21 small fixes, all in drivers. Some of these arrived during the
merge window and got held over to make sure of testing on the -rc
tree. The biggest change is for Standards conformance in the target
driver, closely followed by a set of bug fixes in megaraid_sas.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Varions small fixes, all in drivers.
Some of these arrived during the merge window and got held over to
make sure of testing on the -rc tree.
The biggest change is for standards conformance in the target driver,
closely followed by a set of bug fixes in megaraid_sas"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (21 commits)
scsi: ufs: core: Fix typo in comment
scsi: mpi3mr: Select CONFIG_SCSI_SAS_ATTRS
scsi: ufs: core: Fix typo for register name in comments
scsi: pm80xx: Display proc_name in sysfs
scsi: ufs: core: Fix the error log in ufshcd_query_flag_retry()
scsi: ufs: core: Remove unneeded casts from void *
scsi: lpfc: Fix spelling mistake "unsolicted" -> "unsolicited"
scsi: qla2xxx: Use transport-defined speed mask for supported_speeds
scsi: target: iblock: Fold iblock_emulate_read_cap_with_block_size() into iblock_get_blocks()
scsi: qla2xxx: Fix serialization of DCBX TLV data request
scsi: ufs: qcom: Remove redundant dev_err() call
scsi: megaraid_sas: Move megasas_dbg_lvl init to megasas_init()
scsi: megaraid_sas: Remove unnecessary memset()
scsi: megaraid_sas: Simplify megasas_update_device_list
scsi: megaraid_sas: Correct an error message
scsi: megaraid_sas: Correct value passed to scsi_device_lookup()
scsi: target: core: UA on all LUNs after reset
scsi: target: core: New key must be used for moved PR
scsi: target: core: Abort all preempted regs if requested
scsi: target: core: Fix memory leak in preempt_and_abort
...
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Merge tag 'block-6.1-2022-10-28' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- make the multipath dma alignment match the non-multipath one
(Keith Busch)
- fix a bogus use of sg_init_marker() (Nam Cao)
- fix circulr locking in nvme-tcp (Sagi Grimberg)
- Initialization fix for requests allocated via the special hw queue
allocator (John)
- Fix for a regression added in this release with the batched
completions of end_io backed requests (Ming)
- Error handling leak fix for rbd (Yang)
- Error handling leak fix for add_disk() failure (Yu)
* tag 'block-6.1-2022-10-28' of git://git.kernel.dk/linux:
blk-mq: Properly init requests from blk_mq_alloc_request_hctx()
blk-mq: don't add non-pt request with ->end_io to batch
rbd: fix possible memory leak in rbd_sysfs_init()
nvme-multipath: set queue dma alignment to 3
nvme-tcp: fix possible circular locking when deleting a controller under memory pressure
nvme-tcp: replace sg_init_marker() with sg_init_table()
block: fix memory leak for elevator on add_disk failure
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Merge tag 'io_uring-6.1-2022-10-28' of git://git.kernel.dk/linux
Pull io_uring fix from Jens Axboe:
"Just a fix for a locking regression introduced with the deferred
task_work running from this merge window"
* tag 'io_uring-6.1-2022-10-28' of git://git.kernel.dk/linux:
io_uring: unlock if __io_run_local_work locked inside
io_uring: use io_run_local_work_locked helper
Eight fix pre-6.0 bugs and the remainder address issues which were
introduced in the 6.1-rc merge cycle, or address issues which aren't
considered sufficiently serious to warrant a -stable backport.
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Merge tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"Eight fix pre-6.0 bugs and the remainder address issues which were
introduced in the 6.1-rc merge cycle, or address issues which aren't
considered sufficiently serious to warrant a -stable backport"
* tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (23 commits)
mm: multi-gen LRU: move lru_gen_add_mm() out of IRQ-off region
lib: maple_tree: remove unneeded initialization in mtree_range_walk()
mmap: fix remap_file_pages() regression
mm/shmem: ensure proper fallback if page faults
mm/userfaultfd: replace kmap/kmap_atomic() with kmap_local_page()
x86: fortify: kmsan: fix KMSAN fortify builds
x86: asm: make sure __put_user_size() evaluates pointer once
Kconfig.debug: disable CONFIG_FRAME_WARN for KMSAN by default
x86/purgatory: disable KMSAN instrumentation
mm: kmsan: export kmsan_copy_page_meta()
mm: migrate: fix return value if all subpages of THPs are migrated successfully
mm/uffd: fix vma check on userfault for wp
mm: prep_compound_tail() clear page->private
mm,madvise,hugetlb: fix unexpected data loss with MADV_DONTNEED on hugetlbfs
mm/page_isolation: fix clang deadcode warning
fs/ext4/super.c: remove unused `deprecated_msg'
ipc/msg.c: fix percpu_counter use after free
memory tier, sysfs: rename attribute "nodes" to "nodelist"
MAINTAINERS: git://github.com -> https://github.com for nilfs2
mm/kmemleak: prevent soft lockup in kmemleak_scan()'s object iteration loops
...
- Fix a case of rescheduling with user access unlocked, when preempt is enabled.
- A follow-up fix for a recent fix, which could lead to IRQ state assertions firing
incorrectly.
- Two fixes for lockdep warnings seen when using kfence with the Hash MMU.
- Two fixes for preempt warnings seen when using the Hash MMU.
- Two fixes for the VAS coprocessor mechanism used on pseries.
- Prevent building some of our older KVM backends when CONTEXT_TRACKING_USER is enabled,
as it's known to cause crashes.
- A couple of fixes for issues seen with PMU NMIs.
Thanks to: Nicholas Piggin, Guenter Roeck, Frederic Barrat Haren Myneni, Sachin Sant,
Samuel Holland.
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Merge tag 'powerpc-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a case of rescheduling with user access unlocked, when preempt is
enabled.
- A follow-up fix for a recent fix, which could lead to IRQ state
assertions firing incorrectly.
- Two fixes for lockdep warnings seen when using kfence with the Hash
MMU.
- Two fixes for preempt warnings seen when using the Hash MMU.
- Two fixes for the VAS coprocessor mechanism used on pseries.
- Prevent building some of our older KVM backends when
CONTEXT_TRACKING_USER is enabled, as it's known to cause crashes.
- A couple of fixes for issues seen with PMU NMIs.
Thanks to Nicholas Piggin, Guenter Roeck, Frederic Barrat Haren Myneni,
Sachin Sant, and Samuel Holland.
* tag 'powerpc-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s/interrupt: Fix clear of PACA_IRQS_HARD_DIS when returning to soft-masked context
powerpc/64s/interrupt: Perf NMI should not take normal exit path
powerpc/64/interrupt: Prevent NMI PMI causing a dangerous warning
KVM: PPC: BookS PR-KVM and BookE do not support context tracking
powerpc: Fix reschedule bug in KUAP-unlocked user copy
powerpc/64s: Fix hash__change_memory_range preemption warning
powerpc/64s: Disable preemption in hash lazy mmu mode
powerpc/64s: make linear_map_hash_lock a raw spinlock
powerpc/64s: make HPTE lock and native_tlbie_lock irq-safe
powerpc/64s: Add lockdep for HPTE lock
powerpc/pseries: Use lparcfg to reconfig VAS windows for DLPAR CPU
powerpc/pseries/vas: Add VAS IRQ primary handler
Currently the return value of 'sub_driver->init' is not checked. If
sparse_keymap_setup() called in the init function fails, 'generic_
inputdev' is freed, then it will lead a UAF when using it in generic_
acpi_laptop_init(). Fix it by checking the return value and setting
generic_inputdev to NULL after free, so as to avoid double free it.
The error code in generic_subdriver_init() is always negative, so the
return of generic_subdriver_init() can be simplified.
Fixes: 6246ed0911 ("LoongArch: Add ACPI-based generic laptop driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Some laptops don't support SW_LID, but still have backlight control,
move backlight resuming before SW_LID event handling so as to avoid
backlight mistake due to early return.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Not all compilers support declare variables in switch-case, so move
declarations to the beginning of a function. Otherwise we may get such
build errors:
arch/loongarch/net/bpf_jit.c: In function ‘emit_atomic’:
arch/loongarch/net/bpf_jit.c:362:3: error: a label can only be part of a statement and a declaration is not a statement
u8 r0 = regmap[BPF_REG_0];
^~
arch/loongarch/net/bpf_jit.c: In function ‘build_insn’:
arch/loongarch/net/bpf_jit.c:727:3: error: a label can only be part of a statement and a declaration is not a statement
u8 t7 = -1;
^~
arch/loongarch/net/bpf_jit.c:778:3: error: a label can only be part of a statement and a declaration is not a statement
int ret;
^~~
arch/loongarch/net/bpf_jit.c:779:3: error: expected expression before ‘u64’
u64 func_addr;
^~~
arch/loongarch/net/bpf_jit.c:780:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
bool func_addr_fixed;
^~~~
arch/loongarch/net/bpf_jit.c:784:11: error: ‘func_addr’ undeclared (first use in this function); did you mean ‘in_addr’?
&func_addr, &func_addr_fixed);
^~~~~~~~~
in_addr
arch/loongarch/net/bpf_jit.c:784:11: note: each undeclared identifier is reported only once for each function it appears in
arch/loongarch/net/bpf_jit.c:814:3: error: a label can only be part of a statement and a declaration is not a statement
u64 imm64 = (u64)(insn + 1)->imm << 32 | (u32)insn->imm;
^~~
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Eliminate the following coccicheck warning:
./arch/loongarch/include/asm/ptrace.h:32:15-21: WARNING use flexible-array member instead
Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Yushan Zhou <katrinzhou@tencent.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
The current LoongArch kernel stack is padded as if obeying the MIPS o32
calling convention (32 bytes), signifying the port's MIPS lineage but no
longer making sense. Remove the padding for clarity.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
* A fix for a build warning in the jump_label code.
* One of the git://github -> https://github cleanups, for the SiFive
drivers.
* A fix for the kasan initialization code, this still likely warrants
some cleanups but that's a bigger problem and at least this fixes the
crashes in the short term.
* A pair of fixes for extension support detection on mixed LLVM/GNU
toolchains.
* A fix for a runtime warning in the /proc/cpuinfo code.
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Merge tag 'riscv-for-linus-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for a build warning in the jump_label code
- One of the git://github -> https://github cleanups, for the SiFive
drivers
- A fix for the kasan initialization code, this still likely warrants
some cleanups but that's a bigger problem and at least this fixes the
crashes in the short term
- A pair of fixes for extension support detection on mixed LLVM/GNU
toolchains
- A fix for a runtime warning in the /proc/cpuinfo code
* tag 'riscv-for-linus-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: Fix /proc/cpuinfo cpumask warning
riscv: fix detection of toolchain Zihintpause support
riscv: fix detection of toolchain Zicbom support
riscv: mm: add missing memcpy in kasan_init
MAINTAINERS: git://github.com -> https://github.com for sifive
riscv: jump_label: mark arguments as const to satisfy asm constraints
