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In order to improve driver security debuggability, we add
security violations dump to debugfs.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Fix minor typos and grammatical issues.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Sleeping bio allocations do not fail, which means that injecting an error
into sleeping bio allocations is a little silly.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Perfmon-v4 counter freezing is fundamentally broken; remove this default
disabled code to make sure nobody uses it.
The feature is called Freeze-on-PMI in the SDM, and if it would do that,
there wouldn't actually be a problem, *however* it does something subtly
different. It globally disables the whole PMU when it raises the PMI,
not when the PMI hits.
This means there's a window between the PMI getting raised and the PMI
actually getting served where we loose events and this violates the
perf counter independence. That is, a counting event should not result
in a different event count when there is a sampling event co-scheduled.
This is known to break existing software (RR).
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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Commit 1b5071af8240 ("media: dt-bindings: media: i2c: Rename
ov5647.yaml") renamed the bindings file but did not update the
Id: field there.
Fix it by using the new filename.
Fixes: 1b5071af8240 ("media: dt-bindings: media: i2c: Rename ov5647.yaml")
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add SM8350 compatible to the qcom_aoss binding and driver.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210127123054.263231-3-vkoul@kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add the autorescan sysfs in order to enable/disable the DPRC IRQs on
which automatic rescan of the bus is performed. This is important when
dynamic creation of objects is needed to happen in a timely manner because
object creation can be bundled together.
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20210114170752.2927915-6-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Introduce the rescan attribute as a bus attribute to
synchronize the fsl-mc bus objects and the MC firmware.
To rescan the fsl-mc bus, e.g.,
echo 1 > /sys/bus/fsl-mc/rescan
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20210114170752.2927915-5-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adding userspace support for the MC (Management Complex) means exporting
an ioctl capable device file representing the root resource container.
This new functionality in the fsl-mc bus driver intends to provide
userspace applications an interface to interact with the MC firmware.
Commands that are composed in userspace are sent to the MC firmware
through the FSL_MC_SEND_MC_COMMAND ioctl. By default the implicit MC
I/O portal is used for this operation, but if the implicit one is busy,
a dynamic portal is allocated and then freed upon execution.
The command received through the ioctl interface is checked against a
known whitelist of accepted MC commands. Commands that attempt a change
in hardware configuration will need CAP_NET_ADMIN, while commands used
in debugging do not need it.
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20210114170752.2927915-4-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Current link died, according to Wayback Machine, back in 2017. And the
website is completely down since 2019. Moreover, there was a custom
cover on that PDF, i.e. it was modified.
According to HDMI licence agreement (LA), HDMI specification and technical
information are supposed to be hosted on www.hdmi.org exclusively, and not
redistributed by third-parties.
Sure, there are still many more or less reliable "mirrors" out there with
a direct download straight from a search engine's page. However, for
example, from FPGA4fun[1] website it was removed "per HDMI LA request".
Unfortunately, the official download page is protected by email CAPTCHA,
but that seems to be the only legit way to obtain a copy.
[1] https://www.fpga4fun.com/HDMI.html
Signed-off-by: ivan tkachenko <me@ratijas.tk>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Suggested by Paolo & Greg, add 'events' device attribute that can be
used to limit which capabilities the driver uses.
Finally, the pvpanic guest driver works by the limitation of both
device capability and user setting.
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Link: https://lore.kernel.org/r/20210110115358.79100-3-pizhenwei@bytedance.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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According to pvpanic spec:
https://git.qemu.org/?p=qemu.git;a=blob_plain;f=docs/specs/pvpanic.txt
The guest should determine pvpanic capability by RDPT, so initialize
capability during device probing. There is no need to register panic
notifier callback function if no events supported.
Before sending event to host side, check capability firstly.
Suggested by Greg KH, use sysfs to expose capability to user space,
also add new sysfs attribute in document.
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Link: https://lore.kernel.org/r/20210110115358.79100-2-pizhenwei@bytedance.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Intel Moorestown and Medfield are quite old Intel Atom based
32-bit platforms, which were in limited use in some Android phones,
tablets and consumer electronics more than eight years ago.
There are no bugs or problems ever reported outside from Intel
for breaking any of that platforms for years. It seems no real
users exists who run more or less fresh kernel on it. The commit
05f4434bc130 ("ASoC: Intel: remove mfld_machine") also in align
with this theory.
Due to above and to reduce a burden of supporting outdated drivers
we remove the support of outdated platforms completely.
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210122114358.39299-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This documents how to use speakup_setlocale to set the speakup messages
language.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Link: https://lore.kernel.org/r/20210126222147.3848175-5-samuel.thibault@ens-lyon.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Qualcomm SDX55 platform has several bus fabrics that could be
controlled and tuned dynamically over RPMh according to the bandwidth
demand.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210121053254.8355-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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The UFS core has received a substantial rework this cycle. This in
turn has caused a merge conflict in linux-next. Merge 5.11/scsi-fixes
into 5.12/scsi-queue and resolve the conflict.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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For IPv4, default route is learned via DHCPv4 and user is allowed to change
metric using config etc/network/interfaces. But for IPv6, default route can
be learned via RA, for which, currently a fixed metric value 1024 is used.
Ideally, user should be able to configure metric on default route for IPv6
similar to IPv4. This patch adds sysctl for the same.
Logs:
For IPv4:
Config in etc/network/interfaces:
auto eth0
iface eth0 inet dhcp
metric 4261413864
IPv4 Kernel Route Table:
$ ip route list
default via 172.21.47.1 dev eth0 metric 4261413864
FRR Table, if a static route is configured:
[In real scenario, it is useful to prefer BGP learned default route over DHCPv4 default route.]
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, P - PIM, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
> - selected route, * - FIB route
S>* 0.0.0.0/0 [20/0] is directly connected, eth0, 00:00:03
K 0.0.0.0/0 [254/1000] via 172.21.47.1, eth0, 6d08h51m
i.e. User can prefer Default Router learned via Routing Protocol in IPv4.
Similar behavior is not possible for IPv6, without this fix.
After fix [for IPv6]:
sudo sysctl -w net.ipv6.conf.eth0.net.ipv6.conf.eth0.ra_defrtr_metric=1996489705
IP monitor: [When IPv6 RA is received]
default via fe80::xx16:xxxx:feb3:ce8e dev eth0 proto ra metric 1996489705 pref high
Kernel IPv6 routing table
$ ip -6 route list
default via fe80::be16:65ff:feb3:ce8e dev eth0 proto ra metric 1996489705 expires 21sec hoplimit 64 pref high
FRR Table, if a static route is configured:
[In real scenario, it is useful to prefer BGP learned default route over IPv6 RA default route.]
Codes: K - kernel route, C - connected, S - static, R - RIPng,
O - OSPFv3, I - IS-IS, B - BGP, N - NHRP, T - Table,
v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
> - selected route, * - FIB route
S>* ::/0 [20/0] is directly connected, eth0, 00:00:06
K ::/0 [119/1001] via fe80::xx16:xxxx:feb3:ce8e, eth0, 6d07h43m
If the metric is changed later, the effect will be seen only when next IPv6
RA is received, because the default route must be fully controlled by RA msg.
Below metric is changed from 1996489705 to 1996489704.
$ sudo sysctl -w net.ipv6.conf.eth0.ra_defrtr_metric=1996489704
net.ipv6.conf.eth0.ra_defrtr_metric = 1996489704
IP monitor:
[On next IPv6 RA msg, Kernel deletes prev route and installs new route with updated metric]
Deleted default via fe80::xx16:xxxx:feb3:ce8e dev eth0 proto ra metric 1996489705 expires 3sec hoplimit 64 pref high
default via fe80::xx16:xxxx:feb3:ce8e dev eth0 proto ra metric 1996489704 pref high
Signed-off-by: Praveen Chaudhary <pchaudhary@linkedin.com>
Signed-off-by: Zhenggen Xu <zxu@linkedin.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20210125214430.24079-1-pchaudhary@linkedin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The integrity of a kernel can be verified by the boot loader on cold
boot, and during kexec, by the current running kernel, before it is
loaded. However, it is still possible that the new kernel being
loaded is older than the current kernel, and/or has known
vulnerabilities. Therefore, it is imperative that an attestation
service be able to verify the version of the kernel being loaded on
the client, from cold boot and subsequent kexec system calls,
ensuring that only kernels with versions known to be good are loaded.
Measure the kernel version using ima_measure_critical_data() early on
in the boot sequence, reducing the chances of known kernel
vulnerabilities being exploited. With IMA being part of the kernel,
this overall approach makes the measurement itself more trustworthy.
To enable measuring the kernel version "ima_policy=critical_data"
needs to be added to the kernel command line arguments.
For example,
BOOT_IMAGE=/boot/vmlinuz-5.11.0-rc3+ root=UUID=fd643309-a5d2-4ed3-b10d-3c579a5fab2f ro nomodeset ima_policy=critical_data
If runtime measurement of the kernel version is ever needed, the
following should be added to /etc/ima/ima-policy:
measure func=CRITICAL_DATA label=kernel_info
To extract the measured data after boot, the following command can be used:
grep -m 1 "kernel_version" \
/sys/kernel/security/integrity/ima/ascii_runtime_measurements
Sample output from the command above:
10 a8297d408e9d5155728b619761d0dd4cedf5ef5f ima-buf
sha256:5660e19945be0119bc19cbbf8d9c33a09935ab5d30dad48aa11f879c67d70988
kernel_version 352e31312e302d7263332d31363138372d676564623634666537383234342d6469727479
The above hex-ascii string corresponds to the kernel version
(e.g. xxd -r -p):
5.11.0-rc3-16187-gedb64fe78244-dirty
Signed-off-by: Raphael Gianotti <raphgi@linux.microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
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Pull kvm fixes from Paolo Bonzini:
- x86 bugfixes
- Documentation fixes
- Avoid performance regression due to SEV-ES patches
- ARM:
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest mode for VMX
KVM: x86: Revert "KVM: x86: Mark GPRs dirty when written"
KVM: SVM: Unconditionally sync GPRs to GHCB on VMRUN of SEV-ES guest
KVM: nVMX: Sync unsync'd vmcs02 state to vmcs12 on migration
kvm: tracing: Fix unmatched kvm_entry and kvm_exit events
KVM: Documentation: Update description of KVM_{GET,CLEAR}_DIRTY_LOG
KVM: x86: get smi pending status correctly
KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[]
KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh()
KVM: x86: Add more protection against undefined behavior in rsvd_bits()
KVM: Documentation: Fix spec for KVM_CAP_ENABLE_CAP_VM
KVM: Forbid the use of tagged userspace addresses for memslots
KVM: arm64: Filter out v8.1+ events on v8.0 HW
KVM: arm64: Compute TPIDR_EL2 ignoring MTE tag
KVM: arm64: Use the reg_to_encoding() macro instead of sys_reg()
KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
KVM: arm64: Simplify handling of absent PMU system registers
KVM: arm64: Hide PMU registers from userspace when not available
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A reference to the sub-device pad ops was not follwed by a whitespace,
resulting in a warning during documentation build. Fix it.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 25c8d9a7689e ("media: Documentation: v4l: Document that link_validate op is valid for sink only")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Trivial example fix.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/8fa5edcaa6b93859cfda97d080aad378e89c1b44.1611232967.git.michal.simek@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Update Raw Gadget documentation and Kconfig. Make the description more
precise and clear, fix typos and grammar mistakes, and do other cleanups.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Link: https://lore.kernel.org/r/f4c650c94ae2b910e38819d51109cd5f0b251a2a.1611429174.git.andreyknvl@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a module parameter that overrides the SVA feature enabling. This keeps
the driver in legacy mode even when intel_iommu=sm_on is set. In this mode,
the descriptor fields must be programmed with dma_addr_t from the Linux DMA
API for source, destination, and completion descriptors.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/161134110457.4005461.13171197785259115852.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The ST-Ericsson U300 platform is getting removed, so this driver is no
longer needed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210120131859.2056308-4-arnd@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The zte zx platform is getting removed, so this driver is no
longer needed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Link: https://lore.kernel.org/r/20210120131859.2056308-3-arnd@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The CSR SiRF prima2/atlas platforms are getting removed, so this driver
is no longer needed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Barry Song <baohua@kernel.org>
Cc: Barry Song <baohua@kernel.org>
Link: https://lore.kernel.org/r/20210120131859.2056308-2-arnd@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The $ref for "intel,dma-poll-cnt" is missing an '/', causing
dt_binding_check to fail. Fix this.
Fixes: afd4df85602d ("dt-bindings: dma: Add bindings for Intel LGM SoC")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210120180939.1580984-1-bjorn.andersson@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add ingenic,jz4760-dma and ingenic,jz4760b-dma compatible strings to
support the DMA engines present in the JZ4760 and JZ4760B SoCs.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20210120105322.16116-1-paul@crapouillou.net
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Silence indentation level warning reported by dt_binding_check in
order to reduce noise during routine checks.
$ make dt_binding_check
mt8192-mt6359-rt1015-rt5682.yaml:10:4: [warning] wrong indentation:
expected 2 but found 3 (indentation)
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://lore.kernel.org/r/20210126132531.2084711-2-robert.foss@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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PM8019 provides 6 MPPs. Add a compatible to support them.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210115171115.123155-2-konrad.dybcio@somainline.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add the obvious compatible name to the existing SPI binding, and pair
it with the existing H3 fallback compatible string, as the devices are
compatible.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210125151811.11871-14-andre.przywara@arm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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ASoC: Fixes for v5.11
More fixes for v5.11, almost all driver specific issues including new
device IDs - there's one error handling fix for the topology stuff too.
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Add documentation for reliable stacktrace. This is intended to describe
the semantics and to be an aid for implementing architecture support for
HAVE_RELIABLE_STACKTRACE.
Unwinding is a subtle area, and architectures vary greatly in both
implementation and the set of concerns that affect them, so I've tried
to avoid making this too specific to any given architecture. I've used
examples from both x86_64 and arm64 to explain corner cases in more
detail, but I've tried to keep the descriptions sufficient for those who
are unfamiliar with the particular architecture.
This document aims to give rationale for all the recommendations and
requirements, since that makes it easier to spot nearby issues, or when
a check happens to catch a few things at once.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
[Updates following review -- broonie]
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Automatically generate the tables of contents for livepatch documentation
files that have tables of contents rather than open coding them so things
are a little easier to maintain.
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add the compatible string for SM8350 SoC from Qualcomm.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210115090941.2289416-2-vkoul@kernel.org
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Add the compatible string for SM8250 SoC from Qualcomm. This compatible
is used already in DTS files but not documented yet
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210115090941.2289416-1-vkoul@kernel.org
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Add DT binding for SAMA7G5's CHIPID.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/1611318097-8970-7-git-send-email-claudiu.beznea@microchip.com
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Add device tree binding to support MT7530 GPIO controller.
Signed-off-by: DENG Qingfang <dqfext@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update various words, including the wrong parameter name and the vague
description of the usage of "slot" field.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Message-Id: <20201208043439.895-1-yuzenghui@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The documentation classifies KVM_ENABLE_CAP with KVM_CAP_ENABLE_CAP_VM
as a vcpu ioctl, which is incorrect. Fix it by specifying it as a VM
ioctl.
Fixes: e5d83c74a580 ("kvm: make KVM_CAP_ENABLE_CAP_VM architecture agnostic")
Signed-off-by: Quentin Perret <qperret@google.com>
Message-Id: <20210108165349.747359-1-qperret@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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KVM/arm64 fixes for 5.11, take #2
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
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Add missed 'ranges' and 'dma-coherent' properties as cdns-usb DT nodes has
child node and DMA IO is coherent on TI K3 J721E/J7200 SoCs.
This also fixes dtbs_check warning:
cdns-usb@4104000: 'dma-coherent', 'ranges' do not match any of the regexes: '^usb@', 'pinctrl-[0-9]+'
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Aswath Govindraju <a-govindraju@ti.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20210115193124.5706-1-grygorii.strashko@ti.com
Signed-off-by: Rob Herring <robh@kernel.org>
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This document was written a long time ago. Update it.
[1] Drop the version information
The range of the supported GCC versions are always changing. The
current minimal GCC version is 4.9, and commit 1e860048c53e
("gcc-plugins: simplify GCC plugin-dev capability test") removed the
old code accordingly.
We do not need to mention specific version ranges like "all gcc versions
from 4.5 to 6.0" since we forget to update the documentation when we
raise the minimal compiler version.
[2] Drop the C compiler statements
Since commit 77342a02ff6e ("gcc-plugins: drop support for GCC <= 4.7")
the GCC plugin infrastructure only supports g++.
[3] Drop supported architectures
As of v5.11-rc4, the infrastructure supports more architectures;
arm, arm64, mips, powerpc, riscv, s390, um, and x86. (just grep
"select HAVE_GCC_PLUGINS") Again, we miss to update this document when a
new architecture is supported. Let's just say "only some architectures".
[4] Update the apt-get example
We are now discussing to bump the minimal version to GCC 5. The GCC 4.9
support will be removed sooner or later. Change the package example to
gcc-10-plugin-dev while we are here.
[5] Update the build target
Since commit ce2fd53a10c7 ("kbuild: descend into scripts/gcc-plugins/
via scripts/Makefile"), "make gcc-plugins" is not supported.
"make scripts" builds all the enabled plugins, including some other
tools.
[6] Update the steps for adding a new plugin
At first, all CONFIG options for GCC plugins were located in arch/Kconfig.
After commit 45332b1bdfdc ("gcc-plugins: split out Kconfig entries to
scripts/gcc-plugins/Kconfig"), scripts/gcc-plugins/Kconfig became the
central place to collect plugin CONFIG options. In my understanding,
this requirement no longer exists because commit 9f671e58159a ("security:
Create "kernel hardening" config area") moved some of plugin CONFIG
options to another file. Find an appropriate place to add the new CONFIG.
The sub-directory support was never used by anyone, and removed by
commit c17d6179ad5a ("gcc-plugins: remove unused GCC_PLUGIN_SUBDIR").
Remove the useless $(src)/ prefix.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Convert the Holtek HT16K33 LED controller with keyscan Device Tree
binding documentation to json-schema.
Move the file from display to auxdisplay.
Update the example:
- Sort properties in order of documentation,
- Group tuples using angle brackets to improve human readability and
enable automatic validation.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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V4 changed the range from 0..15 to 1..16 in the driver, to match the
dimming set hardware register, but forgot to update the DT binding
documentation.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Keyscan should be optional to support simple LED matrix displays (output
only).
Reported-by: Michael Kaplan <M.KAPLAN@evva.com>
Signed-off-by: Robin van der Gracht <robin@protonic.nl>
[geert: Rebased]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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This converts the v3d bindings to yaml format.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/1610564917-11559-1-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Rob Herring <robh@kernel.org>
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This patch is to create sysfs entry for setting keyboard language
using ASL method. Some thinkpads models like T580 , T590 , T15 Gen 1
etc. has "=", "(',")" numeric keys, which are not displaying correctly,
when keyboard language is other than "english".
This patch fixes this issue by setting keyboard language to ECFW.
Signed-off-by: Nitin Joshi <njoshi1@lenovo.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210125025916.180831-1-nitjoshi@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Changeset b70d154d6558 ("dt-bindings:iio:adc: convert adc.txt to yaml")
renamed: Documentation/devicetree/bindings/iio/adc/adc.txt
to: Documentation/devicetree/bindings/iio/adc/adc.yaml.
Update its cross-reference accordingly.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/8e37dba8ae9099acd649bab8a1cf718caa4f3e6a.1610535350.git.mchehab+huawei@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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Changeset 27bb0e42855a ("dt-bindings: memory: mediatek: Convert SMI to DT schema")
renamed: Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
to: Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml.
Update its cross-references accordingly.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/c70bd79b311a65babe7374eaf81974563400a943.1610535350.git.mchehab+huawei@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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Ofir Bitton
Bjorn Helgaas
Christoph Hellwig
Peter Zijlstra
Jacopo Mondi
Vinod Koul
Ioana Ciornei
ivan tkachenko
zhenwei pi
Andy Shevchenko
Samuel Thibault
Manivannan Sadhasivam
Martin K. Petersen
Praveen Chaudhary
Raphael Gianotti
Linus Torvalds
Sakari Ailus
Michal Simek
Andrey Konovalov
Dave Jiang
Arnd Bergmann
Bjorn Andersson
Paul Cercueil
Robert Foss
Konrad Dybcio
Andre Przywara
Takashi Iwai
Mark Rutland
Mark Brown
Claudiu Beznea
DENG Qingfang
Zenghui Yu
Quentin Perret
Paolo Bonzini
Grygorii Strashko
Masahiro Yamada
Geert Uytterhoeven
Robin van der Gracht
Stefan Wahren
Nitin Joshi
Mauro Carvalho Chehab