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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"The time and timers updates contain:
Core changes:
- Allow runtime power management when the clocksource is changed.
- A correctness fix for clock_adjtime32() so that the return value on
success is not overwritten by the result of the copy to user.
- Allow late installment of broadcast clockevent devices which was
broken because nothing switched them over to oneshot mode. This
went unnoticed so far because clockevent devices used to be built
in, but now people started to make them modular.
- Debugfs related simplifications
- Small cleanups and improvements here and there
Driver changes:
- The usual set of device tree binding updates for a wide range of
drivers/devices.
- The usual updates and improvements for drivers all over the place
but nothing outstanding.
- No new clocksource/event drivers. They'll come back next time"
* tag 'timers-core-2021-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
posix-timers: Preserve return value in clock_adjtime32()
tick/broadcast: Allow late registered device to enter oneshot mode
tick: Use tick_check_replacement() instead of open coding it
time/timecounter: Mark 1st argument of timecounter_cyc2time() as const
dt-bindings: timer: nuvoton,npcm7xx: Add wpcm450-timer
clocksource/drivers/arm_arch_timer: Add __ro_after_init and __init
clocksource/drivers/timer-ti-dm: Handle dra7 timer wrap errata i940
clocksource/drivers/timer-ti-dm: Prepare to handle dra7 timer wrap issue
clocksource/drivers/dw_apb_timer_of: Add handling for potential memory leak
clocksource/drivers/npcm: Add support for WPCM450
clocksource/drivers/sh_cmt: Don't use CMTOUT_IE with R-Car Gen2/3
clocksource/drivers/pistachio: Fix trivial typo
clocksource/drivers/ingenic_ost: Fix return value check in ingenic_ost_probe()
clocksource/drivers/timer-ti-dm: Add missing set_state_oneshot_stopped
clocksource/drivers/timer-ti-dm: Fix posted mode status check order
dt-bindings: timer: renesas,cmt: Document R8A77961
dt-bindings: timer: renesas,cmt: Add r8a779a0 CMT support
clocksource/drivers/ingenic-ost: Add support for the JZ4760B
clocksource/drivers/ingenic: Add support for the JZ4760
dt-bindings: timer: ingenic: Add compatible strings for JZ4760(B)
...
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Add a compatible string for WPCM450, which has essentially the same
timer controller.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210320181610.680870-6-j.neuschaefer@gmx.net
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Add missing bindings for M3-W+.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210211143344.352588-1-niklas.soderlund+renesas@ragnatech.se
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Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210311090918.2197-1-wsa+renesas@sang-engineering.com
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Add compatible strings to support the system timer, clocksource, OST,
watchdog and PWM blocks of the JZ4760 and JZ4760B SoCs.
Newer SoCs which behave like the JZ4760 or JZ4760B now see their
compatible string require a fallback compatible string that corresponds
to one of these two SoCs.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210308212302.10288-1-paul@crapouillou.net
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Add missing bindings for Gen3 SoCs.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210211143102.350719-1-niklas.soderlund+renesas@ragnatech.se
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The usual updates from the irq departement:
Core changes:
- Provide IRQF_NO_AUTOEN as a flag for request*_irq() so drivers can
be cleaned up which either use a seperate mechanism to prevent
auto-enable at request time or have a racy mechanism which disables
the interrupt right after request.
- Get rid of the last usage of irq_create_identity_mapping() and
remove the interface.
- An overhaul of tasklet_disable().
Most usage sites of tasklet_disable() are in task context and
usually in cleanup, teardown code pathes. tasklet_disable()
spinwaits for a tasklet which is currently executed. That's not
only a problem for PREEMPT_RT where this can lead to a live lock
when the disabling task preempts the softirq thread. It's also
problematic in context of virtualization when the vCPU which runs
the tasklet is scheduled out and the disabling code has to spin
wait until it's scheduled back in.
There are a few code pathes which invoke tasklet_disable() from
non-sleepable context. For these a new disable variant which still
spinwaits is provided which allows to switch tasklet_disable() to a
sleep wait mechanism. For the atomic use cases this does not solve
the live lock issue on PREEMPT_RT. That is mitigated by blocking on
the RT specific softirq lock.
- The PREEMPT_RT specific implementation of softirq processing and
local_bh_disable/enable().
On RT enabled kernels soft interrupt processing happens always in
task context and all interrupt handlers, which are not explicitly
marked to be invoked in hard interrupt context are forced into task
context as well. This allows to protect against softirq processing
with a per CPU lock, which in turn allows to make BH disabled
regions preemptible.
Most of the softirq handling code is still shared. The RT/non-RT
specific differences are addressed with a set of inline functions
which provide the context specific functionality. The
local_bh_disable() / local_bh_enable() mechanism are obviously
seperate.
- The usual set of small improvements and cleanups
Driver changes:
- New drivers for Nuvoton WPCM450 and DT 79rc3243x interrupt
controllers
- Extended functionality for MStar, STM32 and SC7280 irq chips
- Enhanced robustness for ARM GICv3/4.1 drivers
- The usual set of cleanups and improvements all over the place"
* tag 'irq-core-2021-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (53 commits)
irqchip/xilinx: Expose Kconfig option for Zynq/ZynqMP
irqchip/gic-v3: Do not enable irqs when handling spurious interrups
dt-bindings: interrupt-controller: Add IDT 79RC3243x Interrupt Controller
irqchip: Add support for IDT 79rc3243x interrupt controller
irqdomain: Drop references to recusive irqdomain setup
irqdomain: Get rid of irq_create_strict_mappings()
irqchip/jcore-aic: Kill use of irq_create_strict_mappings()
ARM: PXA: Kill use of irq_create_strict_mappings()
irqchip/gic-v4.1: Disable vSGI upon (GIC CPUIF < v4.1) detection
irqchip/tb10x: Use 'fallthrough' to eliminate a warning
genirq: Reduce irqdebug cacheline bouncing
kernel: Initialize cpumask before parsing
irqchip/wpcm450: Drop COMPILE_TEST
irqchip/irq-mst: Support polarity configuration
irqchip: Add driver for WPCM450 interrupt controller
dt-bindings: interrupt-controller: Add nuvoton, wpcm450-aic
dt-bindings: qcom,pdc: Add compatible for sc7280
irqchip/stm32: Add usart instances exti direct event support
irqchip/gic-v3: Fix OF_BAD_ADDR error handling
irqchip/sifive-plic: Mark two global variables __ro_after_init
...
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Document DT bindings for IDT 79RC3243x Interrupt Controller.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210422145330.73452-2-tsbogend@alpha.franken.de
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The WPCM450 AIC ("Advanced Interrupt Controller") is the interrupt
controller found in the Nuvoton WPCM450 SoC and other Winbond/Nuvoton
SoCs.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210406120921.2484986-4-j.neuschaefer@gmx.net
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Add the compatible string for sc7280 SoC from Qualcomm
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1615787946-26474-1-git-send-email-rnayak@codeaurora.org
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Borislav Petkov:
"A bunch of SGI UV improvements, fixes and cleanups"
* tag 'x86_platform_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform/uv: Remove dead !CONFIG_KEXEC_CORE code
x86/platform/uv: Fix !KEXEC build failure
x86/platform/uv: Add more to secondary CPU kdump info
x86/platform/uv: Use x2apic enabled bit as set by BIOS to indicate APIC mode
x86/platform/uv: Set section block size for hubless architectures
x86/platform/uv: Fix indentation warning in Documentation/ABI/testing/sysfs-firmware-sgi_uv
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Documentation/ABI/testing/sysfs-firmware-sgi_uv
Commit
c9624cb7db1c ("x86/platform/uv: Update sysfs documentation")
misplaced the first line of a codeblock section, causing the reported
warning message:
Documentation/ABI/testing/sysfs-firmware-sgi_uv:2: WARNING: Unexpected indentation.
Move the misplaced line below the required blank line to remove the
warning message.
Fixes: c9624cb7db1c ("x86/platform/uv: Update sysfs documentation")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Mike Travis <mike.travis@hpe.com>
Link: https://lkml.kernel.org/r/20210219182852.385297-1-justin.ernst@hpe.com
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SGX updates from Borislav Petkov:
"Add the guest side of SGX support in KVM guests. Work by Sean
Christopherson, Kai Huang and Jarkko Sakkinen.
Along with the usual fixes, cleanups and improvements"
* tag 'x86_sgx_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
x86/sgx: Mark sgx_vepc_vm_ops static
x86/sgx: Do not update sgx_nr_free_pages in sgx_setup_epc_section()
x86/sgx: Move provisioning device creation out of SGX driver
x86/sgx: Add helpers to expose ECREATE and EINIT to KVM
x86/sgx: Add helper to update SGX_LEPUBKEYHASHn MSRs
x86/sgx: Add encls_faulted() helper
x86/sgx: Add SGX2 ENCLS leaf definitions (EAUG, EMODPR and EMODT)
x86/sgx: Move ENCLS leaf definitions to sgx.h
x86/sgx: Expose SGX architectural definitions to the kernel
x86/sgx: Initialize virtual EPC driver even when SGX driver is disabled
x86/cpu/intel: Allow SGX virtualization without Launch Control support
x86/sgx: Introduce virtual EPC for use by KVM guests
x86/sgx: Add SGX_CHILD_PRESENT hardware error code
x86/sgx: Wipe out EREMOVE from sgx_free_epc_page()
x86/cpufeatures: Add SGX1 and SGX2 sub-features
x86/cpufeatures: Make SGX_LC feature bit depend on SGX bit
x86/sgx: Remove unnecessary kmap() from sgx_ioc_enclave_init()
selftests/sgx: Use getauxval() to simplify test code
selftests/sgx: Improve error detection and messages
x86/sgx: Add a basic NUMA allocation scheme to sgx_alloc_epc_page()
...
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Add a misc device /dev/sgx_vepc to allow userspace to allocate "raw"
Enclave Page Cache (EPC) without an associated enclave. The intended
and only known use case for raw EPC allocation is to expose EPC to a
KVM guest, hence the 'vepc' moniker, virt.{c,h} files and X86_SGX_KVM
Kconfig.
The SGX driver uses the misc device /dev/sgx_enclave to support
userspace in creating an enclave. Each file descriptor returned from
opening /dev/sgx_enclave represents an enclave. Unlike the SGX driver,
KVM doesn't control how the guest uses the EPC, therefore EPC allocated
to a KVM guest is not associated with an enclave, and /dev/sgx_enclave
is not suitable for allocating EPC for a KVM guest.
Having separate device nodes for the SGX driver and KVM virtual EPC also
allows separate permission control for running host SGX enclaves and KVM
SGX guests.
To use /dev/sgx_vepc to allocate a virtual EPC instance with particular
size, the hypervisor opens /dev/sgx_vepc, and uses mmap() with the
intended size to get an address range of virtual EPC. Then it may use
the address range to create one KVM memory slot as virtual EPC for
a guest.
Implement the "raw" EPC allocation in the x86 core-SGX subsystem via
/dev/sgx_vepc rather than in KVM. Doing so has two major advantages:
- Does not require changes to KVM's uAPI, e.g. EPC gets handled as
just another memory backend for guests.
- EPC management is wholly contained in the SGX subsystem, e.g. SGX
does not have to export any symbols, changes to reclaim flows don't
need to be routed through KVM, SGX's dirty laundry doesn't have to
get aired out for the world to see, and so on and so forth.
The virtual EPC pages allocated to guests are currently not reclaimable.
Reclaiming an EPC page used by enclave requires a special reclaim
mechanism separate from normal page reclaim, and that mechanism is not
supported for virutal EPC pages. Due to the complications of handling
reclaim conflicts between guest and host, reclaiming virtual EPC pages
is significantly more complex than basic support for SGX virtualization.
[ bp:
- Massage commit message and comments
- use cpu_feature_enabled()
- vertically align struct members init
- massage Virtual EPC clarification text
- move Kconfig prompt to Virtualization ]
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Co-developed-by: Kai Huang <kai.huang@intel.com>
Signed-off-by: Kai Huang <kai.huang@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Dave Hansen <dave.hansen@intel.com>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lkml.kernel.org/r/0c38ced8c8e5a69872db4d6a1c0dabd01e07cad7.1616136308.git.kai.huang@intel.com
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EREMOVE takes a page and removes any association between that page and
an enclave. It must be run on a page before it can be added into another
enclave. Currently, EREMOVE is run as part of pages being freed into the
SGX page allocator. It is not expected to fail, as it would indicate a
use-after-free of EPC pages. Rather than add the page back to the pool
of available EPC pages, the kernel intentionally leaks the page to avoid
additional errors in the future.
However, KVM does not track how guest pages are used, which means that
SGX virtualization use of EREMOVE might fail. Specifically, it is
legitimate that EREMOVE returns SGX_CHILD_PRESENT for EPC assigned to
KVM guest, because KVM/kernel doesn't track SECS pages.
To allow SGX/KVM to introduce a more permissive EREMOVE helper and
to let the SGX virtualization code use the allocator directly, break
out the EREMOVE call from the SGX page allocator. Rename the original
sgx_free_epc_page() to sgx_encl_free_epc_page(), indicating that
it is used to free an EPC page assigned to a host enclave. Replace
sgx_free_epc_page() with sgx_encl_free_epc_page() in all call sites so
there's no functional change.
At the same time, improve the error message when EREMOVE fails, and
add documentation to explain to the user what that failure means and
to suggest to the user what to do when this bug happens in the case it
happens.
[ bp: Massage commit message, fix typos and sanitize text, simplify. ]
Signed-off-by: Kai Huang <kai.huang@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lkml.kernel.org/r/20210325093057.122834-1-kai.huang@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- crypto_destroy_tfm now ignores errors as well as NULL pointers
Algorithms:
- Add explicit curve IDs in ECDH algorithm names
- Add NIST P384 curve parameters
- Add ECDSA
Drivers:
- Add support for Green Sardine in ccp
- Add ecdh/curve25519 to hisilicon/hpre
- Add support for AM64 in sa2ul"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (184 commits)
fsverity: relax build time dependency on CRYPTO_SHA256
fscrypt: relax Kconfig dependencies for crypto API algorithms
crypto: camellia - drop duplicate "depends on CRYPTO"
crypto: s5p-sss - consistently use local 'dev' variable in probe()
crypto: s5p-sss - remove unneeded local variable initialization
crypto: s5p-sss - simplify getting of_device_id match data
ccp: ccp - add support for Green Sardine
crypto: ccp - Make ccp_dev_suspend and ccp_dev_resume void functions
crypto: octeontx2 - add support for OcteonTX2 98xx CPT block.
crypto: chelsio/chcr - Remove useless MODULE_VERSION
crypto: ux500/cryp - Remove duplicate argument
crypto: chelsio - remove unused function
crypto: sa2ul - Add support for AM64
crypto: sa2ul - Support for per channel coherency
dt-bindings: crypto: ti,sa2ul: Add new compatible for AM64
crypto: hisilicon - enable new error types for QM
crypto: hisilicon - add new error type for SEC
crypto: hisilicon - support new error types for ZIP
crypto: hisilicon - dynamic configuration 'err_info'
crypto: doc - fix kernel-doc notation in chacha.c and af_alg.c
...
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Add the AM64 version of sa2ul to the compatible list.
[v_gupta@ti.com: Conditional dma-coherent requirement, clocks]
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Vaibhav Gupta <v_gupta@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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brcm,bcm6368-rng controllers require resetting the IPSEC clock in order to get
a functional RNG.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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brcm,bcm6368-rng controllers require enabling the IPSEC clock in order to get
a functional RNG.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen:
"New features:
- ARM TEE backend for kernel trusted keys to complete the existing
TPM backend
- ASN.1 format for TPM2 trusted keys to make them interact with the
user space stack, such as OpenConnect VPN
Other than that, a bunch of bug fixes"
* tag 'tpmdd-next-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
KEYS: trusted: Fix missing null return from kzalloc call
char: tpm: fix error return code in tpm_cr50_i2c_tis_recv()
MAINTAINERS: Add entry for TEE based Trusted Keys
doc: trusted-encrypted: updates with TEE as a new trust source
KEYS: trusted: Introduce TEE based Trusted Keys
KEYS: trusted: Add generic trusted keys framework
security: keys: trusted: Make sealed key properly interoperable
security: keys: trusted: use ASN.1 TPM2 key format for the blobs
security: keys: trusted: fix TPM2 authorizations
oid_registry: Add TCG defined OIDS for TPM keys
lib: Add ASN.1 encoder
tpm: vtpm_proxy: Avoid reading host log when using a virtual device
tpm: acpi: Check eventlog signature before using it
tpm: efi: Use local variable for calculating final log size
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Update documentation for Trusted and Encrypted Keys with TEE as a new
trust source. Following is brief description of updates:
- Add a section to demonstrate a list of supported devices along with
their security properties/guarantees.
- Add a key generation section.
- Updates for usage section including differences specific to a trust
source.
Co-developed-by: Elaine Palmer <erpalmer@us.ibm.com>
Signed-off-by: Elaine Palmer <erpalmer@us.ibm.com>
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Current trusted keys framework is tightly coupled to use TPM device as
an underlying implementation which makes it difficult for implementations
like Trusted Execution Environment (TEE) etc. to provide trusted keys
support in case platform doesn't posses a TPM device.
Add a generic trusted keys framework where underlying implementations
can be easily plugged in. Create struct trusted_key_ops to achieve this,
which contains necessary functions of a backend.
Also, define a module parameter in order to select a particular trust
source in case a platform support multiple trust sources. In case its
not specified then implementation itetrates through trust sources list
starting with TPM and assign the first trust source as a backend which
has initiazed successfully during iteration.
Note that current implementation only supports a single trust source at
runtime which is either selectable at compile time or during boot via
aforementioned module parameter.
Suggested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Modify the TPM2 key format blob output to export and import in the
ASN.1 form for TPM2 sealed object keys. For compatibility with prior
trusted keys, the importer will also accept two TPM2B quantities
representing the public and private parts of the key. However, the
export via keyctl pipe will only output the ASN.1 format.
The benefit of the ASN.1 format is that it's a standard and thus the
exported key can be used by userspace tools (openssl_tpm2_engine,
openconnect and tpm2-tss-engine). The format includes policy
specifications, thus it gets us out of having to construct policy
handles in userspace and the format includes the parent meaning you
don't have to keep passing it in each time.
This patch only implements basic handling for the ASN.1 format, so
keys with passwords but no policy.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.12-rc8, including fixes from netfilter, and
bpf. BPF verifier changes stand out, otherwise things have slowed
down.
Current release - regressions:
- gro: ensure frag0 meets IP header alignment
- Revert "net: stmmac: re-init rx buffers when mac resume back"
- ethernet: macb: fix the restore of cmp registers
Previous releases - regressions:
- ixgbe: Fix NULL pointer dereference in ethtool loopback test
- ixgbe: fix unbalanced device enable/disable in suspend/resume
- phy: marvell: fix detection of PHY on Topaz switches
- make tcp_allowed_congestion_control readonly in non-init netns
- xen-netback: Check for hotplug-status existence before watching
Previous releases - always broken:
- bpf: mitigate a speculative oob read of up to map value size by
tightening the masking window
- sctp: fix race condition in sctp_destroy_sock
- sit, ip6_tunnel: Unregister catch-all devices
- netfilter: nftables: clone set element expression template
- netfilter: flowtable: fix NAT IPv6 offload mangling
- net: geneve: check skb is large enough for IPv4/IPv6 header
- netlink: don't call ->netlink_bind with table lock held"
* tag 'net-5.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (52 commits)
netlink: don't call ->netlink_bind with table lock held
MAINTAINERS: update my email
bpf: Update selftests to reflect new error states
bpf: Tighten speculative pointer arithmetic mask
bpf: Move sanitize_val_alu out of op switch
bpf: Refactor and streamline bounds check into helper
bpf: Improve verifier error messages for users
bpf: Rework ptr_limit into alu_limit and add common error path
bpf: Ensure off_reg has no mixed signed bounds for all types
bpf: Move off_reg into sanitize_ptr_alu
bpf: Use correct permission flag for mixed signed bounds arithmetic
ch_ktls: do not send snd_una update to TCB in middle
ch_ktls: tcb close causes tls connection failure
ch_ktls: fix device connection close
ch_ktls: Fix kernel panic
i40e: fix the panic when running bpf in xdpdrv mode
net/mlx5e: fix ingress_ifindex check in mlx5e_flower_parse_meta
net/mlx5e: Fix setting of RS FEC mode
net/mlx5: Fix setting of devlink traps in switchdev mode
Revert "net: stmmac: re-init rx buffers when mac resume back"
...
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Let's have all seg6 sysctl at the same place.
Fixes: a6dc6670cd7e ("ipv6: sr: Add documentation for seg_flowlabel sysctl")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"A mixture of driver and documentation bugfixes for I2C"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: imx: mention Oleksij as maintainer of the binding docs
i2c: exynos5: correct top kerneldoc
i2c: designware: Adjust bus_freq_hz when refuse high speed mode set
i2c: hix5hd2: use the correct HiSilicon copyright
i2c: gpio: update email address in binding docs
i2c: imx: drop me as maintainer of binding docs
i2c: stm32f4: Mundane typo fix
I2C: JZ4780: Fix bug for Ingenic X1000.
i2c: turn recovery error on init to debug
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When I removed myself as a maintainer of the yaml file, I missed that
some maintainer is required. Oleksij is already listed in MAINTAINERS
for this file, so add him here as well.
Fixes: 1ae6b3780848 ("i2c: imx: drop me as maintainer of binding docs")
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Signed-off-by: Wolfram Sang <wsa@kernel.org>
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I dunno why I got added here, but I haven't been using this driver for
years. Remove me to make space for interested parties.
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Merge misc fixes from Andrew Morton:
"14 patches.
Subsystems affected by this patch series: mm (kasan, gup, pagecache,
and kfence), MAINTAINERS, mailmap, nds32, gcov, ocfs2, ia64, and lib"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS
kfence, x86: fix preemptible warning on KPTI-enabled systems
lib/test_kasan_module.c: suppress unused var warning
kasan: fix conflict with page poisoning
fs: direct-io: fix missing sdio->boundary
ia64: fix user_stack_pointer() for ptrace()
ocfs2: fix deadlock between setattr and dio_end_io_write
gcov: re-fix clang-11+ support
nds32: flush_dcache_page: use page_mapping_file to avoid races with swapoff
mm/gup: check page posion status for coredump.
.mailmap: fix old email addresses
mailmap: update email address for Jordan Crouse
treewide: change my e-mail address, fix my name
MAINTAINERS: update CZ.NIC's Turris information
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Change my e-mail address to kabel@kernel.org, and fix my name in
non-code parts (add diacritical mark).
Link: https://lkml.kernel.org/r/20210325171123.28093-2-kabel@kernel.org
Signed-off-by: Marek Behún <kabel@kernel.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.12-rc7, including fixes from can, ipsec,
mac80211, wireless, and bpf trees.
No scary regressions here or in the works, but small fixes for 5.12
changes keep coming.
Current release - regressions:
- virtio: do not pull payload in skb->head
- virtio: ensure mac header is set in virtio_net_hdr_to_skb()
- Revert "net: correct sk_acceptq_is_full()"
- mptcp: revert "mptcp: provide subflow aware release function"
- ethernet: lan743x: fix ethernet frame cutoff issue
- dsa: fix type was not set for devlink port
- ethtool: remove link_mode param and derive link params from driver
- sched: htb: fix null pointer dereference on a null new_q
- wireless: iwlwifi: Fix softirq/hardirq disabling in
iwl_pcie_enqueue_hcmd()
- wireless: iwlwifi: fw: fix notification wait locking
- wireless: brcmfmac: p2p: Fix deadlock introduced by avoiding the
rtnl dependency
Current release - new code bugs:
- napi: fix hangup on napi_disable for threaded napi
- bpf: take module reference for trampoline in module
- wireless: mt76: mt7921: fix airtime reporting and related tx hangs
- wireless: iwlwifi: mvm: rfi: don't lock mvm->mutex when sending
config command
Previous releases - regressions:
- rfkill: revert back to old userspace API by default
- nfc: fix infinite loop, refcount & memory leaks in LLCP sockets
- let skb_orphan_partial wake-up waiters
- xfrm/compat: Cleanup WARN()s that can be user-triggered
- vxlan, geneve: do not modify the shared tunnel info when PMTU
triggers an ICMP reply
- can: fix msg_namelen values depending on CAN_REQUIRED_SIZE
- can: uapi: mark union inside struct can_frame packed
- sched: cls: fix action overwrite reference counting
- sched: cls: fix err handler in tcf_action_init()
- ethernet: mlxsw: fix ECN marking in tunnel decapsulation
- ethernet: nfp: Fix a use after free in nfp_bpf_ctrl_msg_rx
- ethernet: i40e: fix receiving of single packets in xsk zero-copy
mode
- ethernet: cxgb4: avoid collecting SGE_QBASE regs during traffic
Previous releases - always broken:
- bpf: Refuse non-O_RDWR flags in BPF_OBJ_GET
- bpf: Refcount task stack in bpf_get_task_stack
- bpf, x86: Validate computation of branch displacements
- ieee802154: fix many similar syzbot-found bugs
- fix NULL dereferences in netlink attribute handling
- reject unsupported operations on monitor interfaces
- fix error handling in llsec_key_alloc()
- xfrm: make ipv4 pmtu check honor ip header df
- xfrm: make hash generation lock per network namespace
- xfrm: esp: delete NETIF_F_SCTP_CRC bit from features for esp
offload
- ethtool: fix incorrect datatype in set_eee ops
- xdp: fix xdp_return_frame() kernel BUG throw for page_pool memory
model
- openvswitch: fix send of uninitialized stack memory in ct limit
reply
Misc:
- udp: add get handling for UDP_GRO sockopt"
* tag 'net-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (182 commits)
net: fix hangup on napi_disable for threaded napi
net: hns3: Trivial spell fix in hns3 driver
lan743x: fix ethernet frame cutoff issue
net: ipv6: check for validity before dereferencing cfg->fc_nlinfo.nlh
net: dsa: lantiq_gswip: Configure all remaining GSWIP_MII_CFG bits
net: dsa: lantiq_gswip: Don't use PHY auto polling
net: sched: sch_teql: fix null-pointer dereference
ipv6: report errors for iftoken via netlink extack
net: sched: fix err handler in tcf_action_init()
net: sched: fix action overwrite reference counting
Revert "net: sched: bump refcount for new action in ACT replace mode"
ice: fix memory leak of aRFS after resuming from suspend
i40e: Fix sparse warning: missing error code 'err'
i40e: Fix sparse error: 'vsi->netdev' could be null
i40e: Fix sparse error: uninitialized symbol 'ring'
i40e: Fix sparse errors in i40e_txrx.c
i40e: Fix parameters in aq_get_phy_register()
nl80211: fix beacon head validation
bpf, x86: Validate computation of branch displacements for x86-32
bpf, x86: Validate computation of branch displacements for x86-64
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Fix incorrect documentation. Mostly referring to other objects,
likely because the text was copied and not adjusted.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This binding file uses $ref: ethernet-controller.yaml# so it's required
to use "unevaluatedProperties" (instead of "additionalProperties") to
make Ethernet properties validate.
Fixes: f08b5cf1eb1f ("dt-bindings: net: bcm4908-enet: include ethernet-controller.yaml")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The correct property name is "nvmem-cell-names". This is what:
1. Was originally documented in the ethernet.txt
2. Is used in DTS files
3. Matches standard syntax for phandles
4. Linux net subsystem checks for
Fixes: 9d3de3c58347 ("dt-bindings: net: Add YAML schemas for the generic Ethernet options")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Correct the Micrel phy documentation for the ksz9021 and ksz9031 phys
for how the phy skews are set.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fix fw_devlink failure with ".*,nr-gpios" properties
- Doc link reference fixes from Mauro
- Fixes for unaligned FDT handling found on OpenRisc. First, avoid
crash with better error handling when unflattening an unaligned FDT.
Second, fix memory allocations for FDTs to ensure alignment.
* tag 'devicetree-fixes-for-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: property: fw_devlink: do not link ".*,nr-gpios"
dt-bindings:iio:adc: update motorola,cpcap-adc.yaml reference
dt-bindings: fix references for iio-bindings.txt
dt-bindings: don't use ../dir for doc references
of: unittest: overlay: ensure proper alignment of copied FDT
of: properly check for error returned by fdt_get_name()
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Changeset 1ca9d1b1342d ("dt-bindings:iio:adc:motorola,cpcap-adc yaml conversion")
renamed: Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt
to: Documentation/devicetree/bindings/iio/adc/motorola,cpcap-adc.yaml.
Update its cross-reference accordingly.
Fixes: 1ca9d1b1342d ("dt-bindings:iio:adc:motorola,cpcap-adc yaml conversion")
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/3e205e5fa701e4bc15d39d6ac1f57717df2bb4c6.1617972339.git.mchehab+huawei@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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The iio-bindings.txt was converted into two files and merged
at the dt-schema git tree at:
https://github.com/devicetree-org/dt-schema
Yet, some documents still refer to the old file. Fix their
references, in order to point to the right URL.
Fixes: dba91f82d580 ("dt-bindings:iio:iio-binding.txt Drop file as content now in dt-schema")
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/4efd81eca266ca0875d3bf9d1672097444146c69.1617972339.git.mchehab+huawei@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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As documents have been renamed and moved around, their
references will break, but this will be unnoticed, as the
script which checks for it won't handle "../" references.
So, replace them by the full patch.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/68d3a1244119d1f2829c375b0ef554cf348bc89f.1617972339.git.mchehab+huawei@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Minor fixes all over, ranging from typos to tests to errata
workarounds:
- Fix possible memory hotplug failure with KASLR
- Fix FFR value in SVE kselftest
- Fix backtraces reported in /proc/$pid/stack
- Disable broken CnP implementation on NVIDIA Carmel
- Typo fixes and ACPI documentation clarification
- Fix some W=1 warnings"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kernel: disable CNP on Carmel
arm64/process.c: fix Wmissing-prototypes build warnings
kselftest/arm64: sve: Do not use non-canonical FFR register value
arm64: mm: correct the inside linear map range during hotplug check
arm64: kdump: update ppos when reading elfcorehdr
arm64: cpuinfo: Fix a typo
Documentation: arm64/acpi : clarify arm64 support of IBFT
arm64: stacktrace: don't trace arch_stack_walk()
arm64: csum: cast to the proper type
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On NVIDIA Carmel cores, CNP behaves differently than it does on standard
ARM cores. On Carmel, if two cores have CNP enabled and share an L2 TLB
entry created by core0 for a specific ASID, a non-shareable TLBI from
core1 may still see the shared entry. On standard ARM cores, that TLBI
will invalidate the shared entry as well.
This causes issues with patchsets that attempt to do local TLBIs based
on cpumasks instead of broadcast TLBIs. Avoid these issues by disabling
CNP support for NVIDIA Carmel cores.
Signed-off-by: Rich Wiley <rwiley@nvidia.com>
Link: https://lore.kernel.org/r/20210324002809.30271-1-rwiley@nvidia.com
[will: Fix pre-existing whitespace issue]
Signed-off-by: Will Deacon <will@kernel.org>
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In commit 94bccc340710 ("iscsi_ibft: make ISCSI_IBFT dependson ACPI instead
of ISCSI_IBFT_FIND") Kconfig was disentangled to make ISCSI_IBFT selection
not depend on x86.
Update arm64 acpi documentation, changing IBFT support status from
"Not Supported" to "Optional".
Opportunistically re-flow paragraph for changed lines.
Link: https://lore.kernel.org/lkml/1563475054-10680-1-git-send-email-thomas.tai@oracle.com/
Signed-off-by: Tom Saeger <tom.saeger@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Link: https://lore.kernel.org/r/9efc652df2b8d6b53d9acb170eb7c9ca3938dfef.1615920441.git.tom.saeger@oracle.com
Signed-off-by: Will Deacon <will@kernel.org>
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Pull networking fixes from David Miller:
"Various fixes, all over:
1) Fix overflow in ptp_qoriq_adjfine(), from Yangbo Lu.
2) Always store the rx queue mapping in veth, from Maciej
Fijalkowski.
3) Don't allow vmlinux btf in map_create, from Alexei Starovoitov.
4) Fix memory leak in octeontx2-af from Colin Ian King.
5) Use kvalloc in bpf x86 JIT for storing jit'd addresses, from
Yonghong Song.
6) Fix tx ptp stats in mlx5, from Aya Levin.
7) Check correct ip version in tun decap, fropm Roi Dayan.
8) Fix rate calculation in mlx5 E-Switch code, from arav Pandit.
9) Work item memork leak in mlx5, from Shay Drory.
10) Fix ip6ip6 tunnel crash with bpf, from Daniel Borkmann.
11) Lack of preemptrion awareness in macvlan, from Eric Dumazet.
12) Fix data race in pxa168_eth, from Pavel Andrianov.
13) Range validate stab in red_check_params(), from Eric Dumazet.
14) Inherit vlan filtering setting properly in b53 driver, from
Florian Fainelli.
15) Fix rtnl locking in igc driver, from Sasha Neftin.
16) Pause handling fixes in igc driver, from Muhammad Husaini
Zulkifli.
17) Missing rtnl locking in e1000_reset_task, from Vitaly Lifshits.
18) Use after free in qlcnic, from Lv Yunlong.
19) fix crash in fritzpci mISDN, from Tong Zhang.
20) Premature rx buffer reuse in igb, from Li RongQing.
21) Missing termination of ip[a driver message handler arrays, from
Alex Elder.
22) Fix race between "x25_close" and "x25_xmit"/"x25_rx" in hdlc_x25
driver, from Xie He.
23) Use after free in c_can_pci_remove(), from Tong Zhang.
24) Uninitialized variable use in nl80211, from Jarod Wilson.
25) Off by one size calc in bpf verifier, from Piotr Krysiuk.
26) Use delayed work instead of deferrable for flowtable GC, from
Yinjun Zhang.
27) Fix infinite loop in NPC unmap of octeontx2 driver, from
Hariprasad Kelam.
28) Fix being unable to change MTU of dwmac-sun8i devices due to lack
of fifo sizes, from Corentin Labbe.
29) DMA use after free in r8169 with WoL, fom Heiner Kallweit.
30) Mismatched prototypes in isdn-capi, from Arnd Bergmann.
31) Fix psample UAPI breakage, from Ido Schimmel"
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (171 commits)
psample: Fix user API breakage
math: Export mul_u64_u64_div_u64
ch_ktls: fix enum-conversion warning
octeontx2-af: Fix memory leak of object buf
ptp_qoriq: fix overflow in ptp_qoriq_adjfine() u64 calcalation
net: bridge: don't notify switchdev for local FDB addresses
net/sched: act_ct: clear post_ct if doing ct_clear
net: dsa: don't assign an error value to tag_ops
isdn: capi: fix mismatched prototypes
net/mlx5: SF, do not use ecpu bit for vhca state processing
net/mlx5e: Fix division by 0 in mlx5e_select_queue
net/mlx5e: Fix error path for ethtool set-priv-flag
net/mlx5e: Offload tuple rewrite for non-CT flows
net/mlx5e: Allow to match on MPLS parameters only for MPLS over UDP
net/mlx5: Add back multicast stats for uplink representor
net: ipconfig: ic_dev can be NULL in ic_close_devs
MAINTAINERS: Combine "QLOGIC QLGE 10Gb ETHERNET DRIVER" sections into one
docs: networking: Fix a typo
r8169: fix DMA being used after buffer free if WoL is enabled
net: ipa: fix init header command validation
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s/subsytem/subsystem/
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ena.rst documentation referred to end_start_xmit() when it should refer
to ena_start_xmit(). Fix the typo.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Acked-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit fixes three spelling typos in devlink-dpipe.rst and
devlink-port.rst.
Signed-off-by: Eva Dengler <eva.dengler@fau.de>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull kvm fixes from Paolo Bonzini:
"Fixes for kvm on x86:
- new selftests
- fixes for migration with HyperV re-enlightenment enabled
- fix RCU/SRCU usage
- fixes for local_irq_restore misuse false positive"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
documentation/kvm: additional explanations on KVM_SET_BOOT_CPU_ID
x86/kvm: Fix broken irq restoration in kvm_wait
KVM: X86: Fix missing local pCPU when executing wbinvd on all dirty pCPUs
KVM: x86: Protect userspace MSR filter with SRCU, and set atomically-ish
selftests: kvm: add set_boot_cpu_id test
selftests: kvm: add _vm_ioctl
selftests: kvm: add get_msr_index_features
selftests: kvm: Add basic Hyper-V clocksources tests
KVM: x86: hyper-v: Don't touch TSC page values when guest opted for re-enlightenment
KVM: x86: hyper-v: Track Hyper-V TSC page status
KVM: x86: hyper-v: Prevent using not-yet-updated TSC page by secondary CPUs
KVM: x86: hyper-v: Limit guest to writing zero to HV_X64_MSR_TSC_EMULATION_STATUS
KVM: x86/mmu: Store the address space ID in the TDP iterator
KVM: x86/mmu: Factor out tdp_iter_return_to_root
KVM: x86/mmu: Fix RCU usage when atomically zapping SPTEs
KVM: x86/mmu: Fix RCU usage in handle_removed_tdp_mmu_page
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The ioctl KVM_SET_BOOT_CPU_ID fails when called after vcpu creation.
Add this explanation in the documentation.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20210319091650.11967-1-eesposit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Fix a plethora of issues with MSR filtering by installing the resulting
filter as an atomic bundle instead of updating the live filter one range
at a time. The KVM_X86_SET_MSR_FILTER ioctl() isn't truly atomic, as
the hardware MSR bitmaps won't be updated until the next VM-Enter, but
the relevant software struct is atomically updated, which is what KVM
really needs.
Similar to the approach used for modifying memslots, make arch.msr_filter
a SRCU-protected pointer, do all the work configuring the new filter
outside of kvm->lock, and then acquire kvm->lock only when the new filter
has been vetted and created. That way vCPU readers either see the old
filter or the new filter in their entirety, not some half-baked state.
Yuan Yao pointed out a use-after-free in ksm_msr_allowed() due to a
TOCTOU bug, but that's just the tip of the iceberg...
- Nothing is __rcu annotated, making it nigh impossible to audit the
code for correctness.
- kvm_add_msr_filter() has an unpaired smp_wmb(). Violation of kernel
coding style aside, the lack of a smb_rmb() anywhere casts all code
into doubt.
- kvm_clear_msr_filter() has a double free TOCTOU bug, as it grabs
count before taking the lock.
- kvm_clear_msr_filter() also has memory leak due to the same TOCTOU bug.
The entire approach of updating the live filter is also flawed. While
installing a new filter is inherently racy if vCPUs are running, fixing
the above issues also makes it trivial to ensure certain behavior is
deterministic, e.g. KVM can provide deterministic behavior for MSRs with
identical settings in the old and new filters. An atomic update of the
filter also prevents KVM from getting into a half-baked state, e.g. if
installing a filter fails, the existing approach would leave the filter
in a half-baked state, having already committed whatever bits of the
filter were already processed.
[*] https://lkml.kernel.org/r/20210312083157.25403-1-yaoyuan0329os@gmail.com
Fixes: 1a155254ff93 ("KVM: x86: Introduce MSR filtering")
Cc: stable@vger.kernel.org
Cc: Alexander Graf <graf@amazon.com>
Reported-by: Yuan Yao <yaoyuan0329os@gmail.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210316184436.2544875-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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