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Pull io_uring updates from Jens Axboe:
"Here are the main io_uring changes for 5.19. This contains:
- Fixes for sparse type warnings (Christoph, Vasily)
- Support for multi-shot accept (Hao)
- Support for io_uring managed fixed files, rather than always
needing the applicationt o manage the indices (me)
- Fix for a spurious poll wakeup (Dylan)
- CQE overflow fixes (Dylan)
- Support more types of cancelations (me)
- Support for co-operative task_work signaling, rather than always
forcing an IPI (me)
- Support for doing poll first when appropriate, rather than always
attempting a transfer first (me)
- Provided buffer cleanups and support for mapped buffers (me)
- Improve how io_uring handles inflight SCM files (Pavel)
- Speedups for registered files (Pavel, me)
- Organize the completion data in a struct in io_kiocb rather than
keep it in separate spots (Pavel)
- task_work improvements (Pavel)
- Cleanup and optimize the submission path, in general and for
handling links (Pavel)
- Speedups for registered resource handling (Pavel)
- Support sparse buffers and file maps (Pavel, me)
- Various fixes and cleanups (Almog, Pavel, me)"
* tag 'for-5.19/io_uring-2022-05-22' of git://git.kernel.dk/linux-block: (111 commits)
io_uring: fix incorrect __kernel_rwf_t cast
io_uring: disallow mixed provided buffer group registrations
io_uring: initialize io_buffer_list head when shared ring is unregistered
io_uring: add fully sparse buffer registration
io_uring: use rcu_dereference in io_close
io_uring: consistently use the EPOLL* defines
io_uring: make apoll_events a __poll_t
io_uring: drop a spurious inline on a forward declaration
io_uring: don't use ERR_PTR for user pointers
io_uring: use a rwf_t for io_rw.flags
io_uring: add support for ring mapped supplied buffers
io_uring: add io_pin_pages() helper
io_uring: add buffer selection support to IORING_OP_NOP
io_uring: fix locking state for empty buffer group
io_uring: implement multishot mode for accept
io_uring: let fast poll support multishot
io_uring: add REQ_F_APOLL_MULTISHOT for requests
io_uring: add IORING_ACCEPT_MULTISHOT for accept
io_uring: only wake when the correct events are set
io_uring: avoid io-wq -EAGAIN looping for !IOPOLL
...
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Upon nfsd shutdown any pending DRC cache is freed. DRC cache use is
tracked via a percpu counter. In the current code the percpu counter
is destroyed before. If any pending cache is still present,
percpu_counter_add is called with a percpu counter==NULL. This causes
a kernel crash.
The solution is to destroy the percpu counter after the cache is freed.
Fixes: e567b98ce9a4b (“nfsd: protect concurrent access to nfsd stats counters”)
Signed-off-by: Julian Schroeder <jumaco@amazon.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU update from Paul McKenney:
- Documentation updates
- Miscellaneous fixes
- Callback-offloading updates, mainly simplifications
- RCU-tasks updates, including some -rt fixups, handling of systems
with sparse CPU numbering, and a fix for a boot-time race-condition
failure
- Put SRCU on a memory diet in order to reduce the size of the
srcu_struct structure
- Torture-test updates fixing some bugs in tests and closing some
testing holes
- Torture-test updates for the RCU tasks flavors, most notably ensuring
that building rcutorture and friends does not change the
RCU-tasks-related Kconfig options
- Torture-test scripting updates
- Expedited grace-period updates, most notably providing
milliseconds-scale (not all that) soft real-time response from
synchronize_rcu_expedited().
This is also the first time in almost 30 years of RCU that someone
other than me has pushed for a reduction in the RCU CPU stall-warning
timeout, in this case by more than three orders of magnitude from 21
seconds to 20 milliseconds. This tighter timeout applies only to
expedited grace periods
* tag 'rcu.2022.05.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (80 commits)
rcu: Move expedited grace period (GP) work to RT kthread_worker
rcu: Introduce CONFIG_RCU_EXP_CPU_STALL_TIMEOUT
srcu: Drop needless initialization of sdp in srcu_gp_start()
srcu: Prevent expedited GPs and blocking readers from consuming CPU
srcu: Add contention check to call_srcu() srcu_data ->lock acquisition
srcu: Automatically determine size-transition strategy at boot
rcutorture: Make torture.sh allow for --kasan
rcutorture: Make torture.sh refscale and rcuscale specify Tasks Trace RCU
rcutorture: Make kvm.sh allow more memory for --kasan runs
torture: Save "make allmodconfig" .config file
scftorture: Remove extraneous "scf" from per_version_boot_params
rcutorture: Adjust scenarios' Kconfig options for CONFIG_PREEMPT_DYNAMIC
torture: Enable CSD-lock stall reports for scftorture
torture: Skip vmlinux check for kvm-again.sh runs
scftorture: Adjust for TASKS_RCU Kconfig option being selected
rcuscale: Allow rcuscale without RCU Tasks Rude/Trace
rcuscale: Allow rcuscale without RCU Tasks
refscale: Allow refscale without RCU Tasks Rude/Trace
refscale: Allow refscale without RCU Tasks
rcutorture: Allow specifying per-scenario stat_interval
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull LKMM update from Paul McKenney:
"This updates the klitmus7 compatibility table to indicate that
herdtools7 7.56.1 or better is required for Linux kernel v5.17 or
later"
* tag 'lkmm.2022.05.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
tools/memory-model/README: Update klitmus7 compat table
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc library updates from Paul McKenney:
"This adds a number of library functions and splits this library into
multiple files"
* tag 'nolibc.2022.05.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (61 commits)
tools/nolibc/string: Implement `strdup()` and `strndup()`
tools/nolibc/string: Implement `strnlen()`
tools/nolibc/stdlib: Implement `malloc()`, `calloc()`, `realloc()` and `free()`
tools/nolibc/types: Implement `offsetof()` and `container_of()` macro
tools/nolibc/sys: Implement `mmap()` and `munmap()`
tools/nolibc: i386: Implement syscall with 6 arguments
tools/nolibc: Remove .global _start from the entry point code
tools/nolibc: Replace `asm` with `__asm__`
tools/nolibc: x86-64: Update System V ABI document link
tools/nolibc/stdlib: only reference the external environ when inlined
tools/nolibc/string: do not use __builtin_strlen() at -O0
tools/nolibc: add the nolibc subdir to the common Makefile
tools/nolibc: add a makefile to install headers
tools/nolibc/types: add poll() and waitpid() flag definitions
tools/nolibc/sys: add syscall definition for getppid()
tools/nolibc/string: add strcmp() and strncmp()
tools/nolibc/stdio: add support for '%p' to vfprintf()
tools/nolibc/stdlib: add a simple getenv() implementation
tools/nolibc/stdio: make printf(%s) accept NULL
tools/nolibc/stdlib: implement abort()
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Merge int340x thermal driver updates, PCH thermal driver updates and
miscellaneous thermal control updates for 5.19-rc1:
- Clean up _OSC handling in int340x (Davidlohr Bueso).
- Improve overheat condition handling during suspend-to-idle in the
Intel PCH thermal driver (Zhang Rui).
- Use local ops instead of global ops in devfreq_cooling (Kant Fan).
- Switch hisi_termal from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
(Hesham Almatary)
* thermal-int340x:
thermal: int340x: Clean up _OSC context init
thermal: int340x: Consolidate freeing of acpi_buffer pointer
thermal: int340x: Clean up unnecessary acpi_buffer pointer freeing
* thermal-pch:
thermal: intel: pch: improve the cooling delay log
thermal: intel: pch: enhance overheat handling
thermal: intel: pch: move cooling delay to suspend_noirq phase
PM: wakeup: expose pm_wakeup_pending to modules
* thermal-misc:
thermal: devfreq_cooling: use local ops instead of global ops
thermal: hisi_termal: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
- Allow runtime services to be re-enabled at boot on RT kernels.
- Provide access to secrets injected into the boot image by CoCo
hypervisors (COnfidential COmputing)
- Use DXE services on x86 to make the boot image executable after
relocation, if needed.
- Prefer mirrored memory for randomized allocations.
- Only randomize the placement of the kernel image on arm64 if the
loader has not already done so.
- Add support for obtaining the boot hartid from EFI on RISC-V.
* tag 'efi-next-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
riscv/efi_stub: Add support for RISCV_EFI_BOOT_PROTOCOL
efi: stub: prefer mirrored memory for randomized allocations
efi/arm64: libstub: run image in place if randomized by the loader
efi: libstub: pass image handle to handle_kernel_image()
efi: x86: Set the NX-compatibility flag in the PE header
efi: libstub: ensure allocated memory to be executable
efi: libstub: declare DXE services table
efi: Add missing prototype for efi_capsule_setup_info
docs: security: Add secrets/coco documentation
efi: Register efi_secret platform device if EFI secret area is declared
virt: Add efi_secret module to expose confidential computing secrets
efi: Save location of EFI confidential computing area
efi: Allow to enable EFI runtime services by default on RT
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Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/bpf/20220521111145.81697-84-Julia.Lawall@inria.fr
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Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Daniel Müller <deso@posteo.net>
Link: https://lore.kernel.org/bpf/20220521111145.81697-71-Julia.Lawall@inria.fr
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Get rid of redundant assignments which end up in values not being
read either because they are overwritten or the function ends.
Reported by clang-tidy [deadcode.DeadStores]
Signed-off-by: Michal Orzel <michalorzel.eng@gmail.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
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Merge power management tools updates for 5.19-rc1:
- Update turbostat to version 2022.04.16 including the following
changes:
* No build warnings with -Wextra (Len Brown).
* Tweak --show and --hide capability (Len Brown).
* Be more useful as non-root (Len Brown).
* Fix ICX DRAM power numbers (Len Brown).
* Fix dump for AMD cpus (Dan Merillat).
* Add Power Limit4 support (Sumeet Pawnikar).
* Print power values upto three decimal (Sumeet Pawnikar).
* Allow -e for all names (Zephaniah E. Loss-Cutler-Hull).
* Allow printing header every N iterations (Zephaniah E.
Loss-Cutler-Hull).
* Support thermal throttle count print (Chen Yu).
* pm-tools:
tools/power turbostat: version 2022.04.16
tools/power turbostat: No build warnings with -Wextra
tools/power turbostat: be more useful as non-root
tools/power turbostat: fix ICX DRAM power numbers
tools/power turbostat: Support thermal throttle count print
tools/power turbostat: Allow printing header every N iterations
tools/power turbostat: Allow -e for all names.
tools/power turbostat: print power values upto three decimal
tools/power turbostat: Add Power Limit4 support
tools/power turbostat: fix dump for AMD cpus
tools/power turbostat: tweak --show and --hide capability
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Merge generlic power domains update for 5.19-rc1:
- Extend dev_pm_domain_detach() doc (Krzysztof Kozlowski).
- Move genpd's time-accounting to ktime_get_mono_fast_ns() (Ulf
Hansson).
- Improve the way genpd deals with its governors (Ulf Hansson).
* pm-domains:
PM: domains: Trust domain-idle-states from DT to be correct by genpd
PM: domains: Measure power-on/off latencies in genpd based on a governor
PM: domains: Allocate governor data dynamically based on a genpd governor
PM: domains: Clean up some code in pm_genpd_init() and genpd_remove()
PM: domains: Fix initialization of genpd's next_wakeup
PM: domains: Fixup QoS latency measurements for IRQ safe devices in genpd
PM: domains: Measure suspend/resume latencies in genpd based on governor
PM: domains: Move the next_wakeup variable into the struct gpd_timing_data
PM: domains: Allocate gpd_timing_data dynamically based on governor
PM: domains: Skip another warning in irq_safe_dev_in_sleep_domain()
PM: domains: Rename irq_safe_dev_in_no_sleep_domain() in genpd
PM: domains: Don't check PM_QOS_FLAG_NO_POWER_OFF in genpd
PM: domains: Drop redundant code for genpd always-on governor
PM: domains: Add GENPD_FLAG_RPM_ALWAYS_ON for the always-on governor
PM: domains: Move genpd's time-accounting to ktime_get_mono_fast_ns()
PM: domains: Extend dev_pm_domain_detach() doc
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Merge cpufreq updates for 5.19-rc1:
- Fix cpufreq governor clean up code to avoid using kfree() directly
to free kobject-based items (Kevin Hao).
- Prepare cpufreq for powerpc's asm/prom.h cleanup (Christophe Leroy).
- Make intel_pstate notify frequency invariance code when no_turbo is
turned on and off (Chen Yu).
- Add Sapphire Rapids OOB mode support to intel_pstate (Srinivas
Pandruvada).
- Make cpufreq avoid unnecessary frequency updates due to mismatch
between hardware and the frequency table (Viresh Kumar).
- Make remove_cpu_dev_symlink() clear the real_cpus mask to simplify
code (Viresh Kumar).
- Rearrange cpufreq_offline() and cpufreq_remove_dev() to make the
calling convention for some driver callbacks consistent (Rafael
Wysocki).
- Avoid accessing half-initialized cpufreq policies from the show()
and store() sysfs functions (Schspa Shi).
- Rearrange cpufreq_offline() to make the calling convention for some
driver callbacks consistent (Schspa Shi).
- Update CPPC handling in cpufreq (Pierre Gondois):
* Add per_cpu efficiency_class to the CPPC driver.
* Make the CPPC driver Register EM based on efficiency class
information.
* Adjust _OSC for flexible address space in the ACPI platform
initialization code and always set CPPC _OSC bits if CPPC_LIB is
supported.
* Assume no transition latency if no PCCT in the CPPC driver.
* Add fast_switch and dvfs_possible_from_any_cpu support to the CPPC
driver.
* pm-cpufreq:
cpufreq: CPPC: Enable dvfs_possible_from_any_cpu
cpufreq: CPPC: Enable fast_switch
ACPI: CPPC: Assume no transition latency if no PCCT
ACPI: bus: Set CPPC _OSC bits for all and when CPPC_LIB is supported
ACPI: CPPC: Check _OSC for flexible address space
cpufreq: make interface functions and lock holding state clear
cpufreq: Abort show()/store() for half-initialized policies
cpufreq: Rearrange locking in cpufreq_remove_dev()
cpufreq: Split cpufreq_offline()
cpufreq: Reorganize checks in cpufreq_offline()
cpufreq: Clear real_cpus mask from remove_cpu_dev_symlink()
cpufreq: intel_pstate: Support Sapphire Rapids OOB mode
Revert "cpufreq: Fix possible race in cpufreq online error path"
cpufreq: CPPC: Register EM based on efficiency class information
cpufreq: CPPC: Add per_cpu efficiency_class
cpufreq: Avoid unnecessary frequency updates due to mismatch
cpufreq: Fix possible race in cpufreq online error path
cpufreq: intel_pstate: Handle no_turbo in frequency invariance
cpufreq: Prepare cleanup of powerpc's asm/prom.h
cpufreq: governor: Use kobject release() method to free dbs_data
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Johan Hovold has pointed out that there are several deficiencies and a
race condition in the regmap_mux_safe ops that were merged. Pipe clocks
has been updated to use newer and simpler clk_regmap_phy_mux_ops. Drop
the regmap-mux-safe clock ops now.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220521005343.1429642-4-dmitry.baryshkov@linaro.org
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clocks"
Johan Hovold has pointed out that there are several deficiencies and a
race condition in the regmap_mux_safe ops that were merged. Revert the
commit that switches gcc-sc7280 driver to use regmap_mux_safe.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220521005343.1429642-3-dmitry.baryshkov@linaro.org
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clocks"
Johan Hovold has pointed out that there are several deficiencies and a
race condition in the regmap_mux_safe ops that were merged. Revert the
commit that switches gcc-sm8450 driver to use regmap_mux_safe.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220521005343.1429642-2-dmitry.baryshkov@linaro.org
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Marge Energy Model support updates and cpuidle updates for 5.19-rc1:
- Update the Energy Model support code to allow the Energy Model to be
artificial, which means that the power values may not be on a uniform
scale with other devices providing power information, and update the
cpufreq_cooling and devfreq_cooling thermal drivers to support
artificial Energy Models (Lukasz Luba).
- Make DTPM check the Energy Model type (Lukasz Luba).
- Fix policy counter decrementation in cpufreq if Energy Model is in
use (Pierre Gondois).
- Add AlderLake processor support to the intel_idle driver (Zhang Rui).
- Fix regression leading to no genpd governor in the PSCI cpuidle
driver and fix the riscv-sbi cpuidle driver to allow a genpd
governor to be used (Ulf Hansson).
* pm-em:
PM: EM: Decrement policy counter
powercap: DTPM: Check for Energy Model type
thermal: cooling: Check Energy Model type in cpufreq_cooling and devfreq_cooling
Documentation: EM: Add artificial EM registration description
PM: EM: Remove old debugfs files and print all 'flags'
PM: EM: Change the order of arguments in the .active_power() callback
PM: EM: Use the new .get_cost() callback while registering EM
PM: EM: Add artificial EM flag
PM: EM: Add .get_cost() callback
* pm-cpuidle:
cpuidle: riscv-sbi: Fix code to allow a genpd governor to be used
cpuidle: psci: Fix regression leading to no genpd governor
intel_idle: Add AlderLake support
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Merge PM core changes, updates related to system sleep and power capping
updates for 5.19-rc1:
- Export dev_pm_ops instead of suspend() and resume() in the IIO
chemical scd30 driver (Jonathan Cameron).
- Add namespace variants of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and
PM-runtime counterparts (Jonathan Cameron).
- Move symbol exports in the IIO chemical scd30 driver into the
IIO_SCD30 namespace (Jonathan Cameron).
- Avoid device PM-runtime usage count underflows (Rafael Wysocki).
- Allow dynamic debug to control printing of PM messages (David
Cohen).
- Fix some kernel-doc comments in hibernation code (Yang Li, Haowen
Bai).
- Preserve ACPI-table override during hibernation (Amadeusz Sławiński).
- Improve support for suspend-to-RAM for PSCI OSI mode (Ulf Hansson).
- Make Intel RAPL power capping driver support the RaptorLake and
AlderLake N processors (Zhang Rui, Sumeet Pawnikar).
- Remove redundant store to value after multiply in the RAPL power
capping driver (Colin Ian King).
* pm-core:
PM: runtime: Avoid device usage count underflows
iio: chemical: scd30: Move symbol exports into IIO_SCD30 namespace
PM: core: Add NS varients of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and runtime pm equiv
iio: chemical: scd30: Export dev_pm_ops instead of suspend() and resume()
* pm-sleep:
cpuidle: PSCI: Improve support for suspend-to-RAM for PSCI OSI mode
PM: runtime: Allow to call __pm_runtime_set_status() from atomic context
PM: hibernate: Don't mark comment as kernel-doc
x86/ACPI: Preserve ACPI-table override during hibernation
PM: hibernate: Fix some kernel-doc comments
PM: sleep: enable dynamic debug support within pm_pr_dbg()
PM: sleep: Narrow down -DDEBUG on kernel/power/ files
* powercap:
powercap: intel_rapl: remove redundant store to value after multiply
powercap: intel_rapl: add support for ALDERLAKE_N
powercap: RAPL: Add Power Limit4 support for RaptorLake
powercap: intel_rapl: add support for RaptorLake
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Now that the schema tools can extract type information for all
properties (in order to decode dtb files), finding properties missing
any type definition is fairly trivial though not yet automated.
Fix the various property schemas which are missing a type. Most of these
tend to be device specific properties which don't have a vendor prefix.
A vendor prefix is how we normally ensure a type is defined.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org> # for everything in .../bindings/display/
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Peter Rosin <peda@axentia.se>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20220519211411.2200720-1-robh@kernel.org
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Merge APEI material, changes related to DPTF, ACPI-related x86 cleanup
and documentation improvement for 5.19-rc1:
- Fix missing ERST record ID in the APEI code (Liu Xinpeng).
- Make APEI error injection to refuse to inject into the zero
page (Tony Luck).
- Correct description of INT3407 / INT3532 DPTF attributes in sysfs
(Sumeet Pawnikar).
- Add support for high frequency impedance notification to the DPTF
driver (Sumeet Pawnikar).
- Make mp_config_acpi_gsi() a void function (Li kunyu).
- Unify Package () representation for properties in the ACPI device
properties documentation (Andy Shevchenko).
* acpi-apei:
ACPI, APEI, EINJ: Refuse to inject into the zero page
ACPI: APEI: Fix missing ERST record id
* acpi-dptf:
ACPI: DPTF: Add support for high frequency impedance notification
ACPI: DPTF: Correct description of INT3407 / INT3532 attributes
* acpi-x86:
x86: ACPI: Make mp_config_acpi_gsi() a void function
* acpi-docs:
ACPI: docs: enumeration: Unify Package () for properties (part 2)
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Merge power management, PCI and sysfs-related material and changes
related to handling ACPI tables for 5.19-rc1:
- Improve debug messages in the ACPI device PM code (Rafael Wysocki).
- Block ASUS B1400CEAE from suspend to idle by default (Mario
Limonciello).
- Improve handling of PCI devices that are in D3cold during system
initialization (Rafael Wysocki).
- Fix BERT error region memory mapping (Lorenzo Pieralisi).
- Add support for NVIDIA 16550-compatible port subtype to the SPCR
parsing code (Jeff Brasen).
- Use static for BGRT_SHOW kobj_attribute defines (Tom Rix).
- Fix missing prototype warning for acpi_agdi_init() (Ilkka Koskinen).
* acpi-pm:
ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default
ACPI: PM: Always print final debug message in acpi_device_set_power()
ACPI: PM: Unify debug messages in acpi_device_set_power()
ACPI: PM: Change pr_fmt() in device_pm.c
ACPI: PM: Convert debug message in acpi_device_get_power()
* acpi-pci:
ACPI: bus: Avoid non-ACPI device objects in walks over children
PCI: ACPI: PM: Power up devices in D3cold before scanning them
ACPI: PM: Introduce acpi_dev_power_up_children_with_adr()
ACPI: bus: Introduce acpi_dev_for_each_child()
* acpi-sysfs:
ACPI: sysfs: Fix BERT error region memory mapping
* acpi-tables:
ACPI: AGDI: Fix missing prototype warning for acpi_agdi_init()
ACPI: BGRT: use static for BGRT_SHOW kobj_attribute defines
ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype
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Maciej Fijalkowski has gracefully accepted to become the third
maintainer for the AF_XDP code. Thank you Maciej!
Signed-off-by: Magnus Karlsson <magnus.karlsson@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Björn Töpel <bjorn@kernel.org>
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Link: https://lore.kernel.org/bpf/20220523083254.32285-1-magnus.karlsson@gmail.com
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Merge ACPICA material for 5.19-rc1:
- Add support for the Windows 11 _OSI string (Mario Limonciello)
- Add the CFMWS subtable to the CEDT table (Lawrence Hileman).
- iASL: NHLT: Treat Terminator as specific_config (Piotr Maziarz).
- iASL: NHLT: Fix parsing undocumented bytes at the end of Endpoint
Descriptor (Piotr Maziarz).
- iASL: NHLT: Rename linux specific strucures to device_info (Piotr
Maziarz).
- Add new ACPI 6.4 semantics to Load() and LoadTable() (Bob Moore).
- Clean up double word in comment (Tom Rix).
- Update copyright notices to the year 2022 (Bob Moore).
- Remove some tabs and // comments - automated cleanup (Bob Moore).
- Replace zero-length array with flexible-array member (Gustavo A. R.
Silva).
- Interpreter: Add units to time variable names (Paul Menzel).
- Add support for ARM Performance Monitoring Unit Table (Besar
Wicaksono).
- Inform users about ACPI spec violation related to sleep length (Paul
Menzel).
- iASL/MADT: Add OEM-defined subtable (Bob Moore).
- Interpreter: Fix some typo mistakes (Selvarasu Ganesan).
- Updates for revision E.d of IORT (Shameer Kolothum).
- Use ACPI_FORMAT_UINT64 for 64-bit output (Bob Moore).
- Update version to 20220331 (Bob Moore).
* acpica: (21 commits)
Revert "ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms"
ACPICA: Update version to 20220331
ACPICA: exsystem.c: Use ACPI_FORMAT_UINT64 for 64-bit output
ACPICA: IORT: Updates for revision E.d
ACPICA: executer/exsystem: Fix some typo mistakes
ACPICA: iASL/MADT: Add OEM-defined subtable
ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms
ACPICA: executer/exsystem: Inform users about ACPI spec violation
ACPICA: Add support for ARM Performance Monitoring Unit Table.
ACPICA: executer/exsystem: Add units to time variable names
ACPICA: Headers: Replace zero-length array with flexible-array member
ACPICA: Removed some tabs and // comments
ACPICA: Update copyright notices to the year 2022
ACPICA: Clean up double word in comment
ACPICA: Add new ACPI 6.4 semantics for LoadTable() operator
ACPICA: Add new ACPI 6.4 semantics to the Load() operator
ACPICA: iASL: NHLT: Rename linux specific strucures to device_info
ACPICA: iASL: NHLT: Fix parsing undocumented bytes at the end of Endpoint Descriptor
ACPICA: iASL: NHLT: Treat Terminator as specific_config
ACPICA: Add the subtable CFMWS to the CEDT table
...
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This reverts commit b20eee62ee89aba03261a1abac80f29abea5bdf5. The
example has just been removed altogether in the mailbox tree.
Reported-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Currently, CONFIG_MODVERSIONS needs extra link to embed the symbol
versions into ELF objects. Then, modpost extracts the version CRCs
from them.
The following figures show how it currently works, and how I am trying
to change it.
Current implementation
======================
|----------|
embed CRC -------------------------->| final |
$(CC) $(LD) / |---------| | link for |
-----> *.o -------> *.o -->| modpost | | vmlinux |
/ / | |-- *.mod.c -->| or |
/ genksyms / |---------| | module |
*.c ------> *.symversions |----------|
Genksyms outputs the calculated CRCs in the form of linker script
(*.symversions), which is used by $(LD) to update the object.
If CONFIG_LTO_CLANG=y, the build process is much more complex. Embedding
the CRCs is postponed until the LLVM bitcode is converted into ELF,
creating another intermediate *.prelink.o.
However, this complexity is unneeded. There is no reason why we must
embed version CRCs in objects so early.
There is final link stage for vmlinux (scripts/link-vmlinux.sh) and
modules (scripts/Makefile.modfinal). We can link CRCs at the very last
moment.
New implementation
==================
|----------|
--------------------------------------->| final |
$(CC) / |---------| | link for |
-----> *.o ---->| | | vmlinux |
/ | modpost |--- .vmlinux.export.c -->| or |
/ genksyms | |--- *.mod.c ------------>| module |
*.c ------> *.cmd -->|---------| |----------|
Pass the symbol versions to modpost as separate text data, which are
available in *.cmd files.
This commit changes modpost to extract CRCs from *.cmd files instead of
from ELF objects.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
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find_symbol() returns the first symbol found in the hash table. This
table is global, so it may return a symbol from an unexpected module.
There is a case where we want to search for a symbol with a given name
in a specified module.
Add sym_find_with_module(), which receives the module pointer as the
second argument. It is equivalent to find_module() if NULL is passed
as the module pointer.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
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Create a maintainer entry for CAAM trusted keys in the Linux keyring.
Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Update documentation for trusted key use with the Cryptographic
Acceleration and Assurance Module (CAAM), an IP on NXP SoCs.
Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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The Cryptographic Acceleration and Assurance Module (CAAM) is an IP core
built into many newer i.MX and QorIQ SoCs by NXP.
The CAAM does crypto acceleration, hardware number generation and
has a blob mechanism for encapsulation/decapsulation of sensitive material.
This blob mechanism depends on a device specific random 256-bit One Time
Programmable Master Key that is fused in each SoC at manufacturing
time. This key is unreadable and can only be used by the CAAM for AES
encryption/decryption of user data.
This makes it a suitable backend (source) for kernel trusted keys.
Previous commits generalized trusted keys to support multiple backends
and added an API to access the CAAM blob mechanism. Based on these,
provide the necessary glue to use the CAAM for trusted keys.
Reviewed-by: David Gstir <david@sigma-star.at>
Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Tested-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Tested-by: Michael Walle <michael@walle.cc> # on ls1028a (non-E and E)
Tested-by: John Ernberg <john.ernberg@actia.se> # iMX8QXP
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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The NXP Cryptographic Acceleration and Assurance Module (CAAM)
can be used to protect user-defined data across system reboot:
- When the system is fused and boots into secure state, the master
key is a unique never-disclosed device-specific key
- random key is encrypted by key derived from master key
- data is encrypted using the random key
- encrypted data and its encrypted random key are stored alongside
- This blob can now be safely stored in non-volatile memory
On next power-on:
- blob is loaded into CAAM
- CAAM writes decrypted data either into memory or key register
Add functions to realize encrypting and decrypting into memory alongside
the CAAM driver.
They will be used in a later commit as a source for the trusted key
seal/unseal mechanism.
Reviewed-by: David Gstir <david@sigma-star.at>
Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Tested-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Tested-by: Michael Walle <michael@walle.cc> # on ls1028a (non-E and E)
Tested-by: John Ernberg <john.ernberg@actia.se> # iMX8QXP
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Depending on SoC variant, a CAAM may be available, but with some futures
fused out. The LS1028A (non-E) SoC is one such SoC and while it
indicates BLOB support, BLOB operations will ultimately fail, because
there is no AES support. Add a new blob_present member to reflect
whether both BLOB support and the AES support it depends on is
available.
These will be used in a follow-up commit to allow blob driver
initialization to error out on SoCs without the necessary hardware
support instead of failing at runtime with a cryptic
caam_jr 8020000.jr: 20000b0f: CCB: desc idx 11: : Invalid CHA selected.
Co-developed-by: Michael Walle <michael@walle.cc>
Signed-off-by: Michael Walle <michael@walle.cc>
Tested-by: Michael Walle <michael@walle.cc> # on ls1028a (non-E and E)
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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The two existing trusted key sources don't make use of the kernel RNG,
but instead let the hardware doing the sealing/unsealing also
generate the random key material. However, both users and future
backends may want to place less trust into the quality of the trust
source's random number generator and instead reuse the kernel entropy
pool, which can be seeded from multiple entropy sources.
Make this possible by adding a new trusted.rng parameter,
that will force use of the kernel RNG. In its absence, it's up
to the trust source to decide, which random numbers to use,
maintaining the existing behavior.
Suggested-by: Jarkko Sakkinen <jarkko@kernel.org>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Acked-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Reviewed-by: David Gstir <david@sigma-star.at>
Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Tested-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Tested-by: Michael Walle <michael@walle.cc> # on ls1028a (non-E and E)
Tested-by: John Ernberg <john.ernberg@actia.se> # iMX8QXP
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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With recent rework, trusted keys are no longer limited to TPM as trust
source. The Kconfig symbol is unchanged however leading to a few issues:
- TCG_TPM is required, even if only TEE is to be used
- Enabling TCG_TPM, but excluding it from available trusted sources
is not possible
- TEE=m && TRUSTED_KEYS=y will lead to TEE support being silently
dropped, which is not the best user experience
Remedy these issues by introducing two new boolean Kconfig symbols:
TRUSTED_KEYS_TPM and TRUSTED_KEYS_TEE with the appropriate
dependencies.
Any new code depending on the TPM trusted key backend in particular
or symbols exported by it will now need to explicitly state that it
depends on TRUSTED_KEYS && TRUSTED_KEYS_TPM
The latter to ensure the dependency is built and the former to ensure
it's reachable for module builds. There are no such users yet.
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Tested-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Tested-by: Andreas Rammhold <andreas@rammhold.de>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Michael Walle <michael@walle.cc> # on ls1028a (non-E and E)
Tested-by: John Ernberg <john.ernberg@actia.se> # iMX8QXP
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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TPM2_GetCapability with a capability that has the property type value
of TPM_PT_TOTAL_COMMANDS returns a zero length list, when an Infineon
TPM2 is in field upgrade mode.
Since an Infineon TPM2.0 in field upgrade mode returns RC_SUCCESS on
TPM2_Startup, the field upgrade mode has to be detected by
TPM2_GetCapability.
Signed-off-by: Stefan Mahnke-Hartmann <stefan.mahnke-hartmann@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Under certain conditions uninitialized memory will be accessed.
As described by TCG Trusted Platform Module Library Specification,
rev. 1.59 (Part 3: Commands), if a TPM2_GetCapability is received,
requesting a capability, the TPM in field upgrade mode may return a
zero length list.
Check the property count in tpm2_get_tpm_pt().
Fixes: 2ab3241161b3 ("tpm: migrate tpm2_get_tpm_pt() to use struct tpm_buf")
Cc: stable@vger.kernel.org
Signed-off-by: Stefan Mahnke-Hartmann <stefan.mahnke-hartmann@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Returning an error value in an i2c remove callback results in an error
message being emitted by the i2c core, but otherwise it doesn't make a
difference. The device goes away anyhow and the devm cleanups are
called.
As tpm_cr50_i2c_remove() emits an error message already and the
additional error message by the i2c core doesn't add any useful
information, change the return value to zero to suppress this error
message.
Note that if i2c_clientdata is NULL, there is something really fishy.
Assuming no memory corruption happened (then all bets are lost anyhow),
tpm_cr50_i2c_remove() is only called after tpm_cr50_i2c_probe() returned
successfully. So there was a tpm chip registered before and after
tpm_cr50_i2c_remove() its privdata is freed but the associated character
device isn't removed. If after that happened userspace accesses the
character device it's likely that the freed memory is accessed. For that
reason the warning message is made a bit more frightening.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Accept one additional numerical value of DID:VID for next generation
Google TPM with new firmware, to be used in future Chromebooks.
The TPM with the new firmware has the code name TI50, and is going to
use the same interfaces.
Signed-off-by: Jes B. Klinke <jbk@chromium.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Only tpm_tis and tpm_tis_synquacer have a dedicated way to access
multiple bytes at once, every other driver will just fall back to
read_bytes/write_bytes. Therefore, remove the read16/read32/write32
calls and move their logic to read_bytes/write_bytes.
Suggested-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Johannes Holland <johannes.holland@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Currently it returns zero when CRQ response timed out, it should return
an error code instead.
Fixes: d8d74ea3c002 ("tpm: ibmvtpm: Wait for buffer to be set before proceeding")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Return boolean values ("true" or "false") instead of 1 or 0 from bool
functions.
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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The blacklist_init() function calls panic() for memory allocation
errors. This change documents the reason why we don't return -ENODEV.
Link: https://lore.kernel.org/r/20220322111323.542184-2-mic@digikod.net
Link: https://lore.kernel.org/r/YjeW2r6Wv55Du0bJ@iki.fi
Suggested-by: Paul Moore <paul@paul-moore.com>
Reviewed-by: Paul Moore <paul@paul-moore.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Add a kernel option SYSTEM_BLACKLIST_AUTH_UPDATE to enable the root user
to dynamically add new keys to the blacklist keyring. This enables to
invalidate new certificates, either from being loaded in a keyring, or
from being trusted in a PKCS#7 certificate chain. This also enables to
add new file hashes to be denied by the integrity infrastructure.
Being able to untrust a certificate which could have normaly been
trusted is a sensitive operation. This is why adding new hashes to the
blacklist keyring is only allowed when these hashes are signed and
vouched by the builtin trusted keyring. A blacklist hash is stored as a
key description. The PKCS#7 signature of this description must be
provided as the key payload.
Marking a certificate as untrusted should be enforced while the system
is running. It is then forbiden to remove such blacklist keys.
Update blacklist keyring, blacklist key and revoked certificate access
rights:
* allows the root user to search for a specific blacklisted hash, which
make sense because the descriptions are already viewable;
* forbids key update (blacklist and asymmetric ones);
* restricts kernel rights on the blacklist keyring to align with the
root user rights.
See help in tools/certs/print-cert-tbs-hash.sh .
Cc: David Howells <dhowells@redhat.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Eric Snowberg <eric.snowberg@oracle.com>
Cc: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Link: https://lore.kernel.org/r/20210712170313.884724-6-mic@digikod.net
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Tested-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Add and use a check-blacklist-hashes.awk script to make sure that the
builtin blacklist hashes set with CONFIG_SYSTEM_BLACKLIST_HASH_LIST will
effectively be taken into account as blacklisted hashes. This is useful
to debug invalid hash formats, and it make sure that previous hashes
which could have been loaded in the kernel, but silently ignored, are
now noticed and deal with by the user at kernel build time.
This also prevent stricter blacklist key description checking (provided
by following commits) to failed for builtin hashes.
Update CONFIG_SYSTEM_BLACKLIST_HASH_LIST help to explain the content of
a hash string and how to generate certificate ones.
Cc: David Howells <dhowells@redhat.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Eric Snowberg <eric.snowberg@oracle.com>
Cc: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Link: https://lore.kernel.org/r/20210712170313.884724-3-mic@digikod.net
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Before exposing this new key type to user space, make sure that only
meaningful blacklisted hashes are accepted. This is also checked for
builtin blacklisted hashes, but a following commit make sure that the
user will notice (at built time) and will fix the configuration if it
already included errors.
Check that a blacklist key description starts with a valid prefix and
then a valid hexadecimal string.
Cc: David Howells <dhowells@redhat.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Eric Snowberg <eric.snowberg@oracle.com>
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/r/20210712170313.884724-4-mic@digikod.net
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Factor out the blacklist hash creation with the get_raw_hash() helper.
This also centralize the "tbs" and "bin" prefixes and make them private,
which help to manage them consistently.
Cc: David Howells <dhowells@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Eric Snowberg <eric.snowberg@oracle.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Link: https://lore.kernel.org/r/20210712170313.884724-5-mic@digikod.net
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Add a new helper print-cert-tbs-hash.sh to generate a TBSCertificate
hash from a given certificate. This is useful to generate a blacklist
key description used to forbid loading a specific certificate in a
keyring, or to invalidate a certificate provided by a PKCS#7 file.
This kind of hash formatting is required to populate the file pointed
out by CONFIG_SYSTEM_BLACKLIST_HASH_LIST, but only the kernel code was
available to understand how to effectively create such hash.
Cc: David Howells <dhowells@redhat.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Eric Snowberg <eric.snowberg@oracle.com>
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/r/20210712170313.884724-2-mic@digikod.net
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Link: https://lore.kernel.org/r/20220521111145.81697-32-Julia.Lawall@inria.fr
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Jan Kara <jack@suse.cz>
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This instance is the only opencoded version of the macro, so have it
follow suit.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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A 's/pf/of/' on rpmsg-name description.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220512013921.164637-2-swboyd@chromium.org
|
