ordinary user mode tasks.
In commit 40966e316f ("kthread: Ensure struct kthread is present for
all kthreads") caused init and the user mode helper threads that call
kernel_execve to have struct kthread allocated for them. This struct
kthread going away during execve in turned made a use after free of
struct kthread possible.
The commit 343f4c49f2 ("kthread: Don't allocate kthread_struct for
init and umh") is enough to fix the use after free and is simple enough
to be backportable.
The rest of the changes pass struct kernel_clone_args to clean things
up and cause the code to make sense.
In making init and the user mode helpers tasks purely user mode tasks
I ran into two complications. The function task_tick_numa was
detecting tasks without an mm by testing for the presence of
PF_KTHREAD. The initramfs code in populate_initrd_image was using
flush_delayed_fput to ensuere the closing of all it's file descriptors
was complete, and flush_delayed_fput does not work in a userspace thread.
I have looked and looked and more complications and in my code review
I have not found any, and neither has anyone else with the code sitting
in linux-next.
Link: https://lkml.kernel.org/r/87mtfu4up3.fsf@email.froward.int.ebiederm.org
Eric W. Biederman (8):
kthread: Don't allocate kthread_struct for init and umh
fork: Pass struct kernel_clone_args into copy_thread
fork: Explicity test for idle tasks in copy_thread
fork: Generalize PF_IO_WORKER handling
init: Deal with the init process being a user mode process
fork: Explicitly set PF_KTHREAD
fork: Stop allowing kthreads to call execve
sched: Update task_tick_numa to ignore tasks without an mm
arch/alpha/kernel/process.c | 13 ++++++------
arch/arc/kernel/process.c | 13 ++++++------
arch/arm/kernel/process.c | 12 ++++++-----
arch/arm64/kernel/process.c | 12 ++++++-----
arch/csky/kernel/process.c | 15 ++++++-------
arch/h8300/kernel/process.c | 10 ++++-----
arch/hexagon/kernel/process.c | 12 ++++++-----
arch/ia64/kernel/process.c | 15 +++++++------
arch/m68k/kernel/process.c | 12 ++++++-----
arch/microblaze/kernel/process.c | 12 ++++++-----
arch/mips/kernel/process.c | 13 ++++++------
arch/nios2/kernel/process.c | 12 ++++++-----
arch/openrisc/kernel/process.c | 12 ++++++-----
arch/parisc/kernel/process.c | 18 +++++++++-------
arch/powerpc/kernel/process.c | 15 +++++++------
arch/riscv/kernel/process.c | 12 ++++++-----
arch/s390/kernel/process.c | 12 ++++++-----
arch/sh/kernel/process_32.c | 12 ++++++-----
arch/sparc/kernel/process_32.c | 12 ++++++-----
arch/sparc/kernel/process_64.c | 12 ++++++-----
arch/um/kernel/process.c | 15 +++++++------
arch/x86/include/asm/fpu/sched.h | 2 +-
arch/x86/include/asm/switch_to.h | 8 +++----
arch/x86/kernel/fpu/core.c | 4 ++--
arch/x86/kernel/process.c | 18 +++++++++-------
arch/xtensa/kernel/process.c | 17 ++++++++-------
fs/exec.c | 8 ++++---
include/linux/sched/task.h | 8 +++++--
init/initramfs.c | 2 ++
init/main.c | 2 +-
kernel/fork.c | 46 +++++++++++++++++++++++++++++++++-------
kernel/sched/fair.c | 2 +-
kernel/umh.c | 6 +++---
33 files changed, 234 insertions(+), 160 deletions(-)
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Merge tag 'kthread-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull kthread updates from Eric Biederman:
"This updates init and user mode helper tasks to be ordinary user mode
tasks.
Commit 40966e316f ("kthread: Ensure struct kthread is present for
all kthreads") caused init and the user mode helper threads that call
kernel_execve to have struct kthread allocated for them. This struct
kthread going away during execve in turned made a use after free of
struct kthread possible.
Here, commit 343f4c49f2 ("kthread: Don't allocate kthread_struct for
init and umh") is enough to fix the use after free and is simple
enough to be backportable.
The rest of the changes pass struct kernel_clone_args to clean things
up and cause the code to make sense.
In making init and the user mode helpers tasks purely user mode tasks
I ran into two complications. The function task_tick_numa was
detecting tasks without an mm by testing for the presence of
PF_KTHREAD. The initramfs code in populate_initrd_image was using
flush_delayed_fput to ensuere the closing of all it's file descriptors
was complete, and flush_delayed_fput does not work in a userspace
thread.
I have looked and looked and more complications and in my code review
I have not found any, and neither has anyone else with the code
sitting in linux-next"
* tag 'kthread-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
sched: Update task_tick_numa to ignore tasks without an mm
fork: Stop allowing kthreads to call execve
fork: Explicitly set PF_KTHREAD
init: Deal with the init process being a user mode process
fork: Generalize PF_IO_WORKER handling
fork: Explicity test for idle tasks in copy_thread
fork: Pass struct kernel_clone_args into copy_thread
kthread: Don't allocate kthread_struct for init and umh
- Initialise jump labels before setup_machine_fdt(), needed by commit
f5bda35fba ("random: use static branch for crng_ready()").
- Sparse warnings: missing prototype, incorrect __user annotation.
- Skip SVE kselftest if not sufficient vector lengths supported.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"Most of issues addressed were introduced during this merging window.
- Initialise jump labels before setup_machine_fdt(), needed by commit
f5bda35fba ("random: use static branch for crng_ready()").
- Sparse warnings: missing prototype, incorrect __user annotation.
- Skip SVE kselftest if not sufficient vector lengths supported"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
kselftest/arm64: signal: Skip SVE signal test if not enough VLs supported
arm64: Initialize jump labels before setup_machine_fdt()
arm64: hibernate: Fix syntax errors in comments
arm64: Remove the __user annotation for the restore_za_context() argument
ftrace/fgraph: fix increased missing-prototypes warnings
Here is the "big" set of USB and Thunderbolt driver changes for
5.18-rc1. For the most part it's been a quiet development cycle for the
USB core, but there are the usual "hot spots" of development activity.
Included in here are:
- Thunderbolt driver updates:
- fixes for devices without displayport adapters
- lane bonding support and improvements
- other minor changes based on device testing
- dwc3 gadget driver changes. It seems this driver will never
be finished given that the IP core is showing up in zillions
of new devices and each implementation decides to do something
different with it...
- uvc gadget driver updates as more devices start to use and
rely on this hardware as well
- usb_maxpacket() api changes to remove an unneeded and unused
parameter.
- usb-serial driver device id updates and small cleanups
- typec cleanups and fixes based on device testing
- device tree updates for usb properties
- lots of other small fixes and driver updates.
All of these have been in linux-next for weeks with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the "big" set of USB and Thunderbolt driver changes for
5.18-rc1. For the most part it's been a quiet development cycle for
the USB core, but there are the usual "hot spots" of development
activity.
Included in here are:
- Thunderbolt driver updates:
- fixes for devices without displayport adapters
- lane bonding support and improvements
- other minor changes based on device testing
- dwc3 gadget driver changes.
It seems this driver will never be finished given that the IP core
is showing up in zillions of new devices and each implementation
decides to do something different with it...
- uvc gadget driver updates as more devices start to use and rely on
this hardware as well
- usb_maxpacket() api changes to remove an unneeded and unused
parameter.
- usb-serial driver device id updates and small cleanups
- typec cleanups and fixes based on device testing
- device tree updates for usb properties
- lots of other small fixes and driver updates.
All of these have been in linux-next for weeks with no reported
problems"
* tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
USB: new quirk for Dell Gen 2 devices
usb: dwc3: core: Add error log when core soft reset failed
usb: dwc3: gadget: Move null pinter check to proper place
usb: hub: Simplify error and success path in port_over_current_notify
usb: cdns3: allocate TX FIFO size according to composite EP number
usb: dwc3: Fix ep0 handling when getting reset while doing control transfer
usb: Probe EHCI, OHCI controllers asynchronously
usb: isp1760: Fix out-of-bounds array access
xhci: Don't defer primary roothub registration if there is only one roothub
USB: serial: option: add Quectel BG95 modem
USB: serial: pl2303: fix type detection for odd device
xhci: Allow host runtime PM as default for Intel Alder Lake N xHCI
xhci: Remove quirk for over 10 year old evaluation hardware
xhci: prevent U2 link power state if Intel tier policy prevented U1
xhci: use generic command timer for stop endpoint commands.
usb: host: xhci-plat: omit shared hcd if either root hub has no ports
usb: host: xhci-plat: prepare operation w/o shared hcd
usb: host: xhci-plat: create shared hcd after having added main hcd
xhci: prepare for operation w/o shared hcd
xhci: factor out parts of xhci_gen_setup()
...
This is the second part of the general SoC updates, containing
everything that did not make it in the initial pull request,
or that came in as a bugfix later.
- Devicetree updates for SoCFPGA, ASPEED, AT91 and Rockchip, including
a new machine using an ASPEED BMC.
- More DT fixes from Krzysztof Kozlowski across platforms
- A new SoC platform for the GXP baseboard management controller,
used in current server products from HPE.
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Merge tag 'arm-late-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull more ARM SoC updates from Arnd Bergmann:
"This is the second part of the general SoC updates, containing
everything that did not make it in the initial pull request, or that
came in as a bugfix later.
- Devicetree updates for SoCFPGA, ASPEED, AT91 and Rockchip,
including a new machine using an ASPEED BMC.
- More DT fixes from Krzysztof Kozlowski across platforms
- A new SoC platform for the GXP baseboard management controller,
used in current server products from HPE"
* tag 'arm-late-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (56 commits)
ARM: configs: Enable more audio support for i.MX
tee: optee: Pass a pointer to virt_addr_valid()
arm64: dts: rockchip: rename Quartz64-A bluetooth gpios
arm64: dts: rockchip: add clocks property to cru node rk3368
arm64: dts: rockchip: add clocks property to cru node rk3308
arm64: dts: rockchip: add clocks to rk356x cru
ARM: dts: rockchip: add clocks property to cru node rk3228
ARM: dts: rockchip: add clocks property to cru node rk3036
ARM: dts: rockchip: add clocks property to cru node rk3066a/rk3188
ARM: dts: rockchip: add clocks property to cru node rk3288
ARM: dts: rockchip: Remove "amba" bus nodes from rv1108
ARM: dts: rockchip: add clocks property to cru node rv1108
arm64: dts: sprd: use new 'dma-channels' property
ARM: dts: da850: use new 'dma-channels' property
ARM: dts: pxa: use new 'dma-channels/requests' properties
soc: ixp4xx/qmgr: Fix unused match warning
ARM: ep93xx: Make ts72xx_register_flash() static
ARM: configs: enable support for Kontron KSwitch D10
ep93xx: clock: Do not return the address of the freed memory
arm64: dts: intel: add device tree for n6000
...
The struct user_ctx *user pointer passed to restore_za_context() is not
a user point but a structure containing several __user pointers. Remove
the __user annotation.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Fixes: 39782210eb ("arm64/sme: Implement ZA signal handling")
Reported-by: kernel test robot <lkp@intel.com>
Cc: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220601171338.2143625-1-catalin.marinas@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
* Support for the Svpbmt extension, which allows memory attributes to be
encoded in pages.
* Support for the Allwinner D1's implementation of page-based memory
attributes.
* Support for running rv32 binaries on rv64 systems, via the compat
subsystem.
* Support for kexec_file().
* Support for the new generic ticket-based spinlocks, which allows us to
also move to qrwlock. These should have already gone in through the
asm-geneic tree as well.
* A handful of cleanups and fixes, include some larger ones around
atomics and XIP.
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Merge tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for the Svpbmt extension, which allows memory attributes to
be encoded in pages
- Support for the Allwinner D1's implementation of page-based memory
attributes
- Support for running rv32 binaries on rv64 systems, via the compat
subsystem
- Support for kexec_file()
- Support for the new generic ticket-based spinlocks, which allows us
to also move to qrwlock. These should have already gone in through
the asm-geneic tree as well
- A handful of cleanups and fixes, include some larger ones around
atomics and XIP
* tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits)
RISC-V: Prepare dropping week attribute from arch_kexec_apply_relocations[_add]
riscv: compat: Using seperated vdso_maps for compat_vdso_info
RISC-V: Fix the XIP build
RISC-V: Split out the XIP fixups into their own file
RISC-V: ignore xipImage
RISC-V: Avoid empty create_*_mapping definitions
riscv: Don't output a bogus mmu-type on a no MMU kernel
riscv: atomic: Add custom conditional atomic operation implementation
riscv: atomic: Optimize dec_if_positive functions
riscv: atomic: Cleanup unnecessary definition
RISC-V: Load purgatory in kexec_file
RISC-V: Add purgatory
RISC-V: Support for kexec_file on panic
RISC-V: Add kexec_file support
RISC-V: use memcpy for kexec_file mode
kexec_file: Fix kexec_file.c build error for riscv platform
riscv: compat: Add COMPAT Kbuild skeletal support
riscv: compat: ptrace: Add compat_arch_ptrace implement
riscv: compat: signal: Add rt_frame implementation
riscv: add memory-type errata for T-Head
...
- Add Tegra234 cpufreq support (Sumit Gupta).
- Clean up and enhance the Mediatek cpufreq driver (Wan Jiabing,
Rex-BC Chen, and Jia-Wei Chang).
- Fix up the CPPC cpufreq driver after recent changes (Zheng Bin,
Pierre Gondois).
- Minor update to dt-binding for Qcom's opp-v2-kryo-cpu (Yassine
Oudjana).
- Use list iterator only inside the list_for_each_entry loop (Xiaomeng
Tong, and Jakob Koschel).
- New APIs related to finding OPP based on interconnect bandwidth
(Krzysztof Kozlowski).
- Fix the missing of_node_put() in _bandwidth_supported() (Dan
Carpenter).
- Cleanups (Krzysztof Kozlowski, and Viresh Kumar).
- Add Out of Band mode description to the intel-speed-select utility
documentation (Srinivas Pandruvada).
- Add power sequences support to the system reboot and power off
code and make related platform-specific changes for multiple
platforms (Dmitry Osipenko, Geert Uytterhoeven).
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Merge tag 'pm-5.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These update the ARM cpufreq drivers and fix up the CPPC cpufreq
driver after recent changes, update the OPP code and PM documentation
and add power sequences support to the system reboot and power off
code.
Specifics:
- Add Tegra234 cpufreq support (Sumit Gupta)
- Clean up and enhance the Mediatek cpufreq driver (Wan Jiabing,
Rex-BC Chen, and Jia-Wei Chang)
- Fix up the CPPC cpufreq driver after recent changes (Zheng Bin,
Pierre Gondois)
- Minor update to dt-binding for Qcom's opp-v2-kryo-cpu (Yassine
Oudjana)
- Use list iterator only inside the list_for_each_entry loop
(Xiaomeng Tong, and Jakob Koschel)
- New APIs related to finding OPP based on interconnect bandwidth
(Krzysztof Kozlowski)
- Fix the missing of_node_put() in _bandwidth_supported() (Dan
Carpenter)
- Cleanups (Krzysztof Kozlowski, and Viresh Kumar)
- Add Out of Band mode description to the intel-speed-select utility
documentation (Srinivas Pandruvada)
- Add power sequences support to the system reboot and power off code
and make related platform-specific changes for multiple platforms
(Dmitry Osipenko, Geert Uytterhoeven)"
* tag 'pm-5.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (60 commits)
cpufreq: CPPC: Fix unused-function warning
cpufreq: CPPC: Fix build error without CONFIG_ACPI_CPPC_CPUFREQ_FIE
Documentation: admin-guide: PM: Add Out of Band mode
kernel/reboot: Change registration order of legacy power-off handler
m68k: virt: Switch to new sys-off handler API
kernel/reboot: Add devm_register_restart_handler()
kernel/reboot: Add devm_register_power_off_handler()
soc/tegra: pmc: Use sys-off handler API to power off Nexus 7 properly
reboot: Remove pm_power_off_prepare()
regulator: pfuze100: Use devm_register_sys_off_handler()
ACPI: power: Switch to sys-off handler API
memory: emif: Use kernel_can_power_off()
mips: Use do_kernel_power_off()
ia64: Use do_kernel_power_off()
x86: Use do_kernel_power_off()
sh: Use do_kernel_power_off()
m68k: Switch to new sys-off handler API
powerpc: Use do_kernel_power_off()
xen/x86: Use do_kernel_power_off()
parisc: Use do_kernel_power_off()
...
Merge system power off handling rework from Dmitry Osipenko for
5.19-rc1.
This introduces a mechanism allowing power sequences to be used for
powering off the system and makes related changes in platform-specific
code for multiple platforms.
* pm-sysoff: (29 commits)
kernel/reboot: Change registration order of legacy power-off handler
m68k: virt: Switch to new sys-off handler API
kernel/reboot: Add devm_register_restart_handler()
kernel/reboot: Add devm_register_power_off_handler()
soc/tegra: pmc: Use sys-off handler API to power off Nexus 7 properly
reboot: Remove pm_power_off_prepare()
regulator: pfuze100: Use devm_register_sys_off_handler()
ACPI: power: Switch to sys-off handler API
memory: emif: Use kernel_can_power_off()
mips: Use do_kernel_power_off()
ia64: Use do_kernel_power_off()
x86: Use do_kernel_power_off()
sh: Use do_kernel_power_off()
m68k: Switch to new sys-off handler API
powerpc: Use do_kernel_power_off()
xen/x86: Use do_kernel_power_off()
parisc: Use do_kernel_power_off()
arm64: Use do_kernel_power_off()
riscv: Use do_kernel_power_off()
csky: Use do_kernel_power_off()
...
- Convert to the generic mmap support (ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT).
- Add support for outline-only KASAN with 64-bit Radix MMU (P9 or later).
- Increase SIGSTKSZ and MINSIGSTKSZ and add support for AT_MINSIGSTKSZ.
- Enable the DAWR (Data Address Watchpoint) on POWER9 DD2.3 or later.
- Drop support for system call instruction emulation.
- Many other small features and fixes.
Thanks to: Alexey Kardashevskiy, Alistair Popple, Andy Shevchenko, Bagas Sanjaya, Bjorn
Helgaas, Bo Liu, Chen Huang, Christophe Leroy, Colin Ian King, Daniel Axtens, Dwaipayan
Ray, Fabiano Rosas, Finn Thain, Frank Rowand, Fuqian Huang, Guilherme G. Piccoli, Hangyu
Hua, Haowen Bai, Haren Myneni, Hari Bathini, He Ying, Jason Wang, Jiapeng Chong, Jing
Yangyang, Joel Stanley, Julia Lawall, Kajol Jain, Kevin Hao, Krzysztof Kozlowski, Laurent
Dufour, Lv Ruyi, Madhavan Srinivasan, Magali Lemes, Miaoqian Lin, Minghao Chi, Nathan
Chancellor, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Oscar Salvador, Pali Rohár,
Paul Mackerras, Peng Wu, Qing Wang, Randy Dunlap, Reza Arbab, Russell Currey, Sohaib
Mohamed, Vaibhav Jain, Vasant Hegde, Wang Qing, Wang Wensheng, Xiang wangx, Xiaomeng Tong,
Xu Wang, Yang Guang, Yang Li, Ye Bin, YueHaibing, Yu Kuai, Zheng Bin, Zou Wei, Zucheng
Zheng.
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Merge tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Convert to the generic mmap support (ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT)
- Add support for outline-only KASAN with 64-bit Radix MMU (P9 or later)
- Increase SIGSTKSZ and MINSIGSTKSZ and add support for AT_MINSIGSTKSZ
- Enable the DAWR (Data Address Watchpoint) on POWER9 DD2.3 or later
- Drop support for system call instruction emulation
- Many other small features and fixes
Thanks to Alexey Kardashevskiy, Alistair Popple, Andy Shevchenko, Bagas
Sanjaya, Bjorn Helgaas, Bo Liu, Chen Huang, Christophe Leroy, Colin Ian
King, Daniel Axtens, Dwaipayan Ray, Fabiano Rosas, Finn Thain, Frank
Rowand, Fuqian Huang, Guilherme G. Piccoli, Hangyu Hua, Haowen Bai,
Haren Myneni, Hari Bathini, He Ying, Jason Wang, Jiapeng Chong, Jing
Yangyang, Joel Stanley, Julia Lawall, Kajol Jain, Kevin Hao, Krzysztof
Kozlowski, Laurent Dufour, Lv Ruyi, Madhavan Srinivasan, Magali Lemes,
Miaoqian Lin, Minghao Chi, Nathan Chancellor, Naveen N. Rao, Nicholas
Piggin, Oliver O'Halloran, Oscar Salvador, Pali Rohár, Paul Mackerras,
Peng Wu, Qing Wang, Randy Dunlap, Reza Arbab, Russell Currey, Sohaib
Mohamed, Vaibhav Jain, Vasant Hegde, Wang Qing, Wang Wensheng, Xiang
wangx, Xiaomeng Tong, Xu Wang, Yang Guang, Yang Li, Ye Bin, YueHaibing,
Yu Kuai, Zheng Bin, Zou Wei, and Zucheng Zheng.
* tag 'powerpc-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (200 commits)
powerpc/64: Include cache.h directly in paca.h
powerpc/64s: Only set HAVE_ARCH_UNMAPPED_AREA when CONFIG_PPC_64S_HASH_MMU is set
powerpc/xics: Include missing header
powerpc/powernv/pci: Drop VF MPS fixup
powerpc/fsl_book3e: Don't set rodata RO too early
powerpc/microwatt: Add mmu bits to device tree
powerpc/powernv/flash: Check OPAL flash calls exist before using
powerpc/powermac: constify device_node in of_irq_parse_oldworld()
powerpc/powermac: add missing g5_phy_disable_cpu1() declaration
selftests/powerpc/pmu: fix spelling mistake "mis-match" -> "mismatch"
powerpc: Enable the DAWR on POWER9 DD2.3 and above
powerpc/64s: Add CPU_FTRS_POWER10 to ALWAYS mask
powerpc/64s: Add CPU_FTRS_POWER9_DD2_2 to CPU_FTRS_ALWAYS mask
powerpc: Fix all occurences of "the the"
selftests/powerpc/pmu/ebb: remove fixed_instruction.S
powerpc/platforms/83xx: Use of_device_get_match_data()
powerpc/eeh: Drop redundant spinlock initialization
powerpc/iommu: Add missing of_node_put in iommu_init_early_dart
powerpc/pseries/vas: Call misc_deregister if sysfs init fails
powerpc/papr_scm: Fix leaking nvdimm_events_map elements
...
API:
- Test in-place en/decryption with two sglists in testmgr.
- Fix process vs. softirq race in cryptd.
Algorithms:
- Add arm64 acceleration for sm4.
- Add s390 acceleration for chacha20.
Drivers:
- Add polarfire soc hwrng support in mpsf.
- Add support for TI SoC AM62x in sa2ul.
- Add support for ATSHA204 cryptochip in atmel-sha204a.
- Add support for PRNG in caam.
- Restore support for storage encryption in qat.
- Restore support for storage encryption in hisilicon/sec.
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Merge tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Test in-place en/decryption with two sglists in testmgr
- Fix process vs softirq race in cryptd
Algorithms:
- Add arm64 acceleration for sm4
- Add s390 acceleration for chacha20
Drivers:
- Add polarfire soc hwrng support in mpsf
- Add support for TI SoC AM62x in sa2ul
- Add support for ATSHA204 cryptochip in atmel-sha204a
- Add support for PRNG in caam
- Restore support for storage encryption in qat
- Restore support for storage encryption in hisilicon/sec"
* tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (116 commits)
hwrng: omap3-rom - fix using wrong clk_disable() in omap_rom_rng_runtime_resume()
crypto: hisilicon/sec - delete the flag CRYPTO_ALG_ALLOCATES_MEMORY
crypto: qat - add support for 401xx devices
crypto: qat - re-enable registration of algorithms
crypto: qat - honor CRYPTO_TFM_REQ_MAY_SLEEP flag
crypto: qat - add param check for DH
crypto: qat - add param check for RSA
crypto: qat - remove dma_free_coherent() for DH
crypto: qat - remove dma_free_coherent() for RSA
crypto: qat - fix memory leak in RSA
crypto: qat - add backlog mechanism
crypto: qat - refactor submission logic
crypto: qat - use pre-allocated buffers in datapath
crypto: qat - set to zero DH parameters before free
crypto: s390 - add crypto library interface for ChaCha20
crypto: talitos - Uniform coding style with defined variable
crypto: octeontx2 - simplify the return expression of otx2_cpt_aead_cbc_aes_sha_setkey()
crypto: cryptd - Protect per-CPU resource by disabling BH.
crypto: sun8i-ce - do not fallback if cryptlen is less than sg length
crypto: sun8i-ce - rework debugging
...
and renaming of Quartz-A bluetooth pin nodename to not conflict with
Yaml constraints.
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Merge tag 'v5.19-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/late
Clock properties for cru nodes to match the yaml-converted bindings
and renaming of Quartz-A bluetooth pin nodename to not conflict with
Yaml constraints.
* tag 'v5.19-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: rename Quartz64-A bluetooth gpios
arm64: dts: rockchip: add clocks property to cru node rk3368
arm64: dts: rockchip: add clocks property to cru node rk3308
arm64: dts: rockchip: add clocks to rk356x cru
Link: https://lore.kernel.org/r/7695907.Sb9uPGUboI@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
subsystems. Most notably some maintenance work in ocfs2 and initramfs.
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Merge tag 'mm-nonmm-stable-2022-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc updates from Andrew Morton:
"The non-MM patch queue for this merge window.
Not a lot of material this cycle. Many singleton patches against
various subsystems. Most notably some maintenance work in ocfs2
and initramfs"
* tag 'mm-nonmm-stable-2022-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (65 commits)
kcov: update pos before writing pc in trace function
ocfs2: dlmfs: fix error handling of user_dlm_destroy_lock
ocfs2: dlmfs: don't clear USER_LOCK_ATTACHED when destroying lock
fs/ntfs: remove redundant variable idx
fat: remove time truncations in vfat_create/vfat_mkdir
fat: report creation time in statx
fat: ignore ctime updates, and keep ctime identical to mtime in memory
fat: split fat_truncate_time() into separate functions
MAINTAINERS: add Muchun as a memcg reviewer
proc/sysctl: make protected_* world readable
ia64: mca: drop redundant spinlock initialization
tty: fix deadlock caused by calling printk() under tty_port->lock
relay: remove redundant assignment to pointer buf
fs/ntfs3: validate BOOT sectors_per_clusters
lib/string_helpers: fix not adding strarray to device's resource list
kernel/crash_core.c: remove redundant check of ck_cmdline
ELF, uapi: fixup ELF_ST_TYPE definition
ipc/mqueue: use get_tree_nodev() in mqueue_get_tree()
ipc: update semtimedop() to use hrtimer
ipc/sem: remove redundant assignments
...
Fix the arm64 build error which was caused by commit ae07562909 ("mm:
change huge_ptep_clear_flush() to return the original pte") interacting
with commit fb396bb459 ("arm64/hugetlb: Drop TLB flush from
get_clear_flush()"):
arch/arm64/mm/hugetlbpage.c: In function ‘huge_ptep_clear_flush’:
arch/arm64/mm/hugetlbpage.c:515:9: error: implicit declaration of function ‘get_clear_flush’; did you mean ‘ptep_clear_flush’? [-Werror=implicit-function-declaration]
515 | return get_clear_flush(vma->vm_mm, addr, ptep, pgsize, ncontig);
| ^~~~~~~~~~~~~~~
| ptep_clear_flush
Due to the new get_clear_contig() has dropped TLB flush, we should add
an explicit TLB flush in huge_ptep_clear_flush() to keep original
semantics when changing to use new get_clear_contig().
Fixes: fb396bb459 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()").
Fixes: ae07562909 ("mm: change huge_ptep_clear_flush() to return the original pte")
Reported-and-tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The bluetooth binding for the Quartz64 Model A has incorrectly named
host-wakeup and device-wakeup gpios. Rename them to clear some dtbs_check
warnings.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220511150117.113070-4-pgwipeout@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add clocks and clock-names because the device has to have
at least one input clock.
Also in case someone wants to add properties that start with
assign-xxx to fix warnings like:
'clocks' is a dependency of 'assigned-clocks'
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20220329180550.31043-2-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add clocks and clock-names to the rk3308 cru node, because
the device has to have at least one input clock.
Also in case someone wants to add properties that start with
assign-xxx to fix warnings like:
'clocks' is a dependency of 'assigned-clocks'
With the addition of new properties also sort the node properties
a little bit.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20220329184339.1134-2-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The rk356x cru requires a 24m clock input to function. Add the clocks
properties to the cru to clear some dtbs_check warnings.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220511150117.113070-3-pgwipeout@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The '#dma-channels' property was deprecated in favor of one defined by
generic dma-common DT bindings. Add new property while keeping old one
for backwards compatibility.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/20220516142857.6419-4-krzysztof.kozlowski@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* ultravisor communication device driver
* fix TEID on terminating storage key ops
RISC-V:
* Added Sv57x4 support for G-stage page table
* Added range based local HFENCE functions
* Added remote HFENCE functions based on VCPU requests
* Added ISA extension registers in ONE_REG interface
* Updated KVM RISC-V maintainers entry to cover selftests support
ARM:
* Add support for the ARMv8.6 WFxT extension
* Guard pages for the EL2 stacks
* Trap and emulate AArch32 ID registers to hide unsupported features
* Ability to select and save/restore the set of hypercalls exposed
to the guest
* Support for PSCI-initiated suspend in collaboration with userspace
* GICv3 register-based LPI invalidation support
* Move host PMU event merging into the vcpu data structure
* GICv3 ITS save/restore fixes
* The usual set of small-scale cleanups and fixes
x86:
* New ioctls to get/set TSC frequency for a whole VM
* Allow userspace to opt out of hypercall patching
* Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
AMD SEV improvements:
* Add KVM_EXIT_SHUTDOWN metadata for SEV-ES
* V_TSC_AUX support
Nested virtualization improvements for AMD:
* Support for "nested nested" optimizations (nested vVMLOAD/VMSAVE,
nested vGIF)
* Allow AVIC to co-exist with a nested guest running
* Fixes for LBR virtualizations when a nested guest is running,
and nested LBR virtualization support
* PAUSE filtering for nested hypervisors
Guest support:
* Decoupling of vcpu_is_preempted from PV spinlocks
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"S390:
- ultravisor communication device driver
- fix TEID on terminating storage key ops
RISC-V:
- Added Sv57x4 support for G-stage page table
- Added range based local HFENCE functions
- Added remote HFENCE functions based on VCPU requests
- Added ISA extension registers in ONE_REG interface
- Updated KVM RISC-V maintainers entry to cover selftests support
ARM:
- Add support for the ARMv8.6 WFxT extension
- Guard pages for the EL2 stacks
- Trap and emulate AArch32 ID registers to hide unsupported features
- Ability to select and save/restore the set of hypercalls exposed to
the guest
- Support for PSCI-initiated suspend in collaboration with userspace
- GICv3 register-based LPI invalidation support
- Move host PMU event merging into the vcpu data structure
- GICv3 ITS save/restore fixes
- The usual set of small-scale cleanups and fixes
x86:
- New ioctls to get/set TSC frequency for a whole VM
- Allow userspace to opt out of hypercall patching
- Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
AMD SEV improvements:
- Add KVM_EXIT_SHUTDOWN metadata for SEV-ES
- V_TSC_AUX support
Nested virtualization improvements for AMD:
- Support for "nested nested" optimizations (nested vVMLOAD/VMSAVE,
nested vGIF)
- Allow AVIC to co-exist with a nested guest running
- Fixes for LBR virtualizations when a nested guest is running, and
nested LBR virtualization support
- PAUSE filtering for nested hypervisors
Guest support:
- Decoupling of vcpu_is_preempted from PV spinlocks"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (199 commits)
KVM: x86: Fix the intel_pt PMI handling wrongly considered from guest
KVM: selftests: x86: Sync the new name of the test case to .gitignore
Documentation: kvm: reorder ARM-specific section about KVM_SYSTEM_EVENT_SUSPEND
x86, kvm: use correct GFP flags for preemption disabled
KVM: LAPIC: Drop pending LAPIC timer injection when canceling the timer
x86/kvm: Alloc dummy async #PF token outside of raw spinlock
KVM: x86: avoid calling x86 emulator without a decoded instruction
KVM: SVM: Use kzalloc for sev ioctl interfaces to prevent kernel data leak
x86/fpu: KVM: Set the base guest FPU uABI size to sizeof(struct kvm_xsave)
s390/uv_uapi: depend on CONFIG_S390
KVM: selftests: x86: Fix test failure on arch lbr capable platforms
KVM: LAPIC: Trace LAPIC timer expiration on every vmentry
KVM: s390: selftest: Test suppression indication on key prot exception
KVM: s390: Don't indicate suppression on dirtying, failing memop
selftests: drivers/s390x: Add uvdevice tests
drivers/s390/char: Add Ultravisor io device
MAINTAINERS: Update KVM RISC-V entry to cover selftests support
RISC-V: KVM: Introduce ISA extension register
RISC-V: KVM: Cleanup stale TLB entries when host CPU changes
RISC-V: KVM: Add remote HFENCE functions based on VCPU requests
...
file-backed transparent hugepages.
Johannes Weiner has arranged for zswap memory use to be tracked and
managed on a per-cgroup basis.
Munchun Song adds a /proc knob ("hugetlb_optimize_vmemmap") for runtime
enablement of the recent huge page vmemmap optimization feature.
Baolin Wang contributes a series to fix some issues around hugetlb
pagetable invalidation.
Zhenwei Pi has fixed some interactions between hwpoisoned pages and
virtualization.
Tong Tiangen has enabled the use of the presently x86-only
page_table_check debugging feature on arm64 and riscv.
David Vernet has done some fixup work on the memcg selftests.
Peter Xu has taught userfaultfd to handle write protection faults against
shmem- and hugetlbfs-backed files.
More DAMON development from SeongJae Park - adding online tuning of the
feature and support for monitoring of fixed virtual address ranges. Also
easier discovery of which monitoring operations are available.
Nadav Amit has done some optimization of TLB flushing during mprotect().
Neil Brown continues to labor away at improving our swap-over-NFS support.
David Hildenbrand has some fixes to anon page COWing versus
get_user_pages().
Peng Liu fixed some errors in the core hugetlb code.
Joao Martins has reduced the amount of memory consumed by device-dax's
compound devmaps.
Some cleanups of the arch-specific pagemap code from Anshuman Khandual.
Muchun Song has found and fixed some errors in the TLB flushing of
transparent hugepages.
Roman Gushchin has done more work on the memcg selftests.
And, of course, many smaller fixes and cleanups. Notably, the customary
million cleanup serieses from Miaohe Lin.
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Merge tag 'mm-stable-2022-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"Almost all of MM here. A few things are still getting finished off,
reviewed, etc.
- Yang Shi has improved the behaviour of khugepaged collapsing of
readonly file-backed transparent hugepages.
- Johannes Weiner has arranged for zswap memory use to be tracked and
managed on a per-cgroup basis.
- Munchun Song adds a /proc knob ("hugetlb_optimize_vmemmap") for
runtime enablement of the recent huge page vmemmap optimization
feature.
- Baolin Wang contributes a series to fix some issues around hugetlb
pagetable invalidation.
- Zhenwei Pi has fixed some interactions between hwpoisoned pages and
virtualization.
- Tong Tiangen has enabled the use of the presently x86-only
page_table_check debugging feature on arm64 and riscv.
- David Vernet has done some fixup work on the memcg selftests.
- Peter Xu has taught userfaultfd to handle write protection faults
against shmem- and hugetlbfs-backed files.
- More DAMON development from SeongJae Park - adding online tuning of
the feature and support for monitoring of fixed virtual address
ranges. Also easier discovery of which monitoring operations are
available.
- Nadav Amit has done some optimization of TLB flushing during
mprotect().
- Neil Brown continues to labor away at improving our swap-over-NFS
support.
- David Hildenbrand has some fixes to anon page COWing versus
get_user_pages().
- Peng Liu fixed some errors in the core hugetlb code.
- Joao Martins has reduced the amount of memory consumed by
device-dax's compound devmaps.
- Some cleanups of the arch-specific pagemap code from Anshuman
Khandual.
- Muchun Song has found and fixed some errors in the TLB flushing of
transparent hugepages.
- Roman Gushchin has done more work on the memcg selftests.
... and, of course, many smaller fixes and cleanups. Notably, the
customary million cleanup serieses from Miaohe Lin"
* tag 'mm-stable-2022-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (381 commits)
mm: kfence: use PAGE_ALIGNED helper
selftests: vm: add the "settings" file with timeout variable
selftests: vm: add "test_hmm.sh" to TEST_FILES
selftests: vm: check numa_available() before operating "merge_across_nodes" in ksm_tests
selftests: vm: add migration to the .gitignore
selftests/vm/pkeys: fix typo in comment
ksm: fix typo in comment
selftests: vm: add process_mrelease tests
Revert "mm/vmscan: never demote for memcg reclaim"
mm/kfence: print disabling or re-enabling message
include/trace/events/percpu.h: cleanup for "percpu: improve percpu_alloc_percpu event trace"
include/trace/events/mmflags.h: cleanup for "tracing: incorrect gfp_t conversion"
mm: fix a potential infinite loop in start_isolate_page_range()
MAINTAINERS: add Muchun as co-maintainer for HugeTLB
zram: fix Kconfig dependency warning
mm/shmem: fix shmem folio swapoff hang
cgroup: fix an error handling path in alloc_pagecache_max_30M()
mm: damon: use HPAGE_PMD_SIZE
tracing: incorrect isolate_mote_t cast in mm_vmscan_lru_isolate
nodemask.h: fix compilation error with GCC12
...
- Add HOSTPKG_CONFIG env variable to allow users to override pkg-config
- Support W=e as a shorthand for KCFLAGS=-Werror
- Fix CONFIG_IKHEADERS build to support toybox cpio
- Add scripts/dummy-tools/pahole to ease distro packagers' life
- Suppress false-positive warnings from checksyscalls.sh for W=2 build
- Factor out the common code of arch/*/boot/install.sh into
scripts/install.sh
- Support 'kernel-install' tool in scripts/prune-kernel
- Refactor module-versioning to link the symbol versions at the final
link of vmlinux and modules
- Remove CONFIG_MODULE_REL_CRCS because module-versioning now works in
an arch-agnostic way
- Refactor modpost, Makefiles
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Merge tag 'kbuild-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add HOSTPKG_CONFIG env variable to allow users to override pkg-config
- Support W=e as a shorthand for KCFLAGS=-Werror
- Fix CONFIG_IKHEADERS build to support toybox cpio
- Add scripts/dummy-tools/pahole to ease distro packagers' life
- Suppress false-positive warnings from checksyscalls.sh for W=2 build
- Factor out the common code of arch/*/boot/install.sh into
scripts/install.sh
- Support 'kernel-install' tool in scripts/prune-kernel
- Refactor module-versioning to link the symbol versions at the final
link of vmlinux and modules
- Remove CONFIG_MODULE_REL_CRCS because module-versioning now works in
an arch-agnostic way
- Refactor modpost, Makefiles
* tag 'kbuild-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (56 commits)
genksyms: adjust the output format to modpost
kbuild: stop merging *.symversions
kbuild: link symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS
modpost: extract symbol versions from *.cmd files
modpost: add sym_find_with_module() helper
modpost: change the license of EXPORT_SYMBOL to bool type
modpost: remove left-over cross_compile declaration
kbuild: record symbol versions in *.cmd files
kbuild: generate a list of objects in vmlinux
modpost: move *.mod.c generation to write_mod_c_files()
modpost: merge add_{intree_flag,retpoline,staging_flag} to add_header
scripts/prune-kernel: Use kernel-install if available
kbuild: factor out the common installation code into scripts/install.sh
modpost: split new_symbol() to symbol allocation and hash table addition
modpost: make sym_add_exported() always allocate a new symbol
modpost: make multiple export error
modpost: dump Module.symvers in the same order of modules.order
modpost: traverse the namespace_list in order
modpost: use doubly linked list for dump_lists
modpost: traverse unresolved symbols in order
...
Lots of smaller additions to the defconfig files for both 32-bit
and 64-bit arm platforms, enabling drivers that are now usable
on common hardware, and a few options to make it possible to boot
a file system image using systemd.
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Merge tag 'arm-defconfig-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM defconfig updates from Arnd Bergmann:
"Lots of smaller additions to the defconfig files for both 32-bit and
64-bit arm platforms, enabling drivers that are now usable on common
hardware, and a few options to make it possible to boot a file system
image using systemd"
* tag 'arm-defconfig-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (39 commits)
ARM: configs: Enable ASoC AC'97 glue
ARM: configs: Enable audio on BeagleBone Black in multi_v7_defconfig
ARM: configs: at91: Enable AUTOFS_FS required by systemd
ARM: configs: at91: Enable options required for systemd
ARM: configs: at91: sama7: enable CONFIG_RESET_CONTROLLER
ARM: configs: at91: sama7: add MCHP PDMC and DMIC drivers
ARM: configs: at91: sama7: Enable MTD_UBI_BLOCK
ARM: configs: at91: sama7: Enable MTD_UBI_FASTMAP
ARM: configs: at91: sama7: add xisc and csi2dc
ARM: multi_v7_defconfig: add atmel video pipeline modules
ARM: configs: at91: Remove MTD_BLOCK and use MTD_UBI_BLOCK for read only block FS
arm64: defconfig: Enable the WM8524 codec driver
arm64: defconfig: Enable modules for arm displays
arm: nomadik: drop selecting obsolete CLKSRC_NOMADIK_MTU_SCHED_CLOCK
arm64: defconfig: Enable Renesas RZ/V2M SoC
arm64: defconfig: Enable ARCH_R9A07G043
arm64: defconfig: Enable configs for DisplayPort on J721e
arm64: defconfig: Build Tegra ASRC module
ARM: multi_v7_defconfig: enable CONFIG_ARCH_BCMBCA in armv7 defconfig
arm: mediatek: select arch timer for mt7629
...
There are 40 branches this time, adding a lot of new hardware
support, and cleanups. Krzysztof Kozlowski continues his treewide
cleanups.
There are a number of new SoCs, all of them as part of existing
families, and typically added along with a reference board:
- Renesas RZ/G2UL (R9A07G043) is the single-core version of the RZ/G2L
general-purpose MPU.
- Renesas RZ/V2M (R9A09G011) is a smart camera SoC
- Renesas R-Car V4H (R8A779G0) is an automotive chip with Cortex-A76
cores and deep learning accerlation.
- Broadcom BCM47622 is a new broadband SoC based on a quad Cortex-A7
and dual Wifi-6.
- Corstone1000 is a generic platform from Arm that is used for designing
custom SoCs, the support for now is for the Fixed Virtual Platform
emulation for it.
- Mediatek MT8195 (Kompanio 1200) is a high-end consumer chip used
in upcoming Chromebooks.
- NXP i.MXRT1050 is a Cortex-M7 based microcontroller, the first
MMU-less SoC to be added in a while
New machines based on already supported SoCs this time are mainly
for 32-bit platforms and include:
- Two wireless routers based on Broadcom bcm4708
- 30 new boards based on NXP i.MX6, i.MX7 and i.MX8 families, mostly
for the industrial embedded market, and on NXP LS1021A based
IOT board.
- Two ethernet switches based on Microchip LAN966
- Eight Qualcomm Snapdragon based machines, including a smartwatch,
a Chromebook board and some phones
- Another phone based on the old ST-Ericsson Ux500 platform
- Seven STM32MP1 based boards
- Four single-board computers based on Rockchip RK3566/RK3568
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Merge tag 'arm-dt-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM DT updates from Arnd Bergmann:
"There are 40 branches this time, adding a lot of new hardware support,
and cleanups. Krzysztof Kozlowski continues his treewide cleanups.
There are a number of new SoCs, all of them as part of existing
families, and typically added along with a reference board:
- Renesas RZ/G2UL (R9A07G043) is the single-core version of the
RZ/G2L general-purpose MPU.
- Renesas RZ/V2M (R9A09G011) is a smart camera SoC
- Renesas R-Car V4H (R8A779G0) is an automotive chip with Cortex-A76
cores and deep learning accerlation.
- Broadcom BCM47622 is a new broadband SoC based on a quad Cortex-A7
and dual Wifi-6.
- Corstone1000 is a generic platform from Arm that is used for
designing custom SoCs, the support for now is for the Fixed Virtual
Platform emulation for it.
- Mediatek MT8195 (Kompanio 1200) is a high-end consumer chip used in
upcoming Chromebooks.
- NXP i.MXRT1050 is a Cortex-M7 based microcontroller, the first
MMU-less SoC to be added in a while
New machines based on already supported SoCs this time are mainly for
32-bit platforms and include:
- Two wireless routers based on Broadcom bcm4708
- 30 new boards based on NXP i.MX6, i.MX7 and i.MX8 families, mostly
for the industrial embedded market, and on NXP LS1021A based IOT
board.
- Two ethernet switches based on Microchip LAN966
- Eight Qualcomm Snapdragon based machines, including a smartwatch, a
Chromebook board and some phones
- Another phone based on the old ST-Ericsson Ux500 platform
- Seven STM32MP1 based boards
- Four single-board computers based on Rockchip RK3566/RK3568"
* tag 'arm-dt-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (791 commits)
ARM: dts: kswitch-d10: enable networking
ARM: dts: lan966x: add switch node
ARM: dts: lan966x: add serdes node
ARM: dts: lan966x: add reset switch reset node
ARM: dts: lan966x: add MIIM nodes
ARM: dts: lan966x: add hwmon node
ARM: dts: lan966x: add basic Kontron KSwitch D10 support
ARM: dts: lan966x: add flexcom I2C nodes
ARM: dts: lan966x: add flexcom SPI nodes
ARM: dts: lan966x: add all flexcom usart nodes
ARM: dts: lan966x: add missing uart DMA channel
ARM: dts: lan966x: add sgpio node
ARM: dts: lan966x: swap dma channels for crypto node
ARM: dts: lan966x: rename pinctrl nodes
ARM: dts: at91: sama7g5: remove interrupt-parent from gic node
ARM: dts: at91: use generic node name for dataflash
ARM: dts: turris-omnia: Add atsha204a node
arm64: dts: mt8192: Follow binding order for SCP registers
arm64: dts: mediatek: add mtk-snfi for mt7622
arm64: dts: mediatek: mt8195-demo: enable uart1
...
- don't over-decrypt memory (Robin Murphy)
- takes min align mask into account for the swiotlb max mapping size
(Tianyu Lan)
- use GFP_ATOMIC in dma-debug (Mikulas Patocka)
- fix DMA_ATTR_NO_KERNEL_MAPPING on xen/arm (me)
- don't fail on highmem CMA pages in dma_direct_alloc_pages (me)
- cleanup swiotlb initialization and share more code with swiotlb-xen
(me, Stefano Stabellini)
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Merge tag 'dma-mapping-5.19-2022-05-25' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- don't over-decrypt memory (Robin Murphy)
- takes min align mask into account for the swiotlb max mapping size
(Tianyu Lan)
- use GFP_ATOMIC in dma-debug (Mikulas Patocka)
- fix DMA_ATTR_NO_KERNEL_MAPPING on xen/arm (me)
- don't fail on highmem CMA pages in dma_direct_alloc_pages (me)
- cleanup swiotlb initialization and share more code with swiotlb-xen
(me, Stefano Stabellini)
* tag 'dma-mapping-5.19-2022-05-25' of git://git.infradead.org/users/hch/dma-mapping: (23 commits)
dma-direct: don't over-decrypt memory
swiotlb: max mapping size takes min align mask into account
swiotlb: use the right nslabs-derived sizes in swiotlb_init_late
swiotlb: use the right nslabs value in swiotlb_init_remap
swiotlb: don't panic when the swiotlb buffer can't be allocated
dma-debug: change allocation mode from GFP_NOWAIT to GFP_ATIOMIC
dma-direct: don't fail on highmem CMA pages in dma_direct_alloc_pages
swiotlb-xen: fix DMA_ATTR_NO_KERNEL_MAPPING on arm
x86: remove cruft from <asm/dma-mapping.h>
swiotlb: remove swiotlb_init_with_tbl and swiotlb_init_late_with_tbl
swiotlb: merge swiotlb-xen initialization into swiotlb
swiotlb: provide swiotlb_init variants that remap the buffer
swiotlb: pass a gfp_mask argument to swiotlb_init_late
swiotlb: add a SWIOTLB_ANY flag to lift the low memory restriction
swiotlb: make the swiotlb_init interface more useful
x86: centralize setting SWIOTLB_FORCE when guest memory encryption is enabled
x86: remove the IOMMU table infrastructure
MIPS/octeon: use swiotlb_init instead of open coding it
arm/xen: don't check for xen_initial_domain() in xen_create_contiguous_region
swiotlb: rename swiotlb_late_init_with_default_size
...
Core
----
- Support TCPv6 segmentation offload with super-segments larger than
64k bytes using the IPv6 Jumbogram extension header (AKA BIG TCP).
- Generalize skb freeing deferral to per-cpu lists, instead of
per-socket lists.
- Add a netdev statistic for packets dropped due to L2 address
mismatch (rx_otherhost_dropped).
- Continue work annotating skb drop reasons.
- Accept alternative netdev names (ALT_IFNAME) in more netlink
requests.
- Add VLAN support for AF_PACKET SOCK_RAW GSO.
- Allow receiving skb mark from the socket as a cmsg.
- Enable memcg accounting for veth queues, sysctl tables and IPv6.
BPF
---
- Add libbpf support for User Statically-Defined Tracing (USDTs).
- Speed up symbol resolution for kprobes multi-link attachments.
- Support storing typed pointers to referenced and unreferenced
objects in BPF maps.
- Add support for BPF link iterator.
- Introduce access to remote CPU map elements in BPF per-cpu map.
- Allow middle-of-the-road settings for the
kernel.unprivileged_bpf_disabled sysctl.
- Implement basic types of dynamic pointers e.g. to allow for
dynamically sized ringbuf reservations without extra memory copies.
Protocols
---------
- Retire port only listening_hash table, add a second bind table
hashed by port and address. Avoid linear list walk when binding
to very popular ports (e.g. 443).
- Add bridge FDB bulk flush filtering support allowing user space
to remove all FDB entries matching a condition.
- Introduce accept_unsolicited_na sysctl for IPv6 to implement
router-side changes for RFC9131.
- Support for MPTCP path manager in user space.
- Add MPTCP support for fallback to regular TCP for connections
that have never connected additional subflows or transmitted
out-of-sequence data (partial support for RFC8684 fallback).
- Avoid races in MPTCP-level window tracking, stabilize and improve
throughput.
- Support lockless operation of GRE tunnels with seq numbers enabled.
- WiFi support for host based BSS color collision detection.
- Add support for SO_TXTIME/SCM_TXTIME on CAN sockets.
- Support transmission w/o flow control in CAN ISOTP (ISO 15765-2).
- Support zero-copy Tx with TLS 1.2 crypto offload (sendfile).
- Allow matching on the number of VLAN tags via tc-flower.
- Add tracepoint for tcp_set_ca_state().
Driver API
----------
- Improve error reporting from classifier and action offload.
- Add support for listing line cards in switches (devlink).
- Add helpers for reporting page pool statistics with ethtool -S.
- Add support for reading clock cycles when using PTP virtual clocks,
instead of having the driver convert to time before reporting.
This makes it possible to report time from different vclocks.
- Support configuring low-latency Tx descriptor push via ethtool.
- Separate Clause 22 and Clause 45 MDIO accesses more explicitly.
New hardware / drivers
----------------------
- Ethernet:
- Marvell's Octeon NIC PCI Endpoint support (octeon_ep)
- Sunplus SP7021 SoC (sp7021_emac)
- Add support for Renesas RZ/V2M (in ravb)
- Add support for MediaTek mt7986 switches (in mtk_eth_soc)
- Ethernet PHYs:
- ADIN1100 industrial PHYs (w/ 10BASE-T1L and SQI reporting)
- TI DP83TD510 PHY
- Microchip LAN8742/LAN88xx PHYs
- WiFi:
- Driver for pureLiFi X, XL, XC devices (plfxlc)
- Driver for Silicon Labs devices (wfx)
- Support for WCN6750 (in ath11k)
- Support Realtek 8852ce devices (in rtw89)
- Mobile:
- MediaTek T700 modems (Intel 5G 5000 M.2 cards)
- CAN:
- ctucanfd: add support for CTU CAN FD open-source IP core
from Czech Technical University in Prague
Drivers
-------
- Delete a number of old drivers still using virt_to_bus().
- Ethernet NICs:
- intel: support TSO on tunnels MPLS
- broadcom: support multi-buffer XDP
- nfp: support VF rate limiting
- sfc: use hardware tx timestamps for more than PTP
- mlx5: multi-port eswitch support
- hyper-v: add support for XDP_REDIRECT
- atlantic: XDP support (including multi-buffer)
- macb: improve real-time perf by deferring Tx processing to NAPI
- High-speed Ethernet switches:
- mlxsw: implement basic line card information querying
- prestera: add support for traffic policing on ingress and egress
- Embedded Ethernet switches:
- lan966x: add support for packet DMA (FDMA)
- lan966x: add support for PTP programmable pins
- ti: cpsw_new: enable bc/mc storm prevention
- Qualcomm 802.11ax WiFi (ath11k):
- Wake-on-WLAN support for QCA6390 and WCN6855
- device recovery (firmware restart) support
- support setting Specific Absorption Rate (SAR) for WCN6855
- read country code from SMBIOS for WCN6855/QCA6390
- enable keep-alive during WoWLAN suspend
- implement remain-on-channel support
- MediaTek WiFi (mt76):
- support Wireless Ethernet Dispatch offloading packet movement
between the Ethernet switch and WiFi interfaces
- non-standard VHT MCS10-11 support
- mt7921 AP mode support
- mt7921 IPv6 NS offload support
- Ethernet PHYs:
- micrel: ksz9031/ksz9131: cabletest support
- lan87xx: SQI support for T1 PHYs
- lan937x: add interrupt support for link detection
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core
----
- Support TCPv6 segmentation offload with super-segments larger than
64k bytes using the IPv6 Jumbogram extension header (AKA BIG TCP).
- Generalize skb freeing deferral to per-cpu lists, instead of
per-socket lists.
- Add a netdev statistic for packets dropped due to L2 address
mismatch (rx_otherhost_dropped).
- Continue work annotating skb drop reasons.
- Accept alternative netdev names (ALT_IFNAME) in more netlink
requests.
- Add VLAN support for AF_PACKET SOCK_RAW GSO.
- Allow receiving skb mark from the socket as a cmsg.
- Enable memcg accounting for veth queues, sysctl tables and IPv6.
BPF
---
- Add libbpf support for User Statically-Defined Tracing (USDTs).
- Speed up symbol resolution for kprobes multi-link attachments.
- Support storing typed pointers to referenced and unreferenced
objects in BPF maps.
- Add support for BPF link iterator.
- Introduce access to remote CPU map elements in BPF per-cpu map.
- Allow middle-of-the-road settings for the
kernel.unprivileged_bpf_disabled sysctl.
- Implement basic types of dynamic pointers e.g. to allow for
dynamically sized ringbuf reservations without extra memory copies.
Protocols
---------
- Retire port only listening_hash table, add a second bind table
hashed by port and address. Avoid linear list walk when binding to
very popular ports (e.g. 443).
- Add bridge FDB bulk flush filtering support allowing user space to
remove all FDB entries matching a condition.
- Introduce accept_unsolicited_na sysctl for IPv6 to implement
router-side changes for RFC9131.
- Support for MPTCP path manager in user space.
- Add MPTCP support for fallback to regular TCP for connections that
have never connected additional subflows or transmitted
out-of-sequence data (partial support for RFC8684 fallback).
- Avoid races in MPTCP-level window tracking, stabilize and improve
throughput.
- Support lockless operation of GRE tunnels with seq numbers enabled.
- WiFi support for host based BSS color collision detection.
- Add support for SO_TXTIME/SCM_TXTIME on CAN sockets.
- Support transmission w/o flow control in CAN ISOTP (ISO 15765-2).
- Support zero-copy Tx with TLS 1.2 crypto offload (sendfile).
- Allow matching on the number of VLAN tags via tc-flower.
- Add tracepoint for tcp_set_ca_state().
Driver API
----------
- Improve error reporting from classifier and action offload.
- Add support for listing line cards in switches (devlink).
- Add helpers for reporting page pool statistics with ethtool -S.
- Add support for reading clock cycles when using PTP virtual clocks,
instead of having the driver convert to time before reporting. This
makes it possible to report time from different vclocks.
- Support configuring low-latency Tx descriptor push via ethtool.
- Separate Clause 22 and Clause 45 MDIO accesses more explicitly.
New hardware / drivers
----------------------
- Ethernet:
- Marvell's Octeon NIC PCI Endpoint support (octeon_ep)
- Sunplus SP7021 SoC (sp7021_emac)
- Add support for Renesas RZ/V2M (in ravb)
- Add support for MediaTek mt7986 switches (in mtk_eth_soc)
- Ethernet PHYs:
- ADIN1100 industrial PHYs (w/ 10BASE-T1L and SQI reporting)
- TI DP83TD510 PHY
- Microchip LAN8742/LAN88xx PHYs
- WiFi:
- Driver for pureLiFi X, XL, XC devices (plfxlc)
- Driver for Silicon Labs devices (wfx)
- Support for WCN6750 (in ath11k)
- Support Realtek 8852ce devices (in rtw89)
- Mobile:
- MediaTek T700 modems (Intel 5G 5000 M.2 cards)
- CAN:
- ctucanfd: add support for CTU CAN FD open-source IP core from
Czech Technical University in Prague
Drivers
-------
- Delete a number of old drivers still using virt_to_bus().
- Ethernet NICs:
- intel: support TSO on tunnels MPLS
- broadcom: support multi-buffer XDP
- nfp: support VF rate limiting
- sfc: use hardware tx timestamps for more than PTP
- mlx5: multi-port eswitch support
- hyper-v: add support for XDP_REDIRECT
- atlantic: XDP support (including multi-buffer)
- macb: improve real-time perf by deferring Tx processing to NAPI
- High-speed Ethernet switches:
- mlxsw: implement basic line card information querying
- prestera: add support for traffic policing on ingress and egress
- Embedded Ethernet switches:
- lan966x: add support for packet DMA (FDMA)
- lan966x: add support for PTP programmable pins
- ti: cpsw_new: enable bc/mc storm prevention
- Qualcomm 802.11ax WiFi (ath11k):
- Wake-on-WLAN support for QCA6390 and WCN6855
- device recovery (firmware restart) support
- support setting Specific Absorption Rate (SAR) for WCN6855
- read country code from SMBIOS for WCN6855/QCA6390
- enable keep-alive during WoWLAN suspend
- implement remain-on-channel support
- MediaTek WiFi (mt76):
- support Wireless Ethernet Dispatch offloading packet movement
between the Ethernet switch and WiFi interfaces
- non-standard VHT MCS10-11 support
- mt7921 AP mode support
- mt7921 IPv6 NS offload support
- Ethernet PHYs:
- micrel: ksz9031/ksz9131: cabletest support
- lan87xx: SQI support for T1 PHYs
- lan937x: add interrupt support for link detection"
* tag 'net-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1809 commits)
ptp: ocp: Add firmware header checks
ptp: ocp: fix PPS source selector debugfs reporting
ptp: ocp: add .init function for sma_op vector
ptp: ocp: vectorize the sma accessor functions
ptp: ocp: constify selectors
ptp: ocp: parameterize input/output sma selectors
ptp: ocp: revise firmware display
ptp: ocp: add Celestica timecard PCI ids
ptp: ocp: Remove #ifdefs around PCI IDs
ptp: ocp: 32-bit fixups for pci start address
Revert "net/smc: fix listen processing for SMC-Rv2"
ath6kl: Use cc-disable-warning to disable -Wdangling-pointer
selftests/bpf: Dynptr tests
bpf: Add dynptr data slices
bpf: Add bpf_dynptr_read and bpf_dynptr_write
bpf: Dynptr support for ring buffers
bpf: Add bpf_dynptr_from_mem for local dynptrs
bpf: Add verifier support for dynptrs
bpf: Suppress 'passing zero to PTR_ERR' warning
bpf: Introduce bpf_arch_text_invalidate for bpf_prog_pack
...
- Tegra234 cpufreq support (Sumit Gupta).
- Mediatek cleanups and enhancements (Wan Jiabing, Rex-BC Chen, and
Jia-Wei Chang).
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Merge tag 'cpufreq-arm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull ARM cpufreq updates for 5.19-rc1 from Viresh Kumar:
- Tegra234 cpufreq support (Sumit Gupta).
- Mediatek cleanups and enhancements (Wan Jiabing, Rex-BC Chen, and
Jia-Wei Chang).
* tag 'cpufreq-arm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: (21 commits)
cpufreq: mediatek: Add support for MT8186
cpufreq: mediatek: Link CCI device to CPU
dt-bindings: cpufreq: mediatek: Add MediaTek CCI property
cpufreq: mediatek: Fix potential deadlock problem in mtk_cpufreq_set_target
cpufreq: mediatek: Add opp notification support
cpufreq: mediatek: Refine mtk_cpufreq_voltage_tracking()
cpufreq: mediatek: Move voltage limits to platform data
cpufreq: mediatek: Unregister platform device on exit
cpufreq: mediatek: Fix NULL pointer dereference in mediatek-cpufreq
cpufreq: mediatek: Make sram regulator optional
cpufreq: mediatek: Record previous target vproc value
cpufreq: mediatek: Replace old_* with pre_*
cpufreq: mediatek: Use device print to show logs
cpufreq: mediatek: Enable clocks and regulators
cpufreq: mediatek: Remove unused headers
cpufreq: mediatek: Cleanup variables and error handling in mtk_cpu_dvfs_info_init()
cpufreq: mediatek: Use module_init and add module_exit
arm64: tegra: add node for tegra234 cpufreq
cpufreq: tegra194: Add support for Tegra234
cpufreq: tegra194: add soc data to support multiple soc
...
- Added Sv57x4 support for G-stage page table
- Added range based local HFENCE functions
- Added remote HFENCE functions based on VCPU requests
- Added ISA extension registers in ONE_REG interface
- Updated KVM RISC-V maintainers entry to cover selftests support
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Merge tag 'kvm-riscv-5.19-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv changes for 5.19
- Added Sv57x4 support for G-stage page table
- Added range based local HFENCE functions
- Added remote HFENCE functions based on VCPU requests
- Added ISA extension registers in ONE_REG interface
- Updated KVM RISC-V maintainers entry to cover selftests support
- Add support for the ARMv8.6 WFxT extension
- Guard pages for the EL2 stacks
- Trap and emulate AArch32 ID registers to hide unsupported features
- Ability to select and save/restore the set of hypercalls exposed
to the guest
- Support for PSCI-initiated suspend in collaboration with userspace
- GICv3 register-based LPI invalidation support
- Move host PMU event merging into the vcpu data structure
- GICv3 ITS save/restore fixes
- The usual set of small-scale cleanups and fixes
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Merge tag 'kvmarm-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for 5.19
- Add support for the ARMv8.6 WFxT extension
- Guard pages for the EL2 stacks
- Trap and emulate AArch32 ID registers to hide unsupported features
- Ability to select and save/restore the set of hypercalls exposed
to the guest
- Support for PSCI-initiated suspend in collaboration with userspace
- GICv3 register-based LPI invalidation support
- Move host PMU event merging into the vcpu data structure
- GICv3 ITS save/restore fixes
- The usual set of small-scale cleanups and fixes
[Due to the conflict, KVM_SYSTEM_EVENT_SEV_TERM is relocated
from 4 to 6. - Paolo]
- 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 CPU-based scaling support to passive devfreq governor (Saravana
Kannan, Chanwoo Choi).
- Update the rk3399_dmc devfreq driver (Brian Norris).
- 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).
- 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).
- 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).
- 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).
- Update the turbostat utility to version 2022.04.16 (Len Brown,
Dan Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen
Yu).
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Merge tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add support for 'artificial' Energy Models in which power
numbers for different entities may be in different scales, add support
for some new hardware, fix bugs and clean up code in multiple places.
Specifics:
- 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 CPU-based scaling support to passive devfreq governor (Saravana
Kannan, Chanwoo Choi).
- Update the rk3399_dmc devfreq driver (Brian Norris).
- 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).
- 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).
- 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).
- 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).
- Update the turbostat utility to version 2022.04.16 (Len Brown, Dan
Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen Yu)"
* tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (94 commits)
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
powercap: intel_rapl: remove redundant store to value after multiply
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
...
Platform PMU changes:
=====================
- x86/intel:
- Add new Intel Alder Lake and Raptor Lake support
- x86/amd:
- AMD Zen4 IBS extensions support
- Add AMD PerfMonV2 support
- Add AMD Fam19h Branch Sampling support
Generic changes:
================
- signal: Deliver SIGTRAP on perf event asynchronously if blocked
Perf instrumentation can be driven via SIGTRAP, but this causes a problem
when SIGTRAP is blocked by a task & terminate the task.
Allow user-space to request these signals asynchronously (after they get
unblocked) & also give the information to the signal handler when this
happens:
" To give user space the ability to clearly distinguish synchronous from
asynchronous signals, introduce siginfo_t::si_perf_flags and
TRAP_PERF_FLAG_ASYNC (opted for flags in case more binary information is
required in future).
The resolution to the problem is then to (a) no longer force the signal
(avoiding the terminations), but (b) tell user space via si_perf_flags
if the signal was synchronous or not, so that such signals can be
handled differently (e.g. let user space decide to ignore or consider
the data imprecise). "
- Unify/standardize the /sys/devices/cpu/events/* output format.
- Misc fixes & cleanups.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events updates from Ingo Molnar:
"Platform PMU changes:
- x86/intel:
- Add new Intel Alder Lake and Raptor Lake support
- x86/amd:
- AMD Zen4 IBS extensions support
- Add AMD PerfMonV2 support
- Add AMD Fam19h Branch Sampling support
Generic changes:
- signal: Deliver SIGTRAP on perf event asynchronously if blocked
Perf instrumentation can be driven via SIGTRAP, but this causes a
problem when SIGTRAP is blocked by a task & terminate the task.
Allow user-space to request these signals asynchronously (after
they get unblocked) & also give the information to the signal
handler when this happens:
"To give user space the ability to clearly distinguish
synchronous from asynchronous signals, introduce
siginfo_t::si_perf_flags and TRAP_PERF_FLAG_ASYNC (opted for
flags in case more binary information is required in future).
The resolution to the problem is then to (a) no longer force the
signal (avoiding the terminations), but (b) tell user space via
si_perf_flags if the signal was synchronous or not, so that such
signals can be handled differently (e.g. let user space decide
to ignore or consider the data imprecise). "
- Unify/standardize the /sys/devices/cpu/events/* output format.
- Misc fixes & cleanups"
* tag 'perf-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
perf/x86/amd/core: Fix reloading events for SVM
perf/x86/amd: Run AMD BRS code only on supported hw
perf/x86/amd: Fix AMD BRS period adjustment
perf/x86/amd: Remove unused variable 'hwc'
perf/ibs: Fix comment
perf/amd/ibs: Advertise zen4_ibs_extensions as pmu capability attribute
perf/amd/ibs: Add support for L3 miss filtering
perf/amd/ibs: Use ->is_visible callback for dynamic attributes
perf/amd/ibs: Cascade pmu init functions' return value
perf/x86/uncore: Add new Alder Lake and Raptor Lake support
perf/x86/uncore: Clean up uncore_pci_ids[]
perf/x86/cstate: Add new Alder Lake and Raptor Lake support
perf/x86/msr: Add new Alder Lake and Raptor Lake support
perf/x86: Add new Alder Lake and Raptor Lake support
perf/amd/ibs: Use interrupt regs ip for stack unwinding
perf/x86/amd/core: Add PerfMonV2 overflow handling
perf/x86/amd/core: Add PerfMonV2 counter control
perf/x86/amd/core: Detect available counters
perf/x86/amd/core: Detect PerfMonV2 support
x86/msr: Add PerfCntrGlobal* registers
...
- rwsem cleanups & optimizations/fixes:
- Conditionally wake waiters in reader/writer slowpaths
- Always try to wake waiters in out_nolock path
- Add try_cmpxchg64() implementation, with arch optimizations - and use it to
micro-optimize sched_clock_{local,remote}()
- Various force-inlining fixes to address objdump instrumentation-check warnings
- Add lock contention tracepoints:
lock:contention_begin
lock:contention_end
- Misc smaller fixes & cleanups
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
- rwsem cleanups & optimizations/fixes:
- Conditionally wake waiters in reader/writer slowpaths
- Always try to wake waiters in out_nolock path
- Add try_cmpxchg64() implementation, with arch optimizations - and use
it to micro-optimize sched_clock_{local,remote}()
- Various force-inlining fixes to address objdump instrumentation-check
warnings
- Add lock contention tracepoints:
lock:contention_begin
lock:contention_end
- Misc smaller fixes & cleanups
* tag 'locking-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/clock: Use try_cmpxchg64 in sched_clock_{local,remote}
locking/atomic/x86: Introduce arch_try_cmpxchg64
locking/atomic: Add generic try_cmpxchg64 support
futex: Remove a PREEMPT_RT_FULL reference.
locking/qrwlock: Change "queue rwlock" to "queued rwlock"
lockdep: Delete local_irq_enable_in_hardirq()
locking/mutex: Make contention tracepoints more consistent wrt adaptive spinning
locking: Apply contention tracepoints in the slow path
locking: Add lock contention tracepoints
locking/rwsem: Always try to wake waiters in out_nolock path
locking/rwsem: Conditionally wake waiters in reader/writer slowpaths
locking/rwsem: No need to check for handoff bit if wait queue empty
lockdep: Fix -Wunused-parameter for _THIS_IP_
x86/mm: Force-inline __phys_addr_nodebug()
x86/kvm/svm: Force-inline GHCB accessors
task_stack, x86/cea: Force-inline stack helpers
- Initial support for the ARMv9 Scalable Matrix Extension (SME). SME
takes the approach used for vectors in SVE and extends this to provide
architectural support for matrix operations. No KVM support yet, SME
is disabled in guests.
- Support for crashkernel reservations above ZONE_DMA via the
'crashkernel=X,high' command line option.
- btrfs search_ioctl() fix for live-lock with sub-page faults.
- arm64 perf updates: support for the Hisilicon "CPA" PMU for monitoring
coherent I/O traffic, support for Arm's CMN-650 and CMN-700
interconnect PMUs, minor driver fixes, kerneldoc cleanup.
- Kselftest updates for SME, BTI, MTE.
- Automatic generation of the system register macros from a 'sysreg'
file describing the register bitfields.
- Update the type of the function argument holding the ESR_ELx register
value to unsigned long to match the architecture register size
(originally 32-bit but extended since ARMv8.0).
- stacktrace cleanups.
- ftrace cleanups.
- Miscellaneous updates, most notably: arm64-specific huge_ptep_get(),
avoid executable mappings in kexec/hibernate code, drop TLB flushing
from get_clear_flush() (and rename it to get_clear_contig()),
ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- Initial support for the ARMv9 Scalable Matrix Extension (SME).
SME takes the approach used for vectors in SVE and extends this to
provide architectural support for matrix operations. No KVM support
yet, SME is disabled in guests.
- Support for crashkernel reservations above ZONE_DMA via the
'crashkernel=X,high' command line option.
- btrfs search_ioctl() fix for live-lock with sub-page faults.
- arm64 perf updates: support for the Hisilicon "CPA" PMU for
monitoring coherent I/O traffic, support for Arm's CMN-650 and
CMN-700 interconnect PMUs, minor driver fixes, kerneldoc cleanup.
- Kselftest updates for SME, BTI, MTE.
- Automatic generation of the system register macros from a 'sysreg'
file describing the register bitfields.
- Update the type of the function argument holding the ESR_ELx register
value to unsigned long to match the architecture register size
(originally 32-bit but extended since ARMv8.0).
- stacktrace cleanups.
- ftrace cleanups.
- Miscellaneous updates, most notably: arm64-specific huge_ptep_get(),
avoid executable mappings in kexec/hibernate code, drop TLB flushing
from get_clear_flush() (and rename it to get_clear_contig()),
ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE.
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (145 commits)
arm64/sysreg: Generate definitions for FAR_ELx
arm64/sysreg: Generate definitions for DACR32_EL2
arm64/sysreg: Generate definitions for CSSELR_EL1
arm64/sysreg: Generate definitions for CPACR_ELx
arm64/sysreg: Generate definitions for CONTEXTIDR_ELx
arm64/sysreg: Generate definitions for CLIDR_EL1
arm64/sve: Move sve_free() into SVE code section
arm64: Kconfig.platforms: Add comments
arm64: Kconfig: Fix indentation and add comments
arm64: mm: avoid writable executable mappings in kexec/hibernate code
arm64: lds: move special code sections out of kernel exec segment
arm64/hugetlb: Implement arm64 specific huge_ptep_get()
arm64/hugetlb: Use ptep_get() to get the pte value of a huge page
arm64: kdump: Do not allocate crash low memory if not needed
arm64/sve: Generate ZCR definitions
arm64/sme: Generate defintions for SVCR
arm64/sme: Generate SMPRI_EL1 definitions
arm64/sme: Automatically generate SMPRIMAP_EL2 definitions
arm64/sme: Automatically generate SMIDR_EL1 defines
arm64/sme: Automatically generate defines for SMCR
...
needed anymore
- Other misc improvements
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Merge tag 'x86_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core x86 updates from Borislav Petkov:
- Remove all the code around GS switching on 32-bit now that it is not
needed anymore
- Other misc improvements
* tag 'x86_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
bug: Use normal relative pointers in 'struct bug_entry'
x86/nmi: Make register_nmi_handler() more robust
x86/asm: Merge load_gs_index()
x86/32: Remove lazy GS macros
ELF: Remove elf_core_copy_kernel_regs()
x86/32: Simplify ELF_CORE_COPY_REGS
Core code:
- Make the managed interrupts more robust by shutting them down in the
core code when the assigned affinity mask does not contain online
CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to prevent
the GPIO subsystem from modifying it under the hood. This provides
the necessary infrastructure and converts a set of GPIO and pinctrl
drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough.
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Merge tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt handling updates from Thomas Gleixner:
"Core code:
- Make the managed interrupts more robust by shutting them down in
the core code when the assigned affinity mask does not contain
online CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to
prevent the GPIO subsystem from modifying it under the hood. This
provides the necessary infrastructure and converts a set of GPIO
and pinctrl drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing
outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough"
* tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
irqchip: Add Kconfig symbols for sunxi drivers
irqchip/gic-v3: Fix priority mask handling
irqchip/gic-v3: Refactor ISB + EOIR at ack time
irqchip/gic-v3: Ensure pseudo-NMIs have an ISB between ack and handling
genirq/irq_sim: Make the irq_work always run in hard irq context
irqchip/armada-370-xp: Do not touch Performance Counter Overflow on A375, A38x, A39x
irqchip/gic: Improved warning about incorrect type
irqchip/csky: Return true/false (not 1/0) from bool functions
irqchip/imx-irqsteer: Add runtime PM support
irqchip/imx-irqsteer: Constify irq_chip struct
irqchip/armada-370-xp: Enable MSI affinity configuration
irqchip/aspeed-scu-ic: Fix irq_of_parse_and_map() return value
irqchip/aspeed-i2c-ic: Fix irq_of_parse_and_map() return value
irqchip/sun6i-r: Use NULL for chip_data
irqchip/xtensa-mx: Fix initial IRQ affinity in non-SMP setup
irqchip/exiu: Fix acknowledgment of edge triggered interrupts
irqchip/gic-v3: Claim iomem resources
dt-bindings: interrupt-controller: arm,gic-v3: Make the v2 compat requirements explicit
irqchip/gic-v3: Relax polling of GIC{R,D}_CTLR.RWP
irqchip/gic-v3: Detect LPI invalidation MMIO registers
...
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
Introduce ethernet nodes in mt7986 bindings in order to
enable mt7986a/mt7986b ethernet support.
Co-developed-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
* Correctly expose GICv3 support even if no irqchip is created
so that userspace doesn't observe it changing pointlessly
(fixing a regression with QEMU)
* Don't issue a hypercall to set the id-mapped vectors when
protected mode is enabled (fix for pKVM in combination with
CPUs affected by Spectre-v3a)
x86: Five oneliners, of which the most interesting two are:
* a NULL pointer dereference on INVPCID executed with
paging disabled, but only if KVM is using shadow paging
* an incorrect bsearch comparison function which could truncate
the result and apply PMU event filtering incorrectly. This one
comes with a selftests update too.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Correctly expose GICv3 support even if no irqchip is created so
that userspace doesn't observe it changing pointlessly (fixing a
regression with QEMU)
- Don't issue a hypercall to set the id-mapped vectors when protected
mode is enabled (fix for pKVM in combination with CPUs affected by
Spectre-v3a)
x86 (five oneliners, of which the most interesting two are):
- a NULL pointer dereference on INVPCID executed with paging
disabled, but only if KVM is using shadow paging
- an incorrect bsearch comparison function which could truncate the
result and apply PMU event filtering incorrectly. This one comes
with a selftests update too"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID
KVM: x86: hyper-v: fix type of valid_bank_mask
KVM: Free new dirty bitmap if creating a new memslot fails
KVM: eventfd: Fix false positive RCU usage warning
selftests: kvm/x86: Verify the pmu event filter matches the correct event
selftests: kvm/x86: Add the helper function create_pmu_event_filter
kvm: x86/pmu: Fix the compare function used by the pmu event filter
KVM: arm64: Don't hypercall before EL2 init
KVM: arm64: vgic-v3: Consistently populate ID_AA64PFR0_EL1.GIC
KVM: x86/mmu: Update number of zapped pages even if page list is stable
- Add missing write barrier to publish MTE tags before a pte update
- Fix kexec relocation clobbering its own data structures
- Fix stolen time crash if a timer IRQ fires during CPU hotplug
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Three arm64 fixes for -rc8/final.
The MTE and stolen time fixes have been doing the rounds for a little
while, but review and testing feedback was ongoing until earlier this
week. The kexec fix showed up on Monday and addresses a failure
observed under Qemu.
Summary:
- Add missing write barrier to publish MTE tags before a pte update
- Fix kexec relocation clobbering its own data structures
- Fix stolen time crash if a timer IRQ fires during CPU hotplug"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mte: Ensure the cleared tags are visible before setting the PTE
arm64: kexec: load from kimage prior to clobbering
arm64: paravirt: Use RCU read locks to guard stolen_time
* for-next/esr-elx-64-bit:
: Treat ESR_ELx as a 64-bit register.
KVM: arm64: uapi: Add kvm_debug_exit_arch.hsr_high
KVM: arm64: Treat ESR_EL2 as a 64-bit register
arm64: Treat ESR_ELx as a 64-bit register
arm64: compat: Do not treat syscall number as ESR_ELx for a bad syscall
arm64: Make ESR_ELx_xVC_IMM_MASK compatible with assembly
* for-next/sysreg-gen: (32 commits)
: Automatic system register definition generation.
arm64/sysreg: Generate definitions for FAR_ELx
arm64/sysreg: Generate definitions for DACR32_EL2
arm64/sysreg: Generate definitions for CSSELR_EL1
arm64/sysreg: Generate definitions for CPACR_ELx
arm64/sysreg: Generate definitions for CONTEXTIDR_ELx
arm64/sysreg: Generate definitions for CLIDR_EL1
arm64/sve: Generate ZCR definitions
arm64/sme: Generate defintions for SVCR
arm64/sme: Generate SMPRI_EL1 definitions
arm64/sme: Automatically generate SMPRIMAP_EL2 definitions
arm64/sme: Automatically generate SMIDR_EL1 defines
arm64/sme: Automatically generate defines for SMCR
arm64/sysreg: Support generation of RAZ fields
arm64/sme: Remove _EL0 from name of SVCR - FIXME sysreg.h
arm64/sme: Standardise bitfield names for SVCR
arm64/sme: Drop SYS_ from SMIDR_EL1 defines
arm64/fp: Rename SVE and SME LEN field name to _WIDTH
arm64/fp: Make SVE and SME length register definition match architecture
arm64/sysreg: fix odd line spacing
arm64/sysreg: improve comment for regs without fields
...
* arm64/for-next/perf:
perf/arm-cmn: Decode CAL devices properly in debugfs
perf/arm-cmn: Fix filter_sel lookup
perf/marvell_cn10k: Fix tad_pmu_event_init() to check pmu type first
drivers/perf: hisi: Add Support for CPA PMU
drivers/perf: hisi: Associate PMUs in SICL with CPUs online
drivers/perf: arm_spe: Expose saturating counter to 16-bit
perf/arm-cmn: Add CMN-700 support
perf/arm-cmn: Refactor occupancy filter selector
perf/arm-cmn: Add CMN-650 support
dt-bindings: perf: arm-cmn: Add CMN-650 and CMN-700
perf: check return value of armpmu_request_irq()
perf: RISC-V: Remove non-kernel-doc ** comments
* for-next/sme: (30 commits)
: Scalable Matrix Extensions support.
arm64/sve: Move sve_free() into SVE code section
arm64/sve: Make kernel FPU protection RT friendly
arm64/sve: Delay freeing memory in fpsimd_flush_thread()
arm64/sme: More sensibly define the size for the ZA register set
arm64/sme: Fix NULL check after kzalloc
arm64/sme: Add ID_AA64SMFR0_EL1 to __read_sysreg_by_encoding()
arm64/sme: Provide Kconfig for SME
KVM: arm64: Handle SME host state when running guests
KVM: arm64: Trap SME usage in guest
KVM: arm64: Hide SME system registers from guests
arm64/sme: Save and restore streaming mode over EFI runtime calls
arm64/sme: Disable streaming mode and ZA when flushing CPU state
arm64/sme: Add ptrace support for ZA
arm64/sme: Implement ptrace support for streaming mode SVE registers
arm64/sme: Implement ZA signal handling
arm64/sme: Implement streaming SVE signal handling
arm64/sme: Disable ZA and streaming mode when handling signals
arm64/sme: Implement traps and syscall handling for SME
arm64/sme: Implement ZA context switching
arm64/sme: Implement streaming SVE context switching
...
* for-next/stacktrace:
: Stacktrace cleanups.
arm64: stacktrace: align with common naming
arm64: stacktrace: rename stackframe to unwind_state
arm64: stacktrace: rename unwinder functions
arm64: stacktrace: make struct stackframe private to stacktrace.c
arm64: stacktrace: delete PCS comment
arm64: stacktrace: remove NULL task check from unwind_frame()
* for-next/fault-in-subpage:
: btrfs search_ioctl() live-lock fix using fault_in_subpage_writeable().
btrfs: Avoid live-lock in search_ioctl() on hardware with sub-page faults
arm64: Add support for user sub-page fault probing
mm: Add fault_in_subpage_writeable() to probe at sub-page granularity
* for-next/misc:
: Miscellaneous patches.
arm64: Kconfig.platforms: Add comments
arm64: Kconfig: Fix indentation and add comments
arm64: mm: avoid writable executable mappings in kexec/hibernate code
arm64: lds: move special code sections out of kernel exec segment
arm64/hugetlb: Implement arm64 specific huge_ptep_get()
arm64/hugetlb: Use ptep_get() to get the pte value of a huge page
arm64: mm: Make arch_faults_on_old_pte() check for migratability
arm64: mte: Clean up user tag accessors
arm64/hugetlb: Drop TLB flush from get_clear_flush()
arm64: Declare non global symbols as static
arm64: mm: Cleanup useless parameters in zone_sizes_init()
arm64: fix types in copy_highpage()
arm64: Set ARCH_NR_GPIO to 2048 for ARCH_APPLE
arm64: cputype: Avoid overflow using MIDR_IMPLEMENTOR_MASK
arm64: document the boot requirements for MTE
arm64/mm: Compute PTRS_PER_[PMD|PUD] independently of PTRS_PER_PTE
* for-next/ftrace:
: ftrace cleanups.
arm64/ftrace: Make function graph use ftrace directly
ftrace: cleanup ftrace_graph_caller enable and disable
* for-next/crashkernel:
: Support for crashkernel reservations above ZONE_DMA.
arm64: kdump: Do not allocate crash low memory if not needed
docs: kdump: Update the crashkernel description for arm64
of: Support more than one crash kernel regions for kexec -s
of: fdt: Add memory for devices by DT property "linux,usable-memory-range"
arm64: kdump: Reimplement crashkernel=X
arm64: Use insert_resource() to simplify code
kdump: return -ENOENT if required cmdline option does not exist
Convert FAR_ELx to automatic register generation as per DDI0487H.a. In the
architecture these registers have a single field "named" as "Faulting
Virtual Address for synchronous exceptions taken to ELx" occupying the
entire register, in order to fit in with the requirement to describe the
contents of the register I have created a single field named ADDR.
No functional change.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220520161639.324236-7-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Convert DACR32_EL2 to automatic register generation as per DDI0487H.a, no
functional change.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220520161639.324236-6-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Convert CSSELR_EL1 to automatic generation as per DDI0487H.a, no functional
change.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220520161639.324236-5-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Convert the CPACR system register definitions to be automatically generated
using the definitions in DDI0487H.a. The kernel does have some additional
definitions for subfields of SMEN, FPEN and ZEN which are not identified as
distinct subfields in the architecture so the definitions are not updated
as part of this patch.
No functional change.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220520161639.324236-4-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Linus Torvalds