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37909 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Jiri Pirko
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05f0431bb9 |
netlink: specs: devlink: add forgotten port function caps enum values
Add two enum values that the blamed commit omitted.
Fixes:
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Linus Torvalds
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1e0c505e13 |
asm-generic updates for v6.7
The ia64 architecture gets its well-earned retirement as planned, now that there is one last (mostly) working release that will be maintained as an LTS kernel. The architecture specific system call tables are updated for the added map_shadow_stack() syscall and to remove references to the long-gone sys_lookup_dcookie() syscall. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmVC40IACgkQYKtH/8kJ Uidhmw/9EX+aWSXGoObJ3fngaNSMw+PmrEuP8qEKBHxfKHcCdX3hc451Oh4GlhaQ tru91pPwgNvN2/rfoKusxT+V4PemGIzfNni/04rp+P0kvmdw5otQ2yNhsQNsfVmq XGWvkxF4P2GO6bkjjfR/1dDq7GtlyXtwwPDKeLbYb6TnJOZjtx+EAN27kkfSn1Ms R4Sa3zJ+DfHUmHL5S9g+7UD/CZ5GfKNmIskI4Mz5GsfoUz/0iiU+Bge/9sdcdSJQ kmbLy5YnVzfooLZ3TQmBFsO3iAMWb0s/mDdtyhqhTVmTUshLolkPYyKnPFvdupyv shXcpEST2XJNeaDRnL2K4zSCdxdbnCZHDpjfl9wfioBg7I8NfhXKpf1jYZHH1de4 LXq8ndEFEOVQw/zSpYWfQq1sux8Jiqr+UK/ukbVeFWiGGIUs91gEWtPAf8T0AZo9 ujkJvaWGl98O1g5wmBu0/dAR6QcFJMDfVwbmlIFpU8O+MEaz6X8mM+O5/T0IyTcD eMbAUjj4uYcU7ihKzHEv/0SS9Of38kzff67CLN5k8wOP/9NlaGZ78o1bVle9b52A BdhrsAefFiWHp1jT6Y9Rg4HOO/TguQ9e6EWSKOYFulsiLH9LEFaB9RwZLeLytV0W vlAgY9rUW77g1OJcb7DoNv33nRFuxsKqsnz3DEIXtgozo9CzbYI= =H1vH -----END PGP SIGNATURE----- Merge tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull ia64 removal and asm-generic updates from Arnd Bergmann: - The ia64 architecture gets its well-earned retirement as planned, now that there is one last (mostly) working release that will be maintained as an LTS kernel. - The architecture specific system call tables are updated for the added map_shadow_stack() syscall and to remove references to the long-gone sys_lookup_dcookie() syscall. * tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: hexagon: Remove unusable symbols from the ptrace.h uapi asm-generic: Fix spelling of architecture arch: Reserve map_shadow_stack() syscall number for all architectures syscalls: Cleanup references to sys_lookup_dcookie() Documentation: Drop or replace remaining mentions of IA64 lib/raid6: Drop IA64 support Documentation: Drop IA64 from feature descriptions kernel: Drop IA64 support from sig_fault handlers arch: Remove Itanium (IA-64) architecture |
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Linus Torvalds
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f5277ad1e9 |
for-6.7/io_uring-sockopt-2023-10-30
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Merge tag 'for-6.7/io_uring-sockopt-2023-10-30' of git://git.kernel.dk/linux
Pull io_uring {get,set}sockopt support from Jens Axboe:
"This adds support for using getsockopt and setsockopt via io_uring.
The main use cases for this is to enable use of direct descriptors,
rather than first instantiating a normal file descriptor, doing the
option tweaking needed, then turning it into a direct descriptor. With
this support, we can avoid needing a regular file descriptor
completely.
The net and bpf bits have been signed off on their side"
* tag 'for-6.7/io_uring-sockopt-2023-10-30' of git://git.kernel.dk/linux:
selftests/bpf/sockopt: Add io_uring support
io_uring/cmd: Introduce SOCKET_URING_OP_SETSOCKOPT
io_uring/cmd: Introduce SOCKET_URING_OP_GETSOCKOPT
io_uring/cmd: return -EOPNOTSUPP if net is disabled
selftests/net: Extract uring helpers to be reusable
tools headers: Grab copy of io_uring.h
io_uring/cmd: Pass compat mode in issue_flags
net/socket: Break down __sys_getsockopt
net/socket: Break down __sys_setsockopt
bpf: Add sockptr support for setsockopt
bpf: Add sockptr support for getsockopt
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Linus Torvalds
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8999ad99f4 |
* Refactor and clean up TDX hypercall/module call infrastructure
* Handle retrying/resuming page conversion hypercalls * Make sure to use the (shockingly) reliable TSC in TDX guests -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEV76QKkVc4xCGURexaDWVMHDJkrAFAmVBlqMACgkQaDWVMHDJ krBrhBAArKay0MvzmdzS4IQs8JqkmuMEHI6WabYv2POPjJNXrn5MelLH972pLuX9 NJ3+yeOLmNMYwqu5qwLCxyeO5CtqEyT2lNumUrxAtHQG4+oS2RYJYUalxMuoGxt8 fAHxbItFg0TobBSUtwcnN2R2WdXwPuUW0Co+pJfLlZV4umVM7QANO1nf1g8YmlDD sVtpDaeKJRdylmwgWgAyGow0tDKd6oZB9j/vOHvZRrEQ+DMjEtG75fjwbjbu43Cl tI/fbxKjzAkOFcZ7PEPsQ8jE1h9DXU+JzTML9Nu/cPMalxMeBg3Dol/JOEbqgreI 4W8Lg7g071EkUcQDxpwfe4aS6rsfsbwUIV4gJVkg9ZhlT7RayWsFik2CfBpJ4IMQ TM8BxtCEGCz3cxVvg3mstX9rRA7eNlXOzcKE/8Y7cpSsp94bA9jtf2GgUSUoi9St y+fIEei8mgeHutdiFh8psrmR7hp6iX/ldMFqHtjNo6xatf2KjdVHhVSU13Jz544z 43ATNi1gZeHOgfwlAlIxLPDVDJidHuux3f6g2vfMkAqItyEqFauC1HA1pIDgckoY 9FpBPp9vNUToSPp6reB6z/PkEBIrG2XtQh82JLt2CnCb6aTUtnPds+psjtT4sSE/ a9SQvZLWWmpj+BlI2yrtfJzhy7SwhltgdjItQHidmCNEn0PYfTc= =FJ1Y -----END PGP SIGNATURE----- Merge tag 'x86_tdx_for_6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 TDX updates from Dave Hansen: "The majority of this is a rework of the assembly and C wrappers that are used to talk to the TDX module and VMM. This is a nice cleanup in general but is also clearing the way for using this code when Linux is the TDX VMM. There are also some tidbits to make TDX guests play nicer with Hyper-V and to take advantage the hardware TSC. Summary: - Refactor and clean up TDX hypercall/module call infrastructure - Handle retrying/resuming page conversion hypercalls - Make sure to use the (shockingly) reliable TSC in TDX guests" [ TLA reminder: TDX is "Trust Domain Extensions", Intel's guest VM confidentiality technology ] * tag 'x86_tdx_for_6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/tdx: Mark TSC reliable x86/tdx: Fix __noreturn build warning around __tdx_hypercall_failed() x86/virt/tdx: Make TDX_MODULE_CALL handle SEAMCALL #UD and #GP x86/virt/tdx: Wire up basic SEAMCALL functions x86/tdx: Remove 'struct tdx_hypercall_args' x86/tdx: Reimplement __tdx_hypercall() using TDX_MODULE_CALL asm x86/tdx: Make TDX_HYPERCALL asm similar to TDX_MODULE_CALL x86/tdx: Extend TDX_MODULE_CALL to support more TDCALL/SEAMCALL leafs x86/tdx: Pass TDCALL/SEAMCALL input/output registers via a structure x86/tdx: Rename __tdx_module_call() to __tdcall() x86/tdx: Make macros of TDCALLs consistent with the spec x86/tdx: Skip saving output regs when SEAMCALL fails with VMFailInvalid x86/tdx: Zero out the missing RSI in TDX_HYPERCALL macro x86/tdx: Retry partially-completed page conversion hypercalls |
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Linus Torvalds
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56ec8e4cd8 |
arm64 updates for 6.7:
* Major refactoring of the CPU capability detection logic resulting in
the removal of the cpus_have_const_cap() function and migrating the
code to "alternative" branches where possible
* Backtrace/kgdb: use IPIs and pseudo-NMI
* Perf and PMU:
- Add support for Ampere SoC PMUs
- Multi-DTC improvements for larger CMN configurations with multiple
Debug & Trace Controllers
- Rework the Arm CoreSight PMU driver to allow separate registration of
vendor backend modules
- Fixes: add missing MODULE_DEVICE_TABLE to the amlogic perf
driver; use device_get_match_data() in the xgene driver; fix NULL
pointer dereference in the hisi driver caused by calling
cpuhp_state_remove_instance(); use-after-free in the hisi driver
* HWCAP updates:
- FEAT_SVE_B16B16 (BFloat16)
- FEAT_LRCPC3 (release consistency model)
- FEAT_LSE128 (128-bit atomic instructions)
* SVE: remove a couple of pseudo registers from the cpufeature code.
There is logic in place already to detect mismatched SVE features
* Miscellaneous:
- Reduce the default swiotlb size (currently 64MB) if no ZONE_DMA
bouncing is needed. The buffer is still required for small kmalloc()
buffers
- Fix module PLT counting with !RANDOMIZE_BASE
- Restrict CPU_BIG_ENDIAN to LLVM IAS 15.x or newer move
synchronisation code out of the set_ptes() loop
- More compact cpufeature displaying enabled cores
- Kselftest updates for the new CPU features
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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:
"No major architecture features this time around, just some new HWCAP
definitions, support for the Ampere SoC PMUs and a few fixes/cleanups.
The bulk of the changes is reworking of the CPU capability checking
code (cpus_have_cap() etc).
- Major refactoring of the CPU capability detection logic resulting
in the removal of the cpus_have_const_cap() function and migrating
the code to "alternative" branches where possible
- Backtrace/kgdb: use IPIs and pseudo-NMI
- Perf and PMU:
- Add support for Ampere SoC PMUs
- Multi-DTC improvements for larger CMN configurations with
multiple Debug & Trace Controllers
- Rework the Arm CoreSight PMU driver to allow separate
registration of vendor backend modules
- Fixes: add missing MODULE_DEVICE_TABLE to the amlogic perf
driver; use device_get_match_data() in the xgene driver; fix
NULL pointer dereference in the hisi driver caused by calling
cpuhp_state_remove_instance(); use-after-free in the hisi driver
- HWCAP updates:
- FEAT_SVE_B16B16 (BFloat16)
- FEAT_LRCPC3 (release consistency model)
- FEAT_LSE128 (128-bit atomic instructions)
- SVE: remove a couple of pseudo registers from the cpufeature code.
There is logic in place already to detect mismatched SVE features
- Miscellaneous:
- Reduce the default swiotlb size (currently 64MB) if no ZONE_DMA
bouncing is needed. The buffer is still required for small
kmalloc() buffers
- Fix module PLT counting with !RANDOMIZE_BASE
- Restrict CPU_BIG_ENDIAN to LLVM IAS 15.x or newer move
synchronisation code out of the set_ptes() loop
- More compact cpufeature displaying enabled cores
- Kselftest updates for the new CPU features"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (83 commits)
arm64: Restrict CPU_BIG_ENDIAN to GNU as or LLVM IAS 15.x or newer
arm64: module: Fix PLT counting when CONFIG_RANDOMIZE_BASE=n
arm64, irqchip/gic-v3, ACPI: Move MADT GICC enabled check into a helper
perf: hisi: Fix use-after-free when register pmu fails
drivers/perf: hisi_pcie: Initialize event->cpu only on success
drivers/perf: hisi_pcie: Check the type first in pmu::event_init()
arm64: cpufeature: Change DBM to display enabled cores
arm64: cpufeature: Display the set of cores with a feature
perf/arm-cmn: Enable per-DTC counter allocation
perf/arm-cmn: Rework DTC counters (again)
perf/arm-cmn: Fix DTC domain detection
drivers: perf: arm_pmuv3: Drop some unused arguments from armv8_pmu_init()
drivers: perf: arm_pmuv3: Read PMMIR_EL1 unconditionally
drivers/perf: hisi: use cpuhp_state_remove_instance_nocalls() for hisi_hns3_pmu uninit process
clocksource/drivers/arm_arch_timer: limit XGene-1 workaround
arm64: Remove system_uses_lse_atomics()
arm64: Mark the 'addr' argument to set_ptes() and __set_pte_at() as unused
drivers/perf: xgene: Use device_get_match_data()
perf/amlogic: add missing MODULE_DEVICE_TABLE
arm64/mm: Hoist synchronization out of set_ptes() loop
...
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Linus Torvalds
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8bc9e65151 |
Devicetree updates for 6.7:
- Add a kselftest to check for unprobed DT devices - Fix address translation for some 3 address cells cases - Refactor firmware node refcounting for AMBA bus - Add bindings for qcom,sm4450-pdc, Qualcomm Kryo 465 CPU, and Freescale QMC HDLC - Add Marantec vendor prefix - Convert qcom,pm8921-keypad, cnxt,cx92755-wdt, da9062-wdt, and atmel,at91rm9200-wdt bindings to DT schema - Several additionalProperties/unevaluatedProperties on child node schemas fixes - Drop reserved-memory bindings which now live in dtschema project - Fix a reference to rockchip,inno-usb2phy.yaml - Remove backlight nodes from display panel examples - Expand example for using DT_SCHEMA_FILES - Merge simple LVDS panel bindings to one binding doc -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmVBdEoACgkQ+vtdtY28 YcObKw//ZkdPTh8t2m4ZH0kGSzcFGx1RiRxOOwVW9UTLovGDsxHixxu/j/9kerQw LHQH2UntlpmZhfIGgqlDf6QrPIuCAFLKTlx0+G2upq4TfHWUEOGcGCracDs65zJa XleEDw9Kt37fiVMUH/i+0mKTm98f+Zb//7IReSzGYtKW1alIr8TAUds26SbBckQ+ /KClOJXuJmsqIWi3cJm3j59rzsSUcnLPR/GHEa03grazZXZ1MNHeaGB3+xZmSKMu 0rhJrBX3PICxFx7FZevZFcHR4S4BQWmste72GTPZi+Htb3CtgjJFkzRdutoPByF7 sSaLhs7f2msfcXhlgw2QoK3Wb2m33cZ+TaESXxx4YmVs/pRMD7kPGfODk7qf+vvJ kPN+bPh2THlp/L8x7S5EeqH+8NqJzXrdLf7CSUnOmkF/0GZ7/Id3Wt0rpoQeXLs3 gi/v3K6qDyBKJ8cqEudftXMiYFcmSQJMvOA3x97j2J5iDAYltNFwI30hE07uXFhz WpNt/6wM8JLtQfL1IiMiL2I++0tEA4zCc8/aLfwcl6IkAjbP8KTGxtw3gFcyGaqt jzJQXr0j2xrfN6M/g55xXpPhN7R+2NaeiDETlDF9NggadrwnV7Nn9FFxASSXNomD BQU0jIECDo946NJv7/vw7RKxDJuzNdmqp54QZwoMlUPdxJgMw6g= =JCj5 -----END PGP SIGNATURE----- Merge tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: - Add a kselftest to check for unprobed DT devices - Fix address translation for some 3 address cells cases - Refactor firmware node refcounting for AMBA bus - Add bindings for qcom,sm4450-pdc, Qualcomm Kryo 465 CPU, and Freescale QMC HDLC - Add Marantec vendor prefix - Convert qcom,pm8921-keypad, cnxt,cx92755-wdt, da9062-wdt, and atmel,at91rm9200-wdt bindings to DT schema - Several additionalProperties/unevaluatedProperties on child node schemas fixes - Drop reserved-memory bindings which now live in dtschema project - Fix a reference to rockchip,inno-usb2phy.yaml - Remove backlight nodes from display panel examples - Expand example for using DT_SCHEMA_FILES - Merge simple LVDS panel bindings to one binding doc * tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (34 commits) dt-bindings: soc: fsl: cpm_qe: cpm1-scc-qmc: Add support for QMC HDLC dt-bindings: soc: fsl: cpm_qe: cpm1-scc-qmc: Add 'additionalProperties: false' in child nodes dt-bindings: soc: fsl: cpm_qe: cpm1-scc-qmc: Fix example property name dt-bindings: arm,coresight-cti: Add missing additionalProperties on child nodes dt-bindings: arm,coresight-cti: Drop type for 'cpu' property dt-bindings: soundwire: Add reference to soundwire-controller.yaml schema dt-bindings: input: syna,rmi4: Make "additionalProperties: true" explicit media: dt-bindings: ti,ds90ub960: Add missing type for "i2c-alias" dt-bindings: input: qcom,pm8921-keypad: convert to YAML format of: overlay: unittest: overlay_bad_unresolved: Spelling s/ok/okay/ of: address: Consolidate bus .map() functions of: address: Store number of bus flag cells rather than bool of: unittest: Add tests for address translations of: address: Remove duplicated functions of: address: Fix address translation when address-size is greater than 2 dt-bindings: watchdog: cnxt,cx92755-wdt: convert txt to yaml dt-bindings: watchdog: da9062-wdt: convert txt to yaml dt-bindings: watchdog: fsl,scu-wdt: Document imx8dl dt-bindings: watchdog: atmel,at91rm9200-wdt: convert txt to yaml dt-bindings: usb: rockchip,dwc3: update inno usb2 phy binding name ... |
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Linus Torvalds
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59fff63cc2 |
platform-drivers-x86 for v6.7-1
Highlights: - asus-wmi: Support for screenpad and solve brightness key press duplication - int3472: Eliminate the last use of deprecated GPIO functions - mlxbf-pmc: New HW support - msi-ec: Support new EC configurations - thinkpad_acpi: Support reading aux MAC address during passthrough - wmi: Fixes & improvements - x86-android-tablets: Detection fix and avoid use of GPIO private APIs - Debug & metrics interface improvements - Miscellaneous cleanups / fixes / improvements The following is an automated shortlog grouped by driver: acer-wmi: - Remove void function return amd/hsmp: - add support for metrics tbl - create plat specific struct - Fix iomem handling - improve the error log amd/pmc: - Add dump_custom_stb module parameter - Add PMFW command id to support S2D force flush - Handle overflow cases where the num_samples range is higher - Use flex array when calling amd_pmc_stb_debugfs_open_v2() asus-wireless: - Replace open coded acpi_match_acpi_device() asus-wmi: - add support for ASUS screenpad - Do not report brightness up/down keys when also reported by acpi_video gpiolib: acpi: - Add a ignore interrupt quirk for Peaq C1010 - Check if a GPIO is listed in ignore_interrupt earlier hp-bioscfg: - Annotate struct bios_args with __counted_by inspur-platform-profile: - Add platform profile support int3472: - Add new skl_int3472_fill_gpiod_lookup() helper - Add new skl_int3472_gpiod_get_from_temp_lookup() helper - Stop using gpiod_toggle_active_low() - Switch to devm_get_gpiod() intel: bytcrc_pwrsrc: - Convert to platform remove callback returning void intel/ifs: - Add new CPU support - Add new error code - ARRAY BIST for Sierra Forest - Gen2 scan image loading - Gen2 Scan test support - Metadata validation for start_chunk - Refactor image loading code - Store IFS generation number - Validate image size intel_speed_select_if: - Remove hardcoded map size - Use devm_ioremap_resource intel/tpmi: - Add debugfs support for read/write blocked - Add defines to get version information intel-uncore-freq: - Ignore minor version change ISST: - Allow level 0 to be not present - Ignore minor version change - Use fuse enabled mask instead of allowed levels mellanox: - Fix misspelling error in routine name - Rename some init()/exit() functions for consistent naming mlxbf-bootctl: - Convert to platform remove callback returning void mlxbf-pmc: - Add support for BlueField-3 mlxbf-tmfifo: - Convert to platform remove callback returning void mlx-Convert to platform remove callback returning void: - mlx-Convert to platform remove callback returning void mlxreg-hotplug: - Convert to platform remove callback returning void mlxreg-io: - Convert to platform remove callback returning void mlxreg-lc: - Convert to platform remove callback returning void msi-ec: - Add more EC configs - rename fn_super_swap nvsw-sn2201: - Convert to platform remove callback returning void sel3350-Convert to platform remove callback returning void: - sel3350-Convert to platform remove callback returning void siemens: simatic-ipc-batt-apollolake: - Convert to platform remove callback returning void siemens: simatic-ipc-batt: - Convert to platform remove callback returning void siemens: simatic-ipc-batt-elkhartlake: - Convert to platform remove callback returning void siemens: simatic-ipc-batt-f7188x: - Convert to platform remove callback returning void siemens: simatic-ipc-batt: - Simplify simatic_ipc_batt_remove() surface: acpi-notify: - Convert to platform remove callback returning void surface: aggregator: - Annotate struct ssam_event with __counted_by surface: aggregator-cdev: - Convert to platform remove callback returning void surface: aggregator-registry: - Convert to platform remove callback returning void surface: dtx: - Convert to platform remove callback returning void surface: gpe: - Convert to platform remove callback returning void surface: hotplug: - Convert to platform remove callback returning void surface: surface3-wmi: - Convert to platform remove callback returning void think-lmi: - Add bulk save feature - Replace kstrdup() + strreplace() with kstrdup_and_replace() - Use strreplace() to replace a character by nul thinkpad_acpi: - Add battery quirk for Thinkpad X120e - replace deprecated strncpy with memcpy - sysfs interface to auxmac tools/power/x86/intel-speed-select: - Display error for core-power support - Increase max CPUs in one request - No TRL for non compute domains - Sanitize integer arguments - turbo-mode enable disable swapped - Update help for TRL - Use cgroup isolate for CPU 0 - v1.18 release wmi: - Decouple probe deferring from wmi_block_list - Decouple WMI device removal from wmi_block_list - Fix opening of char device - Fix probe failure when failing to register WMI devices - Fix refcounting of WMI devices in legacy functions x86-android-tablets: - Add a comment about x86_android_tablet_get_gpiod() - Create a platform_device from module_init() - Drop "linux,power-supply-name" from lenovo_yt3_bq25892_0_props[] - Fix Lenovo Yoga Tablet 2 830F/L vs 1050F/L detection - Remove invalid_aei_gpiochip from Peaq C1010 - Remove invalid_aei_gpiochip support - Stop using gpiolib private APIs - Use platform-device as gpio-keys parent xo15-ebook: - Replace open coded acpi_match_acpi_device() Merges: - Merge branch 'pdx86/platform-drivers-x86-int3472' into review-ilpo - Merge branch 'pdx86/platform-drivers-x86-mellanox-init' into review-ilpo - Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-ilpo - Merge remote-tracking branch 'pdx86/platform-drivers-x86-android-tablets' into review-hans -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSCSUwRdwTNL2MhaBlZrE9hU+XOMQUCZT+lBwAKCRBZrE9hU+XO Mck0AQCFU7dYLCF4d1CXtHf1eZhSXLpYdhcO+C08JGGoM+MqSgD+Jyb9KJHk4pxE FvKG51I9neyAne9lvNrLodHRzxCYgAo= =duM8 -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver updates from Ilpo Järvinen: - asus-wmi: Support for screenpad and solve brightness key press duplication - int3472: Eliminate the last use of deprecated GPIO functions - mlxbf-pmc: New HW support - msi-ec: Support new EC configurations - thinkpad_acpi: Support reading aux MAC address during passthrough - wmi: Fixes & improvements - x86-android-tablets: Detection fix and avoid use of GPIO private APIs - Debug & metrics interface improvements - Miscellaneous cleanups / fixes / improvements * tag 'platform-drivers-x86-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (80 commits) platform/x86: inspur-platform-profile: Add platform profile support platform/x86: thinkpad_acpi: Add battery quirk for Thinkpad X120e platform/x86: wmi: Decouple WMI device removal from wmi_block_list platform/x86: wmi: Fix opening of char device platform/x86: wmi: Fix probe failure when failing to register WMI devices platform/x86: wmi: Fix refcounting of WMI devices in legacy functions platform/x86: wmi: Decouple probe deferring from wmi_block_list platform/x86/amd/hsmp: Fix iomem handling platform/x86: asus-wmi: Do not report brightness up/down keys when also reported by acpi_video platform/x86: thinkpad_acpi: replace deprecated strncpy with memcpy tools/power/x86/intel-speed-select: v1.18 release tools/power/x86/intel-speed-select: Use cgroup isolate for CPU 0 tools/power/x86/intel-speed-select: Increase max CPUs in one request tools/power/x86/intel-speed-select: Display error for core-power support tools/power/x86/intel-speed-select: No TRL for non compute domains tools/power/x86/intel-speed-select: turbo-mode enable disable swapped tools/power/x86/intel-speed-select: Update help for TRL tools/power/x86/intel-speed-select: Sanitize integer arguments platform/x86: acer-wmi: Remove void function return platform/x86/amd/pmc: Add dump_custom_stb module parameter ... |
||
|
Linus Torvalds
|
ad1871ad8d |
Power management updates for 6.7-rc1
- Add support for several Qualcomm SoC versions and other similar
changes (Christian Marangi, Dmitry Baryshkov, Luca Weiss, Neil
Armstrong, Richard Acayan, Robert Marko, Rohit Agarwal, Stephan
Gerhold and Varadarajan Narayanan).
- Clean up the tegra cpufreq driver (Sumit Gupta).
- Use of_property_read_reg() to parse "reg" in pmac32 driver (Rob
Herring).
- Add support for TI's am62p5 Soc (Bryan Brattlof).
- Make ARM_BRCMSTB_AVS_CPUFREQ depends on !ARM_SCMI_CPUFREQ (Florian
Fainelli).
- Update Kconfig to mention i.MX7 as well (Alexander Stein).
- Revise global turbo disable check in intel_pstate (Srinivas
Pandruvada).
- Carry out initialization of sg_cpu in the schedutil cpufreq governor
in one loop (Liao Chang).
- Simplify the condition for storing 'down_threshold' in the
conservative cpufreq governor (Liao Chang).
- Use fine-grained mutex in the userspace cpufreq governor (Liao
Chang).
- Move is_managed indicator in the userspace cpufreq governor into a
per-policy structure (Liao Chang).
- Rebuild sched-domains when removing cpufreq driver (Pierre Gondois).
- Fix buffer overflow detection in trans_stats() (Christian Marangi).
- Switch to dev_pm_opp_find_freq_(ceil/floor)_indexed() APIs to support
specific devices like UFS which handle multiple clocks through OPP
(Operating Performance Point) framework (Manivannan Sadhasivam).
- Add perf support to the Rockchip DFI (DDR Monitor Module) devfreq-
event driver:
* Generalize rockchip-dfi.c to support new RK3568/RK3588 using
different DDR type (Sascha Hauer).
* Convert DT binding document format to yaml (Sascha Hauer).
* Add perf support for DFI (a unit suitable for measuring DDR
utilization) to rockchip-dfi.c to extend DFI usage (Sascha Hauer).
- Add locking to the OPP handling code in the Mediatek CCI devfreq
driver, because the voltage of shared OPP might be changed by
multiple drivers (Mark Tseng, Dan Carpenter).
- Use device_get_match_data() in the Samsung Exynos PPMU devfreq-event
driver (Rob Herring).
- Extend support for the opp-level beyond required-opps (Ulf Hansson).
- Add dev_pm_opp_find_level_floor() (Krishna chaitanya chundru).
- dt-bindings: Allow opp-peak-kBpsfor kryo CPUs, support Qualcomm Krait
SoCs and document named opp-microvolt property (Bjorn Andersson,
Dmitry Baryshkov and Christian Marangi).
- Fix -Wunsequenced warning _of_add_opp_table_v1() (Nathan Chancellor).
- General cleanup of OPP code (Viresh Kumar).
- Use __get_safe_page() rather than touching the list in hibernation
snapshot code (Brian Geffon).
- Fix symbol export for _SIMPLE_ variants of _PM_OPS() (Raag Jadav).
- Clean up sync_read handling in snapshot_write_next() (Brian Geffon).
- Fix kerneldoc comments for swsusp_check() and swsusp_close() to
better match code (Christoph Hellwig).
- Downgrade BIOS locked limits pr_warn() in the Intel RAPL power
capping driver to pr_debug() (Ville Syrjälä).
- Change the minimum python version for the intel_pstate_tracer utility
from 2.7 to 3.6 (Doug Smythies).
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Merge tag 'pm-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add new hardware support (new Qualcomm SoC versions in cpufreq,
RK3568/RK3588 in devfreq), extend the OPP (operating performance
points) framework, improve cpufreq governors, fix issues and clean up
code (most of the changes are in cpufreq and devfreq).
Specifics:
- Add support for several Qualcomm SoC versions and other similar
changes (Christian Marangi, Dmitry Baryshkov, Luca Weiss, Neil
Armstrong, Richard Acayan, Robert Marko, Rohit Agarwal, Stephan
Gerhold and Varadarajan Narayanan)
- Clean up the tegra cpufreq driver (Sumit Gupta)
- Use of_property_read_reg() to parse "reg" in pmac32 driver (Rob
Herring)
- Add support for TI's am62p5 Soc (Bryan Brattlof)
- Make ARM_BRCMSTB_AVS_CPUFREQ depends on !ARM_SCMI_CPUFREQ (Florian
Fainelli)
- Update Kconfig to mention i.MX7 as well (Alexander Stein)
- Revise global turbo disable check in intel_pstate (Srinivas
Pandruvada)
- Carry out initialization of sg_cpu in the schedutil cpufreq
governor in one loop (Liao Chang)
- Simplify the condition for storing 'down_threshold' in the
conservative cpufreq governor (Liao Chang)
- Use fine-grained mutex in the userspace cpufreq governor (Liao
Chang)
- Move is_managed indicator in the userspace cpufreq governor into a
per-policy structure (Liao Chang)
- Rebuild sched-domains when removing cpufreq driver (Pierre Gondois)
- Fix buffer overflow detection in trans_stats() (Christian Marangi)
- Switch to dev_pm_opp_find_freq_(ceil/floor)_indexed() APIs to
support specific devices like UFS which handle multiple clocks
through OPP (Operating Performance Point) framework (Manivannan
Sadhasivam)
- Add perf support to the Rockchip DFI (DDR Monitor Module) devfreq-
event driver:
* Generalize rockchip-dfi.c to support new RK3568/RK3588 using
different DDR type (Sascha Hauer).
* Convert DT binding document format to yaml (Sascha Hauer).
* Add perf support for DFI (a unit suitable for measuring DDR
utilization) to rockchip-dfi.c to extend DFI usage (Sascha
Hauer)
- Add locking to the OPP handling code in the Mediatek CCI devfreq
driver, because the voltage of shared OPP might be changed by
multiple drivers (Mark Tseng, Dan Carpenter)
- Use device_get_match_data() in the Samsung Exynos PPMU
devfreq-event driver (Rob Herring)
- Extend support for the opp-level beyond required-opps (Ulf Hansson)
- Add dev_pm_opp_find_level_floor() (Krishna chaitanya chundru)
- dt-bindings: Allow opp-peak-kBpsfor kryo CPUs, support Qualcomm
Krait SoCs and document named opp-microvolt property (Bjorn
Andersson, Dmitry Baryshkov and Christian Marangi)
- Fix -Wunsequenced warning _of_add_opp_table_v1() (Nathan
Chancellor)
- General cleanup of OPP code (Viresh Kumar)
- Use __get_safe_page() rather than touching the list in hibernation
snapshot code (Brian Geffon)
- Fix symbol export for _SIMPLE_ variants of _PM_OPS() (Raag Jadav)
- Clean up sync_read handling in snapshot_write_next() (Brian Geffon)
- Fix kerneldoc comments for swsusp_check() and swsusp_close() to
better match code (Christoph Hellwig)
- Downgrade BIOS locked limits pr_warn() in the Intel RAPL power
capping driver to pr_debug() (Ville Syrjälä)
- Change the minimum python version for the intel_pstate_tracer
utility from 2.7 to 3.6 (Doug Smythies)"
* tag 'pm-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (82 commits)
dt-bindings: cpufreq: qcom-hw: document SM8650 CPUFREQ Hardware
cpufreq: arm: Kconfig: Add i.MX7 to supported SoC for ARM_IMX_CPUFREQ_DT
cpufreq: qcom-nvmem: add support for IPQ8064
cpufreq: qcom-nvmem: also accept operating-points-v2-krait-cpu
cpufreq: qcom-nvmem: drop pvs_ver for format a fuses
dt-bindings: cpufreq: qcom-cpufreq-nvmem: Document krait-cpu
cpufreq: qcom-nvmem: add support for IPQ6018
dt-bindings: cpufreq: qcom-cpufreq-nvmem: document IPQ6018
cpufreq: qcom-nvmem: Add MSM8909
cpufreq: qcom-nvmem: Simplify driver data allocation
powercap: intel_rapl: Downgrade BIOS locked limits pr_warn() to pr_debug()
cpufreq: stats: Fix buffer overflow detection in trans_stats()
dt-bindings: devfreq: event: rockchip,dfi: Add rk3588 support
dt-bindings: devfreq: event: rockchip,dfi: Add rk3568 support
dt-bindings: devfreq: event: convert Rockchip DFI binding to yaml
PM / devfreq: rockchip-dfi: add support for RK3588
PM / devfreq: rockchip-dfi: account for multiple DDRMON_CTRL registers
PM / devfreq: rockchip-dfi: make register stride SoC specific
PM / devfreq: rockchip-dfi: Add perf support
PM / devfreq: rockchip-dfi: give variable a better name
...
|
||
|
Linus Torvalds
|
4ac4677fdb |
Thermal control updates for 6.7-rc1
- Untangle the initialization and updates of passive and active trip
points in the ACPI thermal driver (Rafael Wysocki).
- Reduce code duplication related to the initialization and updates
of trip points in the ACPI thermal driver (Rafael Wysocki).
- Use trip pointers for cooling device binding in the ACPI thermal
driver (Rafael Wysocki).
- Simplify critical and hot trips representation in the ACPI thermal
driver (Rafael Wysocki).
- Use trip pointers in thermal governors and in the related part of
the thermal core (Rafael Wysocki).
- Drop the trips_disabled bitmask that has become redundant from the
thermal core (Rafael Wysocki).
- Avoid updating trip points when the thermal zone temperature falls
into a trip point's hysteresis range (ícolas F. R. A. Prado).
- Add power floor notifications support to the int340x thermal control
driver (Srinivas Pandruvada).
- Rework updating trip points in the int340x thermal driver so that it
does not access thermal zone internals directly (Rafael Wysocki).
- Use param_get_byte() instead of param_get_int() as the max_idle module
parameter .get() callback in the Intel powerclamp thermal driver to
avoid possible out-of-bounds access (David Arcari).
- Add workload hints support to the int340x thermal driver (Srinivas
Pandruvada).
- Add support for Mediatek LVTS MT8192 along with suspend/resume
routines (Balsam Chihi).
- Fix probe for THERMAL_V2 in the Mediatek LVTS driver (Markus
Schneider-Pargmann).
- Remove duplicate error message from the max76620 driver when
thermal_of_zone_register() fails (Thierry Reding).
- Add i.MX7D compatible bindings to fix a warning from dtbs_check for
the imx6ul platform (Alexander Stein).
- Add sa8775p compatible to the QCom tsens driver (Priyansh Jain).
- Fix error check in lvts_debugfs_init() to be against PTR_ERR() in the
LVTS Mediatek driver (Minjie Du).
- Remove unused variable in thermal/tools (Kuan-Wei Chiu).
- Document the imx8dl thermal sensor (Fabio Estevam).
- Add variable names in callback prototypes to prevent warning from
checkpatch.pl in the imx8mm driver (Bragatheswaran Manickavel).
- Add missing unevaluatedProperties on child node schemas for tegra124
(Rob Herring)
- Add mt7988 support to the Mediatek LVTS driver (Frank Wunderlich).
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Merge tag 'thermal-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These further rework the ACPI thermal driver, after the changes made
to it in the previous cycle, to make it easier to grasp, get rid of
redundant pieces of internal data structures and eliminate its
reliance on a specific ordering of trip point objects in the thermal
core, make thermal core adjustments needed for the ACPI thermal driver
rework, modify the thermal governor interface so as to use trip
pointers for representing trip points in it, switch over multiple
thermal drivers to using void platform driver remove callbacks, add
support for 2 hardware features to the Intel int340x thermal driver,
add support for new hardware on ARM platforms, update documentation,
fix problems, clean up code and update the MAINTAINERS record for
thermal control.
Specifics:
- Untangle the initialization and updates of passive and active trip
points in the ACPI thermal driver (Rafael Wysocki)
- Reduce code duplication related to the initialization and updates
of trip points in the ACPI thermal driver (Rafael Wysocki)
- Use trip pointers for cooling device binding in the ACPI thermal
driver (Rafael Wysocki)
- Simplify critical and hot trips representation in the ACPI thermal
driver (Rafael Wysocki)
- Use trip pointers in thermal governors and in the related part of
the thermal core (Rafael Wysocki)
- Drop the trips_disabled bitmask that has become redundant from the
thermal core (Rafael Wysocki)
- Avoid updating trip points when the thermal zone temperature falls
into a trip point's hysteresis range (ícolas F. R. A. Prado)
- Add power floor notifications support to the int340x thermal
control driver (Srinivas Pandruvada)
- Rework updating trip points in the int340x thermal driver so that
it does not access thermal zone internals directly (Rafael
Wysocki)
- Use param_get_byte() instead of param_get_int() as the max_idle
module parameter .get() callback in the Intel powerclamp thermal
driver to avoid possible out-of-bounds access (David Arcari)
- Add workload hints support to the int340x thermal driver (Srinivas
Pandruvada)
- Add support for Mediatek LVTS MT8192 along with suspend/resume
routines (Balsam Chihi)
- Fix probe for THERMAL_V2 in the Mediatek LVTS driver (Markus
Schneider-Pargmann)
- Remove duplicate error message from the max76620 driver when
thermal_of_zone_register() fails (Thierry Reding)
- Add i.MX7D compatible bindings to fix a warning from dtbs_check for
the imx6ul platform (Alexander Stein)
- Add sa8775p compatible to the QCom tsens driver (Priyansh Jain)
- Fix error check in lvts_debugfs_init() to be against PTR_ERR() in
the LVTS Mediatek driver (Minjie Du)
- Remove unused variable in thermal/tools (Kuan-Wei Chiu)
- Document the imx8dl thermal sensor (Fabio Estevam)
- Add variable names in callback prototypes to prevent warning from
checkpatch.pl in the imx8mm driver (Bragatheswaran Manickavel)
- Add missing unevaluatedProperties on child node schemas for
tegra124 (Rob Herring)
- Add mt7988 support to the Mediatek LVTS driver (Frank Wunderlich)"
* tag 'thermal-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (111 commits)
thermal: ACPI: Include the right header file
thermal: core: Don't update trip points inside the hysteresis range
thermal: core: Pass trip pointer to governor throttle callback
thermal: gov_step_wise: Fold update_passive_instance() into its caller
thermal: gov_power_allocator: Use trip pointers instead of trip indices
thermal: gov_fair_share: Rearrange get_trip_level()
thermal: trip: Define for_each_trip() macro
thermal: trip: Simplify computing trip indices
thermal/qcom/tsens: Drop ops_v0_1
thermal/drivers/mediatek/lvts_thermal: Update calibration data documentation
thermal/drivers/mediatek/lvts_thermal: Add mt8192 support
thermal/drivers/mediatek/lvts_thermal: Add suspend and resume
dt-bindings: thermal: mediatek: Add LVTS thermal controller definition for mt8192
thermal/drivers/mediatek: Fix probe for THERMAL_V2
thermal/drivers/max77620: Remove duplicate error message
dt-bindings: timer: add imx7d compatible
dt-bindings: net: microchip: Allow nvmem-cell usage
dt-bindings: imx-thermal: Add #thermal-sensor-cells property
dt-bindings: thermal: tsens: Add sa8775p compatible
thermal/drivers/mediatek/lvts_thermal: Fix error check in lvts_debugfs_init()
...
|
||
|
Linus Torvalds
|
89ed67ef12 |
Networking changes for 6.7.
Core & protocols
----------------
- Support usec resolution of TCP timestamps, enabled selectively by
a route attribute.
- Defer regular TCP ACK while processing socket backlog, try to send
a cumulative ACK at the end. Increase single TCP flow performance
on a 200Gbit NIC by 20% (100Gbit -> 120Gbit).
- The Fair Queuing (FQ) packet scheduler:
- add built-in 3 band prio / WRR scheduling
- support bypass if the qdisc is mostly idle (5% speed up for TCP RR)
- improve inactive flow reporting
- optimize the layout of structures for better cache locality
- Support TCP Authentication Option (RFC 5925, TCP-AO), a more modern
replacement for the old MD5 option.
- Add more retransmission timeout (RTO) related statistics to TCP_INFO.
- Support sending fragmented skbs over vsock sockets.
- Make sure we send SIGPIPE for vsock sockets if socket was shutdown().
- Add sysctl for ignoring lower limit on lifetime in Router
Advertisement PIO, based on an in-progress IETF draft.
- Add sysctl to control activation of TCP ping-pong mode.
- Add sysctl to make connection timeout in MPTCP configurable.
- Support rcvlowat and notsent_lowat on MPTCP sockets, to help apps
limit the number of wakeups.
- Support netlink GET for MDB (multicast forwarding), allowing user
space to request a single MDB entry instead of dumping the entire
table.
- Support selective FDB flushing in the VXLAN tunnel driver.
- Allow limiting learned FDB entries in bridges, prevent OOM attacks.
- Allow controlling via configfs netconsole targets which were created
via the kernel cmdline at boot, rather than via configfs at runtime.
- Support multiple PTP timestamp event queue readers with different
filters.
- MCTP over I3C.
BPF
---
- Add new veth-like netdevice where BPF program defines the logic
of the xmit routine. It can operate in L3 and L2 mode.
- Support exceptions - allow asserting conditions which should
never be true but are hard for the verifier to infer.
With some extra flexibility around handling of the exit / failure.
https://lwn.net/Articles/938435/
- Add support for local per-cpu kptr, allow allocating and storing
per-cpu objects in maps. Access to those objects operates on
the value for the current CPU. This allows to deprecate local
one-off implementations of per-CPU storage like
BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE maps.
- Extend cgroup BPF sockaddr hooks for UNIX sockets. The use case is
for systemd to re-implement the LogNamespace feature which allows
running multiple instances of systemd-journald to process the logs
of different services.
- Enable open-coded task_vma iteration, after maple tree conversion
made it hard to directly walk VMAs in tracing programs.
- Add open-coded task, css_task and css iterator support.
One of the use cases is customizable OOM victim selection via BPF.
- Allow source address selection with bpf_*_fib_lookup().
- Add ability to pin BPF timer to the current CPU.
- Prevent creation of infinite loops by combining tail calls and
fentry/fexit programs.
- Add missed stats for kprobes to retrieve the number of missed kprobe
executions and subsequent executions of BPF programs.
- Inherit system settings for CPU security mitigations.
- Add BPF v4 CPU instruction support for arm32 and s390x.
Changes to common code
----------------------
- overflow: add DEFINE_FLEX() for on-stack definition of structs
with flexible array members.
- Process doc update with more guidance for reviewers.
Driver API
----------
- Simplify locking in WiFi (cfg80211 and mac80211 layers), use wiphy
mutex in most places and remove a lot of smaller locks.
- Create a common DPLL configuration API. Allow configuring
and querying state of PLL circuits used for clock syntonization,
in network time distribution.
- Unify fragmented and full page allocation APIs in page pool code.
Let drivers be ignorant of PAGE_SIZE.
- Rework PHY state machine to avoid races with calls to phy_stop().
- Notify DSA drivers of MAC address changes on user ports, improve
correctness of offloads which depend on matching port MAC addresses.
- Allow antenna control on injected WiFi frames.
- Reduce the number of variants of napi_schedule().
- Simplify error handling when composing devlink health messages.
Misc
----
- A lot of KCSAN data race "fixes", from Eric.
- A lot of __counted_by() annotations, from Kees.
- A lot of strncpy -> strscpy and printf format fixes.
- Replace master/slave terminology with conduit/user in DSA drivers.
- Handful of KUnit tests for netdev and WiFi core.
Removed
-------
- AppleTalk COPS.
- AppleTalk ipddp.
- TI AR7 CPMAC Ethernet driver.
Drivers
-------
- Ethernet high-speed NICs:
- Intel (100G, ice, idpf):
- add a driver for the Intel E2000 IPUs
- make CRC/FCS stripping configurable
- cross-timestamping for E823 devices
- basic support for E830 devices
- use aux-bus for managing client drivers
- i40e: report firmware versions via devlink
- nVidia/Mellanox:
- support 4-port NICs
- increase max number of channels to 256
- optimize / parallelize SF creation flow
- Broadcom (bnxt):
- enhance NIC temperature reporting
- support PAM4 speeds and lane configuration
- Marvell OcteonTX2:
- PTP pulse-per-second output support
- enable hardware timestamping for VFs
- Solarflare/AMD:
- conntrack NAT offload and offload for tunnels
- Wangxun (ngbe/txgbe):
- expose HW statistics
- Pensando/AMD:
- support PCI level reset
- narrow down the condition under which skbs are linearized
- Netronome/Corigine (nfp):
- support CHACHA20-POLY1305 crypto in IPsec offload
- Ethernet NICs embedded, slower, virtual:
- Synopsys (stmmac):
- add Loongson-1 SoC support
- enable use of HW queues with no offload capabilities
- enable PPS input support on all 5 channels
- increase TX coalesce timer to 5ms
- RealTek USB (r8152): improve efficiency of Rx by using GRO frags
- xen: support SW packet timestamping
- add drivers for implementations based on TI's PRUSS (AM64x EVM)
- nVidia/Mellanox Ethernet datacenter switches:
- avoid poor HW resource use on Spectrum-4 by better block selection
for IPv6 multicast forwarding and ordering of blocks in ACL region
- Ethernet embedded switches:
- Microchip:
- support configuring the drive strength for EMI compliance
- ksz9477: partial ACL support
- ksz9477: HSR offload
- ksz9477: Wake on LAN
- Realtek:
- rtl8366rb: respect device tree config of the CPU port
- Ethernet PHYs:
- support Broadcom BCM5221 PHYs
- TI dp83867: support hardware LED blinking
- CAN:
- add support for Linux-PHY based CAN transceivers
- at91_can: clean up and use rx-offload helpers
- WiFi:
- MediaTek (mt76):
- new sub-driver for mt7925 USB/PCIe devices
- HW wireless <> Ethernet bridging in MT7988 chips
- mt7603/mt7628 stability improvements
- Qualcomm (ath12k):
- WCN7850:
- enable 320 MHz channels in 6 GHz band
- hardware rfkill support
- enable IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS
to make scan faster
- read board data variant name from SMBIOS
- QCN9274: mesh support
- RealTek (rtw89):
- TDMA-based multi-channel concurrency (MCC)
- Silicon Labs (wfx):
- Remain-On-Channel (ROC) support
- Bluetooth:
- ISO: many improvements for broadcast support
- mark BCM4378/BCM4387 as BROKEN_LE_CODED
- add support for QCA2066
- btmtksdio: enable Bluetooth wakeup from suspend
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Support usec resolution of TCP timestamps, enabled selectively by a
route attribute.
- Defer regular TCP ACK while processing socket backlog, try to send
a cumulative ACK at the end. Increase single TCP flow performance
on a 200Gbit NIC by 20% (100Gbit -> 120Gbit).
- The Fair Queuing (FQ) packet scheduler:
- add built-in 3 band prio / WRR scheduling
- support bypass if the qdisc is mostly idle (5% speed up for TCP RR)
- improve inactive flow reporting
- optimize the layout of structures for better cache locality
- Support TCP Authentication Option (RFC 5925, TCP-AO), a more modern
replacement for the old MD5 option.
- Add more retransmission timeout (RTO) related statistics to
TCP_INFO.
- Support sending fragmented skbs over vsock sockets.
- Make sure we send SIGPIPE for vsock sockets if socket was
shutdown().
- Add sysctl for ignoring lower limit on lifetime in Router
Advertisement PIO, based on an in-progress IETF draft.
- Add sysctl to control activation of TCP ping-pong mode.
- Add sysctl to make connection timeout in MPTCP configurable.
- Support rcvlowat and notsent_lowat on MPTCP sockets, to help apps
limit the number of wakeups.
- Support netlink GET for MDB (multicast forwarding), allowing user
space to request a single MDB entry instead of dumping the entire
table.
- Support selective FDB flushing in the VXLAN tunnel driver.
- Allow limiting learned FDB entries in bridges, prevent OOM attacks.
- Allow controlling via configfs netconsole targets which were
created via the kernel cmdline at boot, rather than via configfs at
runtime.
- Support multiple PTP timestamp event queue readers with different
filters.
- MCTP over I3C.
BPF:
- Add new veth-like netdevice where BPF program defines the logic of
the xmit routine. It can operate in L3 and L2 mode.
- Support exceptions - allow asserting conditions which should never
be true but are hard for the verifier to infer. With some extra
flexibility around handling of the exit / failure:
https://lwn.net/Articles/938435/
- Add support for local per-cpu kptr, allow allocating and storing
per-cpu objects in maps. Access to those objects operates on the
value for the current CPU.
This allows to deprecate local one-off implementations of per-CPU
storage like BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE maps.
- Extend cgroup BPF sockaddr hooks for UNIX sockets. The use case is
for systemd to re-implement the LogNamespace feature which allows
running multiple instances of systemd-journald to process the logs
of different services.
- Enable open-coded task_vma iteration, after maple tree conversion
made it hard to directly walk VMAs in tracing programs.
- Add open-coded task, css_task and css iterator support. One of the
use cases is customizable OOM victim selection via BPF.
- Allow source address selection with bpf_*_fib_lookup().
- Add ability to pin BPF timer to the current CPU.
- Prevent creation of infinite loops by combining tail calls and
fentry/fexit programs.
- Add missed stats for kprobes to retrieve the number of missed
kprobe executions and subsequent executions of BPF programs.
- Inherit system settings for CPU security mitigations.
- Add BPF v4 CPU instruction support for arm32 and s390x.
Changes to common code:
- overflow: add DEFINE_FLEX() for on-stack definition of structs with
flexible array members.
- Process doc update with more guidance for reviewers.
Driver API:
- Simplify locking in WiFi (cfg80211 and mac80211 layers), use wiphy
mutex in most places and remove a lot of smaller locks.
- Create a common DPLL configuration API. Allow configuring and
querying state of PLL circuits used for clock syntonization, in
network time distribution.
- Unify fragmented and full page allocation APIs in page pool code.
Let drivers be ignorant of PAGE_SIZE.
- Rework PHY state machine to avoid races with calls to phy_stop().
- Notify DSA drivers of MAC address changes on user ports, improve
correctness of offloads which depend on matching port MAC
addresses.
- Allow antenna control on injected WiFi frames.
- Reduce the number of variants of napi_schedule().
- Simplify error handling when composing devlink health messages.
Misc:
- A lot of KCSAN data race "fixes", from Eric.
- A lot of __counted_by() annotations, from Kees.
- A lot of strncpy -> strscpy and printf format fixes.
- Replace master/slave terminology with conduit/user in DSA drivers.
- Handful of KUnit tests for netdev and WiFi core.
Removed:
- AppleTalk COPS.
- AppleTalk ipddp.
- TI AR7 CPMAC Ethernet driver.
Drivers:
- Ethernet high-speed NICs:
- Intel (100G, ice, idpf):
- add a driver for the Intel E2000 IPUs
- make CRC/FCS stripping configurable
- cross-timestamping for E823 devices
- basic support for E830 devices
- use aux-bus for managing client drivers
- i40e: report firmware versions via devlink
- nVidia/Mellanox:
- support 4-port NICs
- increase max number of channels to 256
- optimize / parallelize SF creation flow
- Broadcom (bnxt):
- enhance NIC temperature reporting
- support PAM4 speeds and lane configuration
- Marvell OcteonTX2:
- PTP pulse-per-second output support
- enable hardware timestamping for VFs
- Solarflare/AMD:
- conntrack NAT offload and offload for tunnels
- Wangxun (ngbe/txgbe):
- expose HW statistics
- Pensando/AMD:
- support PCI level reset
- narrow down the condition under which skbs are linearized
- Netronome/Corigine (nfp):
- support CHACHA20-POLY1305 crypto in IPsec offload
- Ethernet NICs embedded, slower, virtual:
- Synopsys (stmmac):
- add Loongson-1 SoC support
- enable use of HW queues with no offload capabilities
- enable PPS input support on all 5 channels
- increase TX coalesce timer to 5ms
- RealTek USB (r8152): improve efficiency of Rx by using GRO frags
- xen: support SW packet timestamping
- add drivers for implementations based on TI's PRUSS (AM64x EVM)
- nVidia/Mellanox Ethernet datacenter switches:
- avoid poor HW resource use on Spectrum-4 by better block
selection for IPv6 multicast forwarding and ordering of blocks
in ACL region
- Ethernet embedded switches:
- Microchip:
- support configuring the drive strength for EMI compliance
- ksz9477: partial ACL support
- ksz9477: HSR offload
- ksz9477: Wake on LAN
- Realtek:
- rtl8366rb: respect device tree config of the CPU port
- Ethernet PHYs:
- support Broadcom BCM5221 PHYs
- TI dp83867: support hardware LED blinking
- CAN:
- add support for Linux-PHY based CAN transceivers
- at91_can: clean up and use rx-offload helpers
- WiFi:
- MediaTek (mt76):
- new sub-driver for mt7925 USB/PCIe devices
- HW wireless <> Ethernet bridging in MT7988 chips
- mt7603/mt7628 stability improvements
- Qualcomm (ath12k):
- WCN7850:
- enable 320 MHz channels in 6 GHz band
- hardware rfkill support
- enable IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS to
make scan faster
- read board data variant name from SMBIOS
- QCN9274: mesh support
- RealTek (rtw89):
- TDMA-based multi-channel concurrency (MCC)
- Silicon Labs (wfx):
- Remain-On-Channel (ROC) support
- Bluetooth:
- ISO: many improvements for broadcast support
- mark BCM4378/BCM4387 as BROKEN_LE_CODED
- add support for QCA2066
- btmtksdio: enable Bluetooth wakeup from suspend"
* tag 'net-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1816 commits)
net: pcs: xpcs: Add 2500BASE-X case in get state for XPCS drivers
net: bpf: Use sockopt_lock_sock() in ip_sock_set_tos()
net: mana: Use xdp_set_features_flag instead of direct assignment
vxlan: Cleanup IFLA_VXLAN_PORT_RANGE entry in vxlan_get_size()
iavf: delete the iavf client interface
iavf: add a common function for undoing the interrupt scheme
iavf: use unregister_netdev
iavf: rely on netdev's own registered state
iavf: fix the waiting time for initial reset
iavf: in iavf_down, don't queue watchdog_task if comms failed
iavf: simplify mutex_trylock+sleep loops
iavf: fix comments about old bit locks
doc/netlink: Update schema to support cmd-cnt-name and cmd-max-name
tools: ynl: introduce option to process unknown attributes or types
ipvlan: properly track tx_errors
netdevsim: Block until all devices are released
nfp: using napi_build_skb() to replace build_skb()
net: dsa: microchip: ksz9477: Fix spelling mistake "Enery" -> "Energy"
net: dsa: microchip: Ensure Stable PME Pin State for Wake-on-LAN
net: dsa: microchip: Refactor switch shutdown routine for WoL preparation
...
|
||
|
Linus Torvalds
|
5a6a09e971 |
cgroup: Changes for v6.7
* cpuset now supports remote partitions where CPUs can be reserved for exclusive use down the tree without requiring all the intermediate nodes to be partitions. This makes it easier to use partitions without modifying existing cgroup hierarchy. * cpuset partition configuration behavior improvement. * cgroup_favordynmods= boot param added to allow setting the flag on boot on cgroup1. * Misc code and doc updates. -----BEGIN PGP SIGNATURE----- iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZUBUKA4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGWfMAP9WP+Z21qzzL2bY5I5kOxu+rD2fF9ORk7azILrI c3gXSQD/bdxNWcdtrCQMvs+ToNEJvqDFxrmgG5uRUF8Ea+FCtQ8= =gZj2 -----END PGP SIGNATURE----- Merge tag 'cgroup-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup updates from Tejun Heo: - cpuset now supports remote partitions where CPUs can be reserved for exclusive use down the tree without requiring all the intermediate nodes to be partitions. This makes it easier to use partitions without modifying existing cgroup hierarchy. - cpuset partition configuration behavior improvement - cgroup_favordynmods= boot param added to allow setting the flag on boot on cgroup1 - Misc code and doc updates * tag 'cgroup-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: docs/cgroup: Add the list of threaded controllers to cgroup-v2.rst cgroup: use legacy_name for cgroup v1 disable info cgroup/cpuset: Cleanup signedness issue in cpu_exclusive_check() cgroup/cpuset: Enable invalid to valid local partition transition cgroup: add cgroup_favordynmods= command-line option cgroup/cpuset: Extend test_cpuset_prs.sh to test remote partition cgroup/cpuset: Documentation update for partition cgroup/cpuset: Check partition conflict with housekeeping setup cgroup/cpuset: Introduce remote partition cgroup/cpuset: Add cpuset.cpus.exclusive for v2 cgroup/cpuset: Add cpuset.cpus.exclusive.effective for v2 cgroup/cpuset: Fix load balance state in update_partition_sd_lb() cgroup: Avoid extra dereference in css_populate_dir() cgroup: Check for ret during cgroup1_base_files cft addition |
||
|
Linus Torvalds
|
befaa609f4 |
hardening updates for v6.7-rc1
- Add LKDTM test for stuck CPUs (Mark Rutland)
- Improve LKDTM selftest behavior under UBSan (Ricardo Cañuelo)
- Refactor more 1-element arrays into flexible arrays (Gustavo A. R. Silva)
- Analyze and replace strlcpy and strncpy uses (Justin Stitt, Azeem Shaikh)
- Convert group_info.usage to refcount_t (Elena Reshetova)
- Add __counted_by annotations (Kees Cook, Gustavo A. R. Silva)
- Add Kconfig fragment for basic hardening options (Kees Cook, Lukas Bulwahn)
- Fix randstruct GCC plugin performance mode to stay in groups (Kees Cook)
- Fix strtomem() compile-time check for small sources (Kees Cook)
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Merge tag 'hardening-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
"One of the more voluminous set of changes is for adding the new
__counted_by annotation[1] to gain run-time bounds checking of
dynamically sized arrays with UBSan.
- Add LKDTM test for stuck CPUs (Mark Rutland)
- Improve LKDTM selftest behavior under UBSan (Ricardo Cañuelo)
- Refactor more 1-element arrays into flexible arrays (Gustavo A. R.
Silva)
- Analyze and replace strlcpy and strncpy uses (Justin Stitt, Azeem
Shaikh)
- Convert group_info.usage to refcount_t (Elena Reshetova)
- Add __counted_by annotations (Kees Cook, Gustavo A. R. Silva)
- Add Kconfig fragment for basic hardening options (Kees Cook, Lukas
Bulwahn)
- Fix randstruct GCC plugin performance mode to stay in groups (Kees
Cook)
- Fix strtomem() compile-time check for small sources (Kees Cook)"
* tag 'hardening-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (56 commits)
hwmon: (acpi_power_meter) replace open-coded kmemdup_nul
reset: Annotate struct reset_control_array with __counted_by
kexec: Annotate struct crash_mem with __counted_by
virtio_console: Annotate struct port_buffer with __counted_by
ima: Add __counted_by for struct modsig and use struct_size()
MAINTAINERS: Include stackleak paths in hardening entry
string: Adjust strtomem() logic to allow for smaller sources
hardening: x86: drop reference to removed config AMD_IOMMU_V2
randstruct: Fix gcc-plugin performance mode to stay in group
mailbox: zynqmp: Annotate struct zynqmp_ipi_pdata with __counted_by
drivers: thermal: tsens: Annotate struct tsens_priv with __counted_by
irqchip/imx-intmux: Annotate struct intmux_data with __counted_by
KVM: Annotate struct kvm_irq_routing_table with __counted_by
virt: acrn: Annotate struct vm_memory_region_batch with __counted_by
hwmon: Annotate struct gsc_hwmon_platform_data with __counted_by
sparc: Annotate struct cpuinfo_tree with __counted_by
isdn: kcapi: replace deprecated strncpy with strscpy_pad
isdn: replace deprecated strncpy with strscpy
NFS/flexfiles: Annotate struct nfs4_ff_layout_segment with __counted_by
nfs41: Annotate struct nfs4_file_layout_dsaddr with __counted_by
...
|
||
|
Linus Torvalds
|
2656821f1f |
RCU pull request for v6.7
This pull request contains the following branches:
rcu/torture: RCU torture, locktorture and generic torture infrastructure
updates that include various fixes, cleanups and consolidations.
Among the user visible things, ftrace dumps can now be found into
their own file, and module parameters get better documented and
reported on dumps.
rcu/fixes: Generic and misc fixes all over the place. Some highlights:
* Hotplug handling has seen some light cleanups and comments.
* An RCU barrier can now be triggered through sysfs to serialize
memory stress testing and avoid OOM.
* Object information is now dumped in case of invalid callback
invocation.
* Also various SRCU issues, too hard to trigger to deserve urgent
pull requests, have been fixed.
rcu/docs: RCU documentation updates
rcu/refscale: RCU reference scalability test minor fixes and doc
improvements.
rcu/tasks: RCU tasks minor fixes
rcu/stall: Stall detection updates. Introduce RCU CPU Stall notifiers
that allows a subsystem to provide informations to help debugging.
Also cure some false positive stalls.
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Merge tag 'rcu-next-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks
Pull RCU updates from Frederic Weisbecker:
- RCU torture, locktorture and generic torture infrastructure updates
that include various fixes, cleanups and consolidations.
Among the user visible things, ftrace dumps can now be found into
their own file, and module parameters get better documented and
reported on dumps.
- Generic and misc fixes all over the place. Some highlights:
* Hotplug handling has seen some light cleanups and comments
* An RCU barrier can now be triggered through sysfs to serialize
memory stress testing and avoid OOM
* Object information is now dumped in case of invalid callback
invocation
* Also various SRCU issues, too hard to trigger to deserve urgent
pull requests, have been fixed
- RCU documentation updates
- RCU reference scalability test minor fixes and doc improvements.
- RCU tasks minor fixes
- Stall detection updates. Introduce RCU CPU Stall notifiers that
allows a subsystem to provide informations to help debugging. Also
cure some false positive stalls.
* tag 'rcu-next-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks: (56 commits)
srcu: Only accelerate on enqueue time
locktorture: Check the correct variable for allocation failure
srcu: Fix callbacks acceleration mishandling
rcu: Comment why callbacks migration can't wait for CPUHP_RCUTREE_PREP
rcu: Standardize explicit CPU-hotplug calls
rcu: Conditionally build CPU-hotplug teardown callbacks
rcu: Remove references to rcu_migrate_callbacks() from diagrams
rcu: Assume rcu_report_dead() is always called locally
rcu: Assume IRQS disabled from rcu_report_dead()
rcu: Use rcu_segcblist_segempty() instead of open coding it
rcu: kmemleak: Ignore kmemleak false positives when RCU-freeing objects
srcu: Fix srcu_struct node grpmask overflow on 64-bit systems
torture: Convert parse-console.sh to mktemp
rcutorture: Traverse possible cpu to set maxcpu in rcu_nocb_toggle()
rcutorture: Replace schedule_timeout*() 1-jiffy waits with HZ/20
torture: Add kvm.sh --debug-info argument
locktorture: Rename readers_bind/writers_bind to bind_readers/bind_writers
doc: Catch-up update for locktorture module parameters
locktorture: Add call_rcu_chains module parameter
locktorture: Add new module parameters to lock_torture_print_module_parms()
...
|
||
|
Linus Torvalds
|
c9049984f0 |
nolibc updates for v6.7
o Add stdarg.h header and a few additional system-call upgrades. o Add support for constructors and destructors. o Add tests to verify the ability to link multiple .o files against nolibc. o Numerous string-function optimizations and improvements. o Prevent redundant kernel relinks by avoiding embedding of initramfs into the kernel image. o Allow building i386 with multiarch compiler and make ppc64le use qemu-system-ppc64. o Miscellaneous fixups, including addition of -nostdinc for nolibc-test, avoiding -Wstringop-overflow warnings, and avoiding unused parameter warnings for ENOSYS fallbacks. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmU3A1ETHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jGyAEACRJX0s3JBvxRz5zKOA+l41sAN3DZ9z ygKIghnlNeDXQEFSqkZXb9Pa8BUPaVnFet3X5gUy8/0jcbXPPjIHU68U6EGQWk3f y5uTaxhTQkC+5gLyRhvq7FtjWxwYlg24D2e6ctrEw4pCt18PfkEhxof5PBhg/71K UVrZ55cRvXG7CTLSm5p1+jNkAOJuNfV+zD32QuV9V+7CwNLU088TZS9jGALFjKC0 UyE8E5uvmTQ6QQOl64Z6GNhpQual/2BslIGDVtb/+/Ii5Ch2nA8gV2YiC8cVPzpz r8yxqSEwfmiTNDPFH6PRIAx/optfgV/uScyyCNEiLwh/gFcag04BjC9GpWy5jKzA akchr0n+7yfJTpzzNmM38OAoaqMgzcPedxW2RDP5Eeb4cw0AKoy7bD3WeBRfmpgl tAgd8Gl7vpvSjecQSZfCY1hJ4F/qS2CfnObL4/EbHxIOfyLo0A6eEKLIf9PP02bT w2YJkZVSprKi8CXvIaV5KAhxXUGp07FJ5PHYLFFjinez/e6ksb7AH/ltrnAULMoV Ig3aQCYJ4oOFFVjH+h9+fFrqbI87Xo13UfO6PtkJU3gV749prqRIAg6FCTU0HkIz TSvy/PEFAxaXvNSGsSXikxQxvx3Fph9laoxQ1dSgEZSXKY43v1sfnXp1h5vGDdKH GPWaEtEBfNVUdg== =UKBQ -----END PGP SIGNATURE----- Merge tag 'nolibc.2023.10.23a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull nolibc updates from Paul McKenney: - Add stdarg.h header and a few additional system-call upgrades - Add support for constructors and destructors - Add tests to verify the ability to link multiple .o files against nolibc - Numerous string-function optimizations and improvements - Prevent redundant kernel relinks by avoiding embedding of initramfs into the kernel image - Allow building i386 with multiarch compiler and make ppc64le use qemu-system-ppc64 - Miscellaneous fixups, including addition of -nostdinc for nolibc-test, avoiding -Wstringop-overflow warnings, and avoiding unused parameter warnings for ENOSYS fallbacks * tag 'nolibc.2023.10.23a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: selftests/nolibc: add tests for multi-object linkage selftests/nolibc: use qemu-system-ppc64 for ppc64le tools/nolibc: add support for constructors and destructors tools/nolibc: drop test for getauxval(AT_PAGESZ) tools/nolibc: automatically detect necessity to use pselect6 tools/nolibc: don't define new syscall number tools/nolibc: avoid unused parameter warnings for ENOSYS fallbacks selftests/nolibc: allow building i386 with multiarch compiler selftests/nolibc: don't embed initramfs into kernel image selftests/nolibc: libc-test: avoid -Wstringop-overflow warnings tools/nolibc: string: Remove the `_nolibc_memcpy_up()` function tools/nolibc: string: Remove the `_nolibc_memcpy_down()` function tools/nolibc: x86-64: Use `rep stosb` for `memset()` tools/nolibc: x86-64: Use `rep movsb` for `memcpy()` and `memmove()` selftests/nolibc: use -nostdinc for nolibc-test tools/nolibc: add stdarg.h header |
||
|
Linus Torvalds
|
f0d25b5d0f |
x86 MM handling code changes for v6.7:
- Add new NX-stack self-test - Improve NUMA partial-CFMWS handling - Fix #VC handler bugs resulting in SEV-SNP boot failures - Drop the 4MB memory size restriction on minimal NUMA nodes - Reorganize headers a bit, in preparation to header dependency reduction efforts - Misc cleanups & fixes Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmU9Ek4RHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gIJQ/+Mg6mzMaThyNXqhJszeZJBmDaBv2sqjAB 5tcferg1nJBdNBzX8bJ95UFt9fIqeYAcgH00qlQCYSmyzbC1TQTk9U2Pre1zbOw4 042ONK8sygKSje1zdYleHoBeqwnxD2VNM0NwBElhGjumwHRng/tbLiI9wx6qiz+C VsFXavkBszHGA1pjy9wZLGixYIH5jCygMpH134Wp+CIhpS+C4nftcGdIL1D5Oil1 6Tm2XeI6uyfiQhm9IOwDjfoYeC7gUjx1rp8rHseGUMJxyO/BX9q5j1ixbsVriqfW 97ucYuRL9mza7ic516C9v7OlAA3AGH2xWV+SYOGK88i9Co4kYzP4WnamxXqOsD8+ popxG55oa6QelhaouTBZvgERpZ4fWupSDs/UccsDaE9leMCerNEbGHEzt/Mm/2sw xopjMQ0y5Kn6/fS0dLv8U+XHu4ANkvXJkFd6Ny0h/WfgGefuQOOTG9ruYgfeqqB8 dViQ4R7CO8ySjD45KawAZl/EqL86x1M/CI1nlt0YY4vNwUuOJbebL7Jn8w3Fjxm5 FVfUlDmcPdhZfL9Vnrsi6MIou1cU1yJPw4D6sXJ4sg4s7A4ebBcRRrjayVQ4msjv Q7cvBOMnWEHhOV11pvP50FmQuj74XW3bUqiuWrnK1SypvnhHavF6kc1XYpBLs1xZ y8nueJW2qPw= =tT5F -----END PGP SIGNATURE----- Merge tag 'x86-mm-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 mm handling updates from Ingo Molnar: - Add new NX-stack self-test - Improve NUMA partial-CFMWS handling - Fix #VC handler bugs resulting in SEV-SNP boot failures - Drop the 4MB memory size restriction on minimal NUMA nodes - Reorganize headers a bit, in preparation to header dependency reduction efforts - Misc cleanups & fixes * tag 'x86-mm-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Drop the 4 MB restriction on minimal NUMA node memory size selftests/x86/lam: Zero out buffer for readlink() x86/sev: Drop unneeded #include x86/sev: Move sev_setup_arch() to mem_encrypt.c x86/tdx: Replace deprecated strncpy() with strtomem_pad() selftests/x86/mm: Add new test that userspace stack is in fact NX x86/sev: Make boot_ghcb_page[] static x86/boot: Move x86_cache_alignment initialization to correct spot x86/sev-es: Set x86_virt_bits to the correct value straight away, instead of a two-phase approach x86/sev-es: Allow copy_from_kernel_nofault() in earlier boot x86_64: Show CR4.PSE on auxiliaries like on BSP x86/iommu/docs: Update AMD IOMMU specification document URL x86/sev/docs: Update document URL in amd-memory-encryption.rst x86/mm: Move arch_memory_failure() and arch_is_platform_page() definitions from <asm/processor.h> to <asm/pgtable.h> ACPI/NUMA: Apply SRAT proximity domain to entire CFMWS window x86/numa: Introduce numa_fill_memblks() |
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|
Linus Torvalds
|
cd063c8b9e |
Misc fixes and cleanups:
- Fix potential MAX_NAME_LEN limit related build failures
- Fix scripts/faddr2line symbol filtering bug
- Fix scripts/faddr2line on LLVM=1
- Fix scripts/faddr2line to accept readelf output with mapping symbols
- Minor cleanups
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
"Misc fixes and cleanups:
- Fix potential MAX_NAME_LEN limit related build failures
- Fix scripts/faddr2line symbol filtering bug
- Fix scripts/faddr2line on LLVM=1
- Fix scripts/faddr2line to accept readelf output with mapping
symbols
- Minor cleanups"
* tag 'objtool-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
scripts/faddr2line: Skip over mapping symbols in output from readelf
scripts/faddr2line: Use LLVM addr2line and readelf if LLVM=1
scripts/faddr2line: Don't filter out non-function symbols from readelf
objtool: Remove max symbol name length limitation
objtool: Propagate early errors
objtool: Use 'the fallthrough' pseudo-keyword
x86/speculation, objtool: Use absolute relocations for annotations
x86/unwind/orc: Remove redundant initialization of 'mid' pointer in __orc_find()
|
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|
Linus Torvalds
|
f84a52eef5 |
- A bunch of improvements, cleanups and fixlets to the SRSO mitigation
machinery and other, general cleanups to the hw mitigations code, by Josh Poimboeuf - Improve the return thunk detection by objtool as it is absolutely important that the default return thunk is not used after returns have been patched. Future work to detect and report this better is pending - Other misc cleanups and fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmU7mFEACgkQEsHwGGHe VUpbBxAAtS4X5LCntPWUsDEBU80SBYAunEp0Wd0ttYEj+UrEk4tvnWVGFiIEr47A PrRKK9JCJtC6ko0+dwPtMi66L/T7mCpoNPI1kzfRG1IHJBfvCTGJhzZsesogvkA2 1X9Je+RCVW4xVybIryxhjMGdB6jUoGEU1a4DmQXq481qiLB3ilvA1bIAaNo9BBYP rxKPrPcdOxn2NjxuOWg+FXjSc8LuAVSu3HqsgCW2AHJ6XIKEYWEq9FkXhwj9OJOr ax1F4qD1IY++jYZO9DJiltjeJyj0wC+yp8kDDURoLbcTk85WHlpD5vK0g64mELOA y0375thHep+vsrtQ/qZAmi/eVTaTekgbi7McahjoZebK7FbKOYRk6GZ+5+m29AVr DfQSJ7xQQqbCbpimeFmZ+gQf7mFexyDWvjUPyBl+OelOY1umdPM9IZVTnqib5LPr D2M+uqWfJhSwACi2o05LRv0gyhkAz0bGHrwZPmCVuxE5kBbhOpj4aT87fetUp/MW 8lEFa3PHx/gkh2VOJ7ZgKzpeD75Vjo8TRAXOe4O2jn/L54gNEJ+1mukvrjW3+lp1 ShmcZokl3ldPq6F5ioE+u45hVAfHkaruWM+5Rj3hsA/fdFN3isTVLhIRIsypPTKc p1ITT8Yhek8vkm9PcRBE5xWRmEZ2XE5ooDld930nJxra8QNVVQw= =E7c4 -----END PGP SIGNATURE----- Merge tag 'x86_bugs_for_6.7_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 hw mitigation updates from Borislav Petkov: - A bunch of improvements, cleanups and fixlets to the SRSO mitigation machinery and other, general cleanups to the hw mitigations code, by Josh Poimboeuf - Improve the return thunk detection by objtool as it is absolutely important that the default return thunk is not used after returns have been patched. Future work to detect and report this better is pending - Other misc cleanups and fixes * tag 'x86_bugs_for_6.7_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits) x86/retpoline: Document some thunk handling aspects x86/retpoline: Make sure there are no unconverted return thunks due to KCSAN x86/callthunks: Delete unused "struct thunk_desc" x86/vdso: Run objtool on vdso32-setup.o objtool: Fix return thunk patching in retpolines x86/srso: Remove unnecessary semicolon x86/pti: Fix kernel warnings for pti= and nopti cmdline options x86/calldepth: Rename __x86_return_skl() to call_depth_return_thunk() x86/nospec: Refactor UNTRAIN_RET[_*] x86/rethunk: Use SYM_CODE_START[_LOCAL]_NOALIGN macros x86/srso: Disentangle rethunk-dependent options x86/srso: Move retbleed IBPB check into existing 'has_microcode' code block x86/bugs: Remove default case for fully switched enums x86/srso: Remove 'pred_cmd' label x86/srso: Unexport untraining functions x86/srso: Improve i-cache locality for alias mitigation x86/srso: Fix unret validation dependencies x86/srso: Fix vulnerability reporting for missing microcode x86/srso: Print mitigation for retbleed IBPB case x86/srso: Print actual mitigation if requested mitigation isn't possible ... |
||
|
Linus Torvalds
|
9e87705289 |
Initial bcachefs pull request for 6.7-rc1
Here's the bcachefs filesystem pull request. One new patch since last week: the exportfs constants ended up conflicting with other filesystems that are also getting added to the global enum, so switched to new constants picked by Amir. I'll also be sending another pull request later on in the cycle bringing things up to date my master branch that people are currently running; that will be restricted to fs/bcachefs/, naturally. Testing - fstests as well as the bcachefs specific tests in ktest: https://evilpiepirate.org/~testdashboard/ci?branch=bcachefs-for-upstream It's also been soaking in linux-next, which resulted in a whole bunch of smatch complaints and fixes and a patch or two from Kees. The only new non fs/bcachefs/ patch is the objtool patch that adds bcachefs functions to the list of noreturns. The patch that exports osq_lock() has been dropped for now, per Ingo. Prereq patch list: |
||
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Linus Torvalds
|
8b16da681e |
NFSD 6.7 Release Notes
This release completes the SunRPC thread scheduler work that was begun in v6.6. The scheduler can now find an svc thread to wake in constant time and without a list walk. Thanks again to Neil Brown for this overhaul. Lorenzo Bianconi contributed infrastructure for a netlink-based NFSD control plane. The long-term plan is to provide the same functionality as found in /proc/fs/nfsd, plus some interesting additions, and then migrate the NFSD user space utilities to netlink. A long series to overhaul NFSD's NFSv4 operation encoding was applied in this release. The goals are to bring this family of encoding functions in line with the matching NFSv4 decoding functions and with the NFSv2 and NFSv3 XDR functions, preparing the way for better memory safety and maintainability. A further improvement to NFSD's write delegation support was contributed by Dai Ngo. This adds a CB_GETATTR callback, enabling the server to retrieve cached size and mtime data from clients holding write delegations. If the server can retrieve this information, it does not have to recall the delegation in some cases. The usual panoply of bug fixes and minor improvements round out this release. As always I am grateful to all contributors, reviewers, and testers. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmU5IuoACgkQM2qzM29m f5eVsg//bVp8S93ci/oDlKfzOwH2fO5e5rna91wrDpJxkd51h6KTx55dSRG5sjAZ EywIVOann6xCtsixAPyff5Cweg2dWvzQRsy1ZnvWQ1qZBzD5KAJY5LPkeSFUCKBo Zani/qTOYbxzgFMjZx+yDSXDPKG68WYZBQK59SI7mURu4SYdk8aRyNY8mjHfr0Vh Aqrcny4oVtXV4sL5P5G/2FUW7WKT3olA3jSYlRRNMhbs2qpEemRCCrspOEMMad+b t1+ZCg+U27PMranvOJnof4RU7peZbaxDWA0gyiUbivVXVtZn9uOs0ffhktkvechL ePc33dqdp2ITdKIPA6JlaRv5WflKXQw0YYM9Kv5mcR4A2el7owL4f/pMlPhtbYwJ IOJv15KdKVN979G2e6WMYiKK+iHfaUUguhMEXnfnGoAajHOZNQiUEo3iFQAD7LDc DvMF8d9QqYmB9IW8FOYaRRfZGJOQHf3TL79Nd08z/bn5swvlvfj77leux9Sb+0/m Luk2Xvz2AJVSXE31wzabaGHkizN+BtH+e4MMbXUHBPW5jE9v7XOnEUFr4UdZyr9P Gl87A7NcrzNjJWT5TrnzM4sOslNsx46Aeg+VuNt2fSRn2dm6iBu2B8s0N4imx6dV PX1y9VSLq5WRhjrFZ1qeiZdsuTaQtrEiNDoRIQR6nCJPAV80iFk= =B4wJ -----END PGP SIGNATURE----- Merge tag 'nfsd-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: "This release completes the SunRPC thread scheduler work that was begun in v6.6. The scheduler can now find an svc thread to wake in constant time and without a list walk. Thanks again to Neil Brown for this overhaul. Lorenzo Bianconi contributed infrastructure for a netlink-based NFSD control plane. The long-term plan is to provide the same functionality as found in /proc/fs/nfsd, plus some interesting additions, and then migrate the NFSD user space utilities to netlink. A long series to overhaul NFSD's NFSv4 operation encoding was applied in this release. The goals are to bring this family of encoding functions in line with the matching NFSv4 decoding functions and with the NFSv2 and NFSv3 XDR functions, preparing the way for better memory safety and maintainability. A further improvement to NFSD's write delegation support was contributed by Dai Ngo. This adds a CB_GETATTR callback, enabling the server to retrieve cached size and mtime data from clients holding write delegations. If the server can retrieve this information, it does not have to recall the delegation in some cases. The usual panoply of bug fixes and minor improvements round out this release. As always I am grateful to all contributors, reviewers, and testers" * tag 'nfsd-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (127 commits) svcrdma: Fix tracepoint printk format svcrdma: Drop connection after an RDMA Read error NFSD: clean up alloc_init_deleg() NFSD: Fix frame size warning in svc_export_parse() NFSD: Rewrite synopsis of nfsd_percpu_counters_init() nfsd: Clean up errors in nfs3proc.c nfsd: Clean up errors in nfs4state.c NFSD: Clean up errors in stats.c NFSD: simplify error paths in nfsd_svc() NFSD: Clean up nfsd4_encode_seek() NFSD: Clean up nfsd4_encode_offset_status() NFSD: Clean up nfsd4_encode_copy_notify() NFSD: Clean up nfsd4_encode_copy() NFSD: Clean up nfsd4_encode_test_stateid() NFSD: Clean up nfsd4_encode_exchange_id() NFSD: Clean up nfsd4_do_encode_secinfo() NFSD: Clean up nfsd4_encode_access() NFSD: Clean up nfsd4_encode_readdir() NFSD: Clean up nfsd4_encode_entry4() NFSD: Add an nfsd4_encode_nfs_cookie4() helper ... |
||
|
Jiri Pirko
|
d96e48a3d5 |
tools: ynl: introduce option to process unknown attributes or types
In case the kernel sends message back containing attribute not defined
in family spec, following exception is raised to the user:
$ sudo ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/devlink.yaml --do trap-get --json '{"bus-name": "netdevsim", "dev-name": "netdevsim1", "trap-name": "source_mac_is_multicast"}'
Traceback (most recent call last):
File "/home/jiri/work/linux/tools/net/ynl/lib/ynl.py", line 521, in _decode
attr_spec = attr_space.attrs_by_val[attr.type]
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
KeyError: 132
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/jiri/work/linux/./tools/net/ynl/cli.py", line 61, in <module>
main()
File "/home/jiri/work/linux/./tools/net/ynl/cli.py", line 49, in main
reply = ynl.do(args.do, attrs, args.flags)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jiri/work/linux/tools/net/ynl/lib/ynl.py", line 731, in do
return self._op(method, vals, flags)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jiri/work/linux/tools/net/ynl/lib/ynl.py", line 719, in _op
rsp_msg = self._decode(decoded.raw_attrs, op.attr_set.name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jiri/work/linux/tools/net/ynl/lib/ynl.py", line 525, in _decode
raise Exception(f"Space '{space}' has no attribute with value '{attr.type}'")
Exception: Space 'devlink' has no attribute with value '132'
Introduce a command line option "process-unknown" and pass it down to
YnlFamily class constructor to allow user to process unknown
attributes and types and print them as binaries.
$ sudo ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/devlink.yaml --do trap-get --json '{"bus-name": "netdevsim", "dev-name": "netdevsim1", "trap-name": "source_mac_is_multicast"}' --process-unknown
{'UnknownAttr(129)': {'UnknownAttr(0)': b'\x00\x00\x00\x00\x00\x00\x00\x00',
'UnknownAttr(1)': b'\x00\x00\x00\x00\x00\x00\x00\x00',
'UnknownAttr(2)': b'\x0e\x00\x00\x00\x00\x00\x00\x00'},
'UnknownAttr(132)': b'\x00',
'UnknownAttr(133)': b'',
'UnknownAttr(134)': {'UnknownAttr(0)': b''},
'bus-name': 'netdevsim',
'dev-name': 'netdevsim1',
'trap-action': 'drop',
'trap-group-name': 'l2_drops',
'trap-name': 'source_mac_is_multicast'}
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20231027092525.956172-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Geliang Tang
|
629b35a225 |
selftests: mptcp: display simult in extra_msg
Just like displaying "invert" after "Info: ", "simult" should be
displayed too when rm_subflow_nr doesn't match the expect value in
chk_rm_nr():
syn [ ok ]
synack [ ok ]
ack [ ok ]
add [ ok ]
echo [ ok ]
rm [ ok ]
rmsf [ ok ] 3 in [2:4]
Info: invert simult
syn [ ok ]
synack [ ok ]
ack [ ok ]
add [ ok ]
echo [ ok ]
rm [ ok ]
rmsf [ ok ]
Info: invert
Reviewed-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231025-send-net-next-20231025-v1-10-db8f25f798eb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Geliang Tang
|
e71aab6777 |
selftests: mptcp: sockopt: drop mptcp_connect var
Global var mptcp_connect defined at the front of mptcp_sockopt.sh is duplicate with local var mptcp_connect defined in do_transfer(), drop this useless global one. Reviewed-by: Matthieu Baerts <matttbe@kernel.org> Signed-off-by: Geliang Tang <geliang.tang@suse.com> Signed-off-by: Mat Martineau <martineau@kernel.org> Link: https://lore.kernel.org/r/20231025-send-net-next-20231025-v1-9-db8f25f798eb@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Geliang Tang
|
9168ea02b8 |
selftests: mptcp: fix wait_rm_addr/sf parameters
The second input parameter of 'wait_rm_addr/sf $1 1' is misused. If it's
1, wait_rm_addr/sf will never break, and will loop ten times, then
'wait_rm_addr/sf' equals to 'sleep 1'. This delay time is too long,
which can sometimes make the tests fail.
A better way to use wait_rm_addr/sf is to use rm_addr/sf_count to obtain
the current value, and then pass into wait_rm_addr/sf.
Fixes:
|
||
|
Geliang Tang
|
f4a75e9d11 |
selftests: mptcp: run userspace pm tests slower
Some userspace pm tests failed are reported by CI:
112 userspace pm add & remove address
syn [ ok ]
synack [ ok ]
ack [ ok ]
add [ ok ]
echo [ ok ]
mptcp_info subflows=1:1 [ ok ]
subflows_total 2:2 [ ok ]
mptcp_info add_addr_signal=1:1 [ ok ]
rm [ ok ]
rmsf [ ok ]
Info: invert
mptcp_info subflows=0:0 [ ok ]
subflows_total 1:1 [fail]
got subflows 0:0 expected 1:1
Server ns stats
TcpPassiveOpens 2 0.0
TcpInSegs 118 0.0
This patch fixes them by changing 'speed' to 5 to run the tests much more
slowly.
Fixes:
|
||
|
Ido Schimmel
|
0514dd0593 |
selftests: vxlan_mdb: Use MDB get instead of dump
Test the new MDB get functionality by converting dump and grep to MDB get. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Ido Schimmel
|
e8bba9e83c |
selftests: bridge_mdb: Use MDB get instead of dump
Test the new MDB get functionality by converting dump and grep to MDB get. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Jakub Kicinski
|
c6f9b7138b |
bpf-next-for-netdev
-----BEGIN PGP SIGNATURE-----
iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZTp12QAKCRDbK58LschI
g8BrAQDifqp5liEEdXV8jdReBwJtqInjrL5tzy5LcyHUMQbTaAEA6Ph3Ct3B+3oA
mFnIW/y6UJiJrby0Xz4+vV5BXI/5WQg=
=pLCV
-----END PGP SIGNATURE-----
Merge tag 'for-netdev' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2023-10-26
We've added 51 non-merge commits during the last 10 day(s) which contain
a total of 75 files changed, 5037 insertions(+), 200 deletions(-).
The main changes are:
1) Add open-coded task, css_task and css iterator support.
One of the use cases is customizable OOM victim selection via BPF,
from Chuyi Zhou.
2) Fix BPF verifier's iterator convergence logic to use exact states
comparison for convergence checks, from Eduard Zingerman,
Andrii Nakryiko and Alexei Starovoitov.
3) Add BPF programmable net device where bpf_mprog defines the logic
of its xmit routine. It can operate in L3 and L2 mode,
from Daniel Borkmann and Nikolay Aleksandrov.
4) Batch of fixes for BPF per-CPU kptr and re-enable unit_size checking
for global per-CPU allocator, from Hou Tao.
5) Fix libbpf which eagerly assumed that SHT_GNU_verdef ELF section
was going to be present whenever a binary has SHT_GNU_versym section,
from Andrii Nakryiko.
6) Fix BPF ringbuf correctness to fold smp_mb__before_atomic() into
atomic_set_release(), from Paul E. McKenney.
7) Add a warning if NAPI callback missed xdp_do_flush() under
CONFIG_DEBUG_NET which helps checking if drivers were missing
the former, from Sebastian Andrzej Siewior.
8) Fix missed RCU read-lock in bpf_task_under_cgroup() which was throwing
a warning under sleepable programs, from Yafang Shao.
9) Avoid unnecessary -EBUSY from htab_lock_bucket by disabling IRQ before
checking map_locked, from Song Liu.
10) Make BPF CI linked_list failure test more robust,
from Kumar Kartikeya Dwivedi.
11) Enable samples/bpf to be built as PIE in Fedora, from Viktor Malik.
12) Fix xsk starving when multiple xsk sockets were associated with
a single xsk_buff_pool, from Albert Huang.
13) Clarify the signed modulo implementation for the BPF ISA standardization
document that it uses truncated division, from Dave Thaler.
14) Improve BPF verifier's JEQ/JNE branch taken logic to also consider
signed bounds knowledge, from Andrii Nakryiko.
15) Add an option to XDP selftests to use multi-buffer AF_XDP
xdp_hw_metadata and mark used XDP programs as capable to use frags,
from Larysa Zaremba.
16) Fix bpftool's BTF dumper wrt printing a pointer value and another
one to fix struct_ops dump in an array, from Manu Bretelle.
* tag 'for-netdev' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (51 commits)
netkit: Remove explicit active/peer ptr initialization
selftests/bpf: Fix selftests broken by mitigations=off
samples/bpf: Allow building with custom bpftool
samples/bpf: Fix passing LDFLAGS to libbpf
samples/bpf: Allow building with custom CFLAGS/LDFLAGS
bpf: Add more WARN_ON_ONCE checks for mismatched alloc and free
selftests/bpf: Add selftests for netkit
selftests/bpf: Add netlink helper library
bpftool: Extend net dump with netkit progs
bpftool: Implement link show support for netkit
libbpf: Add link-based API for netkit
tools: Sync if_link uapi header
netkit, bpf: Add bpf programmable net device
bpf: Improve JEQ/JNE branch taken logic
bpf: Fold smp_mb__before_atomic() into atomic_set_release()
bpf: Fix unnecessary -EBUSY from htab_lock_bucket
xsk: Avoid starving the xsk further down the list
bpf: print full verifier states on infinite loop detection
selftests/bpf: test if state loops are detected in a tricky case
bpf: correct loop detection for iterators convergence
...
====================
Link: https://lore.kernel.org/r/20231026150509.2824-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Jakub Kicinski
|
eb9df66838 |
tools: ynl-gen: respect attr-cnt-name at the attr set level
Davide reports that we look for the attr-cnt-name in the wrong object. We try to read it from the family, but the schema only allows for it to exist at attr-set level. Reported-by: Davide Caratti <dcaratti@redhat.com> Link: https://lore.kernel.org/all/CAKa-r6vCj+gPEUKpv7AsXqM77N6pB0evuh7myHq=585RA3oD5g@mail.gmail.com/ Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20231025182739.184706-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
bc30bb88ff |
netlink: specs: support conditional operations
Page pool code is compiled conditionally, but the operations are part of the shared netlink family. We can handle this by reporting empty list of pools or -EOPNOTSUPP / -ENOSYS but the cleanest way seems to be removing the ops completely at compilation time. That way user can see that the page pool ops are not present using genetlink introspection. Same way they'd check if the kernel is "new enough" to support the ops. Extend the specs with the ability to specify the config condition under which op (and its policies, etc.) should be hidden. Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20231025162253.133159-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
ea23fbd2a8 |
netlink: make range pointers in policies const
struct nla_policy is usually constant itself, but unless we make the ranges inside constant we won't be able to make range structs const. The ranges are not modified by the core. Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: David Ahern <dsahern@kernel.org> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20231025162204.132528-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
ec4c20ca09 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: net/mac80211/rx.c |
||
|
Catalin Marinas
|
2baca17e6a |
Merge branch 'for-next/feat_lse128' into for-next/core
* for-next/feat_lse128: : HWCAP for FEAT_LSE128 kselftest/arm64: add FEAT_LSE128 to hwcap test arm64: add FEAT_LSE128 HWCAP |
||
|
Catalin Marinas
|
023113fe66 |
Merge branch 'for-next/feat_lrcpc3' into for-next/core
* for-next/feat_lrcpc3: : HWCAP for FEAT_LRCPC3 selftests/arm64: add HWCAP2_LRCPC3 test arm64: add FEAT_LRCPC3 HWCAP |
||
|
Catalin Marinas
|
2a3f8ce3bb |
Merge branch 'for-next/feat_sve_b16b16' into for-next/core
* for-next/feat_sve_b16b16: : Add support for FEAT_SVE_B16B16 (BFloat16) kselftest/arm64: Verify HWCAP2_SVE_B16B16 arm64/sve: Report FEAT_SVE_B16B16 to userspace |
||
|
Yafang Shao
|
399f6185a1 |
selftests/bpf: Fix selftests broken by mitigations=off
When we configure the kernel command line with 'mitigations=off' and set the sysctl knob 'kernel.unprivileged_bpf_disabled' to 0, the commit |
||
|
Rafael J. Wysocki
|
bf224871c2 |
Merge branches 'pm-sleep', 'powercap' and 'pm-tools'
Merge updates related to system sleep handling, one power capping update and one PM utility update for 6.7-rc1: - Use __get_safe_page() rather than touching the list in hibernation snapshot code (Brian Geffon). - Fix symbol export for _SIMPLE_ variants of _PM_OPS() (Raag Jadav). - Clean up sync_read handling in snapshot_write_next() (Brian Geffon). - Fix kerneldoc comments for swsusp_check() and swsusp_close() to better match code (Christoph Hellwig). - Downgrade BIOS locked limits pr_warn() in the Intel RAPL power capping driver to pr_debug() (Ville Syrjälä). - Change the minimum python version for the intel_pstate_tracer utility from 2.7 to 3.6 (Doug Smythies). * pm-sleep: PM: hibernate: fix the kerneldoc comment for swsusp_check() and swsusp_close() PM: hibernate: Clean up sync_read handling in snapshot_write_next() PM: sleep: Fix symbol export for _SIMPLE_ variants of _PM_OPS() PM: hibernate: Use __get_safe_page() rather than touching the list * powercap: powercap: intel_rapl: Downgrade BIOS locked limits pr_warn() to pr_debug() * pm-tools: tools/power/x86/intel_pstate_tracer: python minimum version |
||
|
Rafael J. Wysocki
|
607218deac |
- Add support for Mediatek LVTS MT8192 driver along with the
suspend/resume routines (Balsam Chihi) - Fix probe for THERMAL_V2 for the Mediatek LVTS driver (Markus Schneider-Pargmann) - Remove duplicate error message in the max76620 driver when thermal_of_zone_register() fails as the sub routine already show one (Thierry Reding) - Add i.MX7D compatible bindings to fix a warning from dtbs_check for the imx6ul platform (Alexander Stein) - Add sa8775p compatible for the QCom tsens driver (Priyansh Jain) - Fix error check in lvts_debugfs_init() which is checking against NULL instead of PTR_ERR() on the LVTS Mediatek driver (Minjie Du) - Remove unused variable in the thermal/tools (Kuan-Wei Chiu) - Document the imx8dl thermal sensor (Fabio Estevam) - Add variable names in callback prototypes to prevent warning from checkpatch.pl for the imx8mm driver (Bragatheswaran Manickavel) - Add missing unevaluatedProperties on child node schemas for tegra124 (Rob Herring) - Add mt7988 support for the Mediatek LVTS driver (Frank Wunderlich) -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEGn3N4YVz0WNVyHskqDIjiipP6E8FAmU35s8ACgkQqDIjiipP 6E8nggf/VQei7x/fRTFRYJVyP6SdwzpZPcyMYEcwL50wpp/d/R5xapFzM7nofV6n SYFXkpuejGH5d5JbJjpkv1S56Q/Bf6yy7cGciKiBmxaU2cWY636KmhlUPe2kfmX5 ipiNi/ZU0zAjZM7FRpBVPgp0HTvnGehDzIaSi6Y/vKVAw5TPTzjLz8oNoeHGP4/6 xNRgJuTwAvqL1lqZoo9YV7tVdkcuQamf3dkDkHqvSSL9UilHZEqrtLyh1Iz12+py LESjlePz1jzK169oG5QiA4thIMV7CPTwkrkAJXwT2H2zWccg7JzZ7K1S3aJq2vHL 5UMcsUE2wCczfdnlhxD6wkJ3CDyirA== =i0K9 -----END PGP SIGNATURE----- Merge tag 'thermal-v6.7-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux Merge thermal control (ARM drivers mostly) updates for 6.7-rc1 from Daniel Lezcano: "- Add support for Mediatek LVTS MT8192 driver along with the suspend/resume routines (Balsam Chihi) - Fix probe for THERMAL_V2 for the Mediatek LVTS driver (Markus Schneider-Pargmann) - Remove duplicate error message in the max76620 driver when thermal_of_zone_register() fails as the sub routine already show one (Thierry Reding) - Add i.MX7D compatible bindings to fix a warning from dtbs_check for the imx6ul platform (Alexander Stein) - Add sa8775p compatible for the QCom tsens driver (Priyansh Jain) - Fix error check in lvts_debugfs_init() which is checking against NULL instead of PTR_ERR() on the LVTS Mediatek driver (Minjie Du) - Remove unused variable in the thermal/tools (Kuan-Wei Chiu) - Document the imx8dl thermal sensor (Fabio Estevam) - Add variable names in callback prototypes to prevent warning from checkpatch.pl for the imx8mm driver (Bragatheswaran Manickavel) - Add missing unevaluatedProperties on child node schemas for tegra124 (Rob Herring) - Add mt7988 support for the Mediatek LVTS driver (Frank Wunderlich)" * tag 'thermal-v6.7-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux: thermal/qcom/tsens: Drop ops_v0_1 thermal/drivers/mediatek/lvts_thermal: Update calibration data documentation thermal/drivers/mediatek/lvts_thermal: Add mt8192 support thermal/drivers/mediatek/lvts_thermal: Add suspend and resume dt-bindings: thermal: mediatek: Add LVTS thermal controller definition for mt8192 thermal/drivers/mediatek: Fix probe for THERMAL_V2 thermal/drivers/max77620: Remove duplicate error message dt-bindings: timer: add imx7d compatible dt-bindings: net: microchip: Allow nvmem-cell usage dt-bindings: imx-thermal: Add #thermal-sensor-cells property dt-bindings: thermal: tsens: Add sa8775p compatible thermal/drivers/mediatek/lvts_thermal: Fix error check in lvts_debugfs_init() tools/thermal: Remove unused 'mds' and 'nrhandler' variables dt-bindings: thermal: fsl,scu-thermal: Document imx8dl thermal/drivers/imx8mm_thermal: Fix function pointer declaration by adding identifier name dt-bindings: thermal: nvidia,tegra124-soctherm: Add missing unevaluatedProperties on child node schemas thermal/drivers/mediatek/lvts_thermal: Add mt7988 support thermal/drivers/mediatek/lvts_thermal: Make coeff configurable dt-bindings: thermal: mediatek: Add LVTS thermal sensors for mt7988 dt-bindings: thermal: mediatek: Add mt7988 lvts compatible |
||
|
Daniel Borkmann
|
ace15f91e5 |
selftests/bpf: Add selftests for netkit
Add a bigger batch of test coverage to assert correct operation of netkit devices and their BPF program management: # ./test_progs -t tc_netkit [...] [ 1.166267] bpf_testmod: loading out-of-tree module taints kernel. [ 1.166831] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel [ 1.270957] tsc: Refined TSC clocksource calibration: 3407.988 MHz [ 1.272579] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fc932722, max_idle_ns: 440795381586 ns [ 1.275336] clocksource: Switched to clocksource tsc #257 tc_netkit_basic:OK #258 tc_netkit_device:OK #259 tc_netkit_multi_links:OK #260 tc_netkit_multi_opts:OK #261 tc_netkit_neigh_links:OK Summary: 5/0 PASSED, 0 SKIPPED, 0 FAILED [...] Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://lore.kernel.org/r/20231024214904.29825-8-daniel@iogearbox.net Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> |
||
|
Daniel Borkmann
|
51f1892b52 |
selftests/bpf: Add netlink helper library
Add a minimal netlink helper library for the BPF selftests. This has been taken and cut down and cleaned up from iproute2. This covers basics such as netdevice creation which we need for BPF selftests / BPF CI given iproute2 package cannot cover it yet. Stanislav Fomichev suggested that this could be replaced in future by ynl tool generated C code once it has RTNL support to create devices. Once we get to this point the BPF CI would also need to add libmnl. If no further extensions are needed, a second option could be that we remove this code again once iproute2 package has support. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://lore.kernel.org/r/20231024214904.29825-7-daniel@iogearbox.net Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> |
||
|
Daniel Borkmann
|
bec981a4ad |
bpftool: Extend net dump with netkit progs
Add support to dump BPF programs on netkit via bpftool. This includes both
the BPF link and attach ops programs. Dumped information contain the attach
location, function entry name, program ID and link ID when applicable.
Example with tc BPF link:
# ./bpftool net
xdp:
tc:
nk1(22) netkit/peer tc1 prog_id 43 link_id 12
[...]
Example with json dump:
# ./bpftool net --json | jq
[
{
"xdp": [],
"tc": [
{
"devname": "nk1",
"ifindex": 18,
"kind": "netkit/primary",
"name": "tc1",
"prog_id": 29,
"prog_flags": [],
"link_id": 8,
"link_flags": []
}
],
"flow_dissector": [],
"netfilter": []
}
]
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20231024214904.29825-6-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
|
||
|
Daniel Borkmann
|
92a85e18ad |
bpftool: Implement link show support for netkit
Add support to dump netkit link information to bpftool in similar way as
we have for XDP. The netkit link info only exposes the ifindex and the
attach_type.
Below shows an example link dump output, and a cgroup link is included for
comparison, too:
# bpftool link
[...]
10: cgroup prog 2466
cgroup_id 1 attach_type cgroup_inet6_post_bind
[...]
8: netkit prog 35
ifindex nk1(18) attach_type netkit_primary
[...]
Equivalent json output:
# bpftool link --json
[...]
{
"id": 10,
"type": "cgroup",
"prog_id": 2466,
"cgroup_id": 1,
"attach_type": "cgroup_inet6_post_bind"
},
[...]
{
"id": 12,
"type": "netkit",
"prog_id": 61,
"devname": "nk1",
"ifindex": 21,
"attach_type": "netkit_primary"
}
[...]
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20231024214904.29825-5-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
|
||
|
Daniel Borkmann
|
05c31b4ab2 |
libbpf: Add link-based API for netkit
This adds bpf_program__attach_netkit() API to libbpf. Overall it is very
similar to tcx. The API looks as following:
LIBBPF_API struct bpf_link *
bpf_program__attach_netkit(const struct bpf_program *prog, int ifindex,
const struct bpf_netkit_opts *opts);
The struct bpf_netkit_opts is done in similar way as struct bpf_tcx_opts
for supporting bpf_mprog control parameters. The attach location for the
primary and peer device is derived from the program section "netkit/primary"
and "netkit/peer", respectively.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20231024214904.29825-4-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
|
||
|
Daniel Borkmann
|
5c1b994de4 |
tools: Sync if_link uapi header
Sync if_link uapi header to the latest version as we need the refresher in tooling for netkit device. Given it's been a while since the last sync and the diff is fairly big, it has been done as its own commit. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://lore.kernel.org/r/20231024214904.29825-3-daniel@iogearbox.net Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> |
||
|
Daniel Borkmann
|
35dfaad718 |
netkit, bpf: Add bpf programmable net device
This work adds a new, minimal BPF-programmable device called "netkit"
(former PoC code-name "meta") we recently presented at LSF/MM/BPF. The
core idea is that BPF programs are executed within the drivers xmit routine
and therefore e.g. in case of containers/Pods moving BPF processing closer
to the source.
One of the goals was that in case of Pod egress traffic, this allows to
move BPF programs from hostns tcx ingress into the device itself, providing
earlier drop or forward mechanisms, for example, if the BPF program
determines that the skb must be sent out of the node, then a redirect to
the physical device can take place directly without going through per-CPU
backlog queue. This helps to shift processing for such traffic from softirq
to process context, leading to better scheduling decisions/performance (see
measurements in the slides).
In this initial version, the netkit device ships as a pair, but we plan to
extend this further so it can also operate in single device mode. The pair
comes with a primary and a peer device. Only the primary device, typically
residing in hostns, can manage BPF programs for itself and its peer. The
peer device is designated for containers/Pods and cannot attach/detach
BPF programs. Upon the device creation, the user can set the default policy
to 'pass' or 'drop' for the case when no BPF program is attached.
Additionally, the device can be operated in L3 (default) or L2 mode. The
management of BPF programs is done via bpf_mprog, so that multi-attach is
supported right from the beginning with similar API and dependency controls
as tcx. For details on the latter see commit
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Swarup Laxman Kotiaklapudi
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37a38e439d |
selftests: net: change ifconfig with ip command
Change ifconfig with ip command, on a system where ifconfig is not used this script will not work correcly. Test result with this patchset: sudo make TARGETS="net" kselftest .... TAP version 13 1..1 timeout set to 1500 selftests: net: route_localnet.sh run arp_announce test net.ipv4.conf.veth0.route_localnet = 1 net.ipv4.conf.veth1.route_localnet = 1 net.ipv4.conf.veth0.arp_announce = 2 net.ipv4.conf.veth1.arp_announce = 2 PING 127.25.3.14 (127.25.3.14) from 127.25.3.4 veth0: 56(84) bytes of data. 64 bytes from 127.25.3.14: icmp_seq=1 ttl=64 time=0.038 ms 64 bytes from 127.25.3.14: icmp_seq=2 ttl=64 time=0.068 ms 64 bytes from 127.25.3.14: icmp_seq=3 ttl=64 time=0.068 ms 64 bytes from 127.25.3.14: icmp_seq=4 ttl=64 time=0.068 ms 64 bytes from 127.25.3.14: icmp_seq=5 ttl=64 time=0.068 ms --- 127.25.3.14 ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4073ms rtt min/avg/max/mdev = 0.038/0.062/0.068/0.012 ms ok run arp_ignore test net.ipv4.conf.veth0.route_localnet = 1 net.ipv4.conf.veth1.route_localnet = 1 net.ipv4.conf.veth0.arp_ignore = 3 net.ipv4.conf.veth1.arp_ignore = 3 PING 127.25.3.14 (127.25.3.14) from 127.25.3.4 veth0: 56(84) bytes of data. 64 bytes from 127.25.3.14: icmp_seq=1 ttl=64 time=0.032 ms 64 bytes from 127.25.3.14: icmp_seq=2 ttl=64 time=0.065 ms 64 bytes from 127.25.3.14: icmp_seq=3 ttl=64 time=0.066 ms 64 bytes from 127.25.3.14: icmp_seq=4 ttl=64 time=0.065 ms 64 bytes from 127.25.3.14: icmp_seq=5 ttl=64 time=0.065 ms --- 127.25.3.14 ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4092ms rtt min/avg/max/mdev = 0.032/0.058/0.066/0.013 ms ok ok 1 selftests: net: route_localnet.sh ... Signed-off-by: Swarup Laxman Kotiaklapudi <swarupkotikalapudi@gmail.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20231023123422.2895-1-swarupkotikalapudi@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Davide Caratti
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0c63ad3795 |
tools: ynl-gen: add support for exact-len validation
add support for 'exact-len' validation on netlink attributes. Link: https://github.com/multipath-tcp/mptcp_net-next/issues/340 Acked-by: Matthieu Baerts <matttbe@kernel.org> Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: Mat Martineau <martineau@kernel.org> Link: https://lore.kernel.org/r/20231023-send-net-next-20231023-1-v2-2-16b1f701f900@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Linus Torvalds
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4f82870119 |
20 hotfixes. 12 are cc:stable and the remainder address post-6.5 issues
or aren't considered necessary for earlier kernel versions. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZTfz/QAKCRDdBJ7gKXxA joMyAP99hLaLYeJbjlf+4tLJzhlpbVoFra1ieun2D+ZgFE78xQD/T4T3PYrZhYqD WdrxGT9fiKOykXM5pmQRH9Zr4EvJBA0= =Obbk -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2023-10-24-09-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "20 hotfixes. 12 are cc:stable and the remainder address post-6.5 issues or aren't considered necessary for earlier kernel versions" * tag 'mm-hotfixes-stable-2023-10-24-09-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: maple_tree: add GFP_KERNEL to allocations in mas_expected_entries() selftests/mm: include mman header to access MREMAP_DONTUNMAP identifier mailmap: correct email aliasing for Oleksij Rempel mailmap: map Bartosz's old address to the current one mm/damon/sysfs: check DAMOS regions update progress from before_terminate() MAINTAINERS: Ondrej has moved kasan: disable kasan_non_canonical_hook() for HW tags kasan: print the original fault addr when access invalid shadow hugetlbfs: close race between MADV_DONTNEED and page fault hugetlbfs: extend hugetlb_vma_lock to private VMAs hugetlbfs: clear resv_map pointer if mmap fails mm: zswap: fix pool refcount bug around shrink_worker() mm/migrate: fix do_pages_move for compat pointers riscv: fix set_huge_pte_at() for NAPOT mappings when a swap entry is set riscv: handle VM_FAULT_[HWPOISON|HWPOISON_LARGE] faults instead of panicking mmap: fix error paths with dup_anon_vma() mmap: fix vma_iterator in error path of vma_merge() mm: fix vm_brk_flags() to not bail out while holding lock mm/mempolicy: fix set_mempolicy_home_node() previous VMA pointer mm/page_alloc: correct start page when guard page debug is enabled |
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Eduard Zingerman
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64870feebe |
selftests/bpf: test if state loops are detected in a tricky case
A convoluted test case for iterators convergence logic that
demonstrates that states with branch count equal to 0 might still be
a part of not completely explored loop.
E.g. consider the following state diagram:
initial Here state 'succ' was processed first,
| it was eventually tracked to produce a
V state identical to 'hdr'.
.---------> hdr All branches from 'succ' had been explored
| | and thus 'succ' has its .branches == 0.
| V
| .------... Suppose states 'cur' and 'succ' correspond
| | | to the same instruction + callsites.
| V V In such case it is necessary to check
| ... ... whether 'succ' and 'cur' are identical.
| | | If 'succ' and 'cur' are a part of the same loop
| V V they have to be compared exactly.
| succ <- cur
| |
| V
| ...
| |
'----'
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20231024000917.12153-7-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
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Eduard Zingerman
|
389ede06c2 |
selftests/bpf: tests with delayed read/precision makrs in loop body
These test cases try to hide read and precision marks from loop convergence logic: marks would only be assigned on subsequent loop iterations or after exploring states pushed to env->head stack first. Without verifier fix to use exact states comparison logic for iterators convergence these tests (except 'triple_continue') would be errorneously marked as safe. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20231024000917.12153-5-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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|
Eduard Zingerman
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2793a8b015 |
bpf: exact states comparison for iterator convergence checks
Convergence for open coded iterators is computed in is_state_visited()
by examining states with branches count > 1 and using states_equal().
states_equal() computes sub-state relation using read and precision marks.
Read and precision marks are propagated from children states,
thus are not guaranteed to be complete inside a loop when branches
count > 1. This could be demonstrated using the following unsafe program:
1. r7 = -16
2. r6 = bpf_get_prandom_u32()
3. while (bpf_iter_num_next(&fp[-8])) {
4. if (r6 != 42) {
5. r7 = -32
6. r6 = bpf_get_prandom_u32()
7. continue
8. }
9. r0 = r10
10. r0 += r7
11. r8 = *(u64 *)(r0 + 0)
12. r6 = bpf_get_prandom_u32()
13. }
Here verifier would first visit path 1-3, create a checkpoint at 3
with r7=-16, continue to 4-7,3 with r7=-32.
Because instructions at 9-12 had not been visitied yet existing
checkpoint at 3 does not have read or precision mark for r7.
Thus states_equal() would return true and verifier would discard
current state, thus unsafe memory access at 11 would not be caught.
This commit fixes this loophole by introducing exact state comparisons
for iterator convergence logic:
- registers are compared using regs_exact() regardless of read or
precision marks;
- stack slots have to have identical type.
Unfortunately, this is too strict even for simple programs like below:
i = 0;
while(iter_next(&it))
i++;
At each iteration step i++ would produce a new distinct state and
eventually instruction processing limit would be reached.
To avoid such behavior speculatively forget (widen) range for
imprecise scalar registers, if those registers were not precise at the
end of the previous iteration and do not match exactly.
This a conservative heuristic that allows to verify wide range of
programs, however it precludes verification of programs that conjure
an imprecise value on the first loop iteration and use it as precise
on the second.
Test case iter_task_vma_for_each() presents one of such cases:
unsigned int seen = 0;
...
bpf_for_each(task_vma, vma, task, 0) {
if (seen >= 1000)
break;
...
seen++;
}
Here clang generates the following code:
<LBB0_4>:
24: r8 = r6 ; stash current value of
... body ... 'seen'
29: r1 = r10
30: r1 += -0x8
31: call bpf_iter_task_vma_next
32: r6 += 0x1 ; seen++;
33: if r0 == 0x0 goto +0x2 <LBB0_6> ; exit on next() == NULL
34: r7 += 0x10
35: if r8 < 0x3e7 goto -0xc <LBB0_4> ; loop on seen < 1000
<LBB0_6>:
... exit ...
Note that counter in r6 is copied to r8 and then incremented,
conditional jump is done using r8. Because of this precision mark for
r6 lags one state behind of precision mark on r8 and widening logic
kicks in.
Adding barrier_var(seen) after conditional is sufficient to force
clang use the same register for both counting and conditional jump.
This issue was discussed in the thread [1] which was started by
Andrew Werner <awerner32@gmail.com> demonstrating a similar bug
in callback functions handling. The callbacks would be addressed
in a followup patch.
[1] https://lore.kernel.org/bpf/97a90da09404c65c8e810cf83c94ac703705dc0e.camel@gmail.com/
Co-developed-by: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Co-developed-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20231024000917.12153-4-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|