summaryrefslogtreecommitdiff
path: root/Documentation
AgeCommit message (Collapse)Author
2025-07-25dt-bindings: display: mediatek,dp: Allow DisplayPort AUX busAngeloGioacchino Del Regno
Like others, the MediaTek DisplayPort controller provides an auxiliary bus: import the common dp-aux-bus.yaml in this binding to allow specifying an aux-bus subnode. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Link: https://lore.kernel.org/r/20250724083914.61351-3-angelogioacchino.delregno@collabora.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-07-25ipv6: add `force_forwarding` sysctl to enable per-interface forwardingGabriel Goller
It is currently impossible to enable ipv6 forwarding on a per-interface basis like in ipv4. To enable forwarding on an ipv6 interface we need to enable it on all interfaces and disable it on the other interfaces using a netfilter rule. This is especially cumbersome if you have lots of interfaces and only want to enable forwarding on a few. According to the sysctl docs [0] the `net.ipv6.conf.all.forwarding` enables forwarding for all interfaces, while the interface-specific `net.ipv6.conf.<interface>.forwarding` configures the interface Host/Router configuration. Introduce a new sysctl flag `force_forwarding`, which can be set on every interface. The ip6_forwarding function will then check if the global forwarding flag OR the force_forwarding flag is active and forward the packet. To preserve backwards-compatibility reset the flag (on all interfaces) to 0 if the net.ipv6.conf.all.forwarding flag is set to 0. Add a short selftest that checks if a packet gets forwarded with and without `force_forwarding`. [0]: https://www.kernel.org/doc/Documentation/networking/ip-sysctl.txt Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Gabriel Goller <g.goller@proxmox.com> Link: https://patch.msgid.link/20250722081847.132632-1-g.goller@proxmox.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-07-25dt-bindings: fsl: convert fsl,vf610-mscm-ir.txt to yaml formatFrank Li
Convert fsl,vf610-mscm-ir.txt to yaml format. Additional changes: - remove label at example dts. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Frank Li <Frank.Li@nxp.com> Link: https://lore.kernel.org/r/20250724190342.1321632-1-Frank.Li@nxp.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-07-25dt-bindings: interrupt-controller: Add fsl,icoll.yamlFrank Li
Add fsl,icoll.yaml for i.MX23 and i.MX28. Also add a generic fallback compatible string "fsl,icoll" for legacy devices, which have existed for over 15 years. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Frank Li <Frank.Li@nxp.com> Link: https://lore.kernel.org/r/20250724164624.1271661-1-Frank.Li@nxp.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-07-25dt-bindings: interrupt-controller: Add missing Xilinx INTC bindingMichal Simek
Add missing description for AMD/Xilinx interrupt controller. The binding is used by Microblaze before dt-binding even existed but never been documented properly. IP acts as primary interrupt controller on Microblaze systems or can be used as secondary interrupt controller on ARM based systems like Zynq, ZynqMP, Versal or Versal Gen 2. Also as secondary interrupt controller on Microblaze-V (Risc-V) systems. Over the years IP exists in multiple variants based on attached bus as OPB, PLB or AXI that's why generic filename is used. Property xlnx,kind-of-intr is in hex because every bit position corresponds to interrupt line. Controller support mixing edge or level interrupts together and this is the property which distinguish them. Signed-off-by: Michal Simek <michal.simek@amd.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/2b9d4a3a693f501d420da88b8418732ba9def877.1753354675.git.michal.simek@amd.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-07-25Documentation/ABI/testing/debugfs-cxl: Add 'cxl' to clear_poison pathAlison Schofield
'cxl' is missing from the path to the clear_poison attribute. Add it. Signed-off-by: Alison Schofield <alison.schofield@intel.com> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Link: https://patch.msgid.link/20250724224308.2101255-1-alison.schofield@intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com>
2025-07-25Documentation: devlink: add devlink documentation for the kvaser_usb driverJimmy Assarsson
List the version information reported by the kvaser_usb driver through devlink. Suggested-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Signed-off-by: Jimmy Assarsson <extja@kvaser.com> Link: https://patch.msgid.link/20250725123452.41-12-extja@kvaser.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2025-07-25Documentation: devlink: add devlink documentation for the kvaser_pciefd driverJimmy Assarsson
List the version information reported by the kvaser_pciefd driver through devlink. Suggested-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Signed-off-by: Jimmy Assarsson <extja@kvaser.com> Link: https://patch.msgid.link/20250725123230.8-11-extja@kvaser.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2025-07-24docs: update THP documentation to clarify sysfs "never" settingLorenzo Stoakes
Rather confusingly, setting all Transparent Huge Page sysfs settings to "never" does not in fact result in THP being globally disabled. Rather, it results in khugepaged being disabled, but one can still obtain THP pages using madvise(..., MADV_COLLAPSE). This is something that has remained poorly documented for some time, and it is likely the received wisdom of most users of THP that never does, in fact, mean never. It is therefore important to highlight, very clearly, that this is not the case. [lorenzo.stoakes@oracle.com: update transhuge page to mention MADV_COLLAPSE] Link: https://lkml.kernel.org/r/d54d1dfb-f06d-4979-983b-73998f05867e@lucifer.local Link: https://lkml.kernel.org/r/20250721155530.75944-1-lorenzo.stoakes@oracle.com Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Acked-by: SeongJae Park <sj@kernel.org> Reviewed-by: Zi Yan <ziy@nvidia.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Barry Song <baohua@kernel.org> Acked-by: David Hildenbrand <david@redhat.com> Cc: Dev Jain <dev.jain@arm.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Mariano Pache <npache@redhat.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-07-24Docs/ABI/damon: update for refresh_msSeongJae Park
Document the new DAMON sysfs file, refresh_ms, on the ABI document. Link: https://lkml.kernel.org/r/20250717055448.56976-5-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-07-24Docs/admin-guide/mm/damon/usage: document refresh_ms fileSeongJae Park
Document the new DAMON sysfs file, refresh_ms, on the usage document. Link: https://lkml.kernel.org/r/20250717055448.56976-4-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-07-24net: define an enum for the napi threaded stateSamiullah Khawaja
Instead of using '0' and '1' for napi threaded state use an enum with 'disabled' and 'enabled' states. Tested: ./tools/testing/selftests/net/nl_netdev.py TAP version 13 1..7 ok 1 nl_netdev.empty_check ok 2 nl_netdev.lo_check ok 3 nl_netdev.page_pool_check ok 4 nl_netdev.napi_list_check ok 5 nl_netdev.dev_set_threaded ok 6 nl_netdev.napi_set_threaded ok 7 nl_netdev.nsim_rxq_reset_down # Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0 Signed-off-by: Samiullah Khawaja <skhawaja@google.com> Link: https://patch.msgid.link/20250723013031.2911384-4-skhawaja@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-07-24Merge tag 'for-net-next-2025-07-23' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Luiz Augusto von Dentz says: ==================== bluetooth-next pull request for net-next: core: - hci_sync: fix double free in 'hci_discovery_filter_clear()' - hci_event: Mask data status from LE ext adv reports - hci_devcd_dump: fix out-of-bounds via dev_coredumpv - ISO: add socket option to report packet seqnum via CMSG - hci_event: Add support for handling LE BIG Sync Lost event - ISO: Support SCM_TIMESTAMPING for ISO TS - hci_core: Add PA_LINK to distinguish BIG sync and PA sync connections - hci_sock: Reset cookie to zero in hci_sock_free_cookie() drivers: - btusb: Add new VID/PID 0489/e14e for MT7925 - btusb: Add a new VID/PID 2c7c/7009 for MT7925 - btusb: Add RTL8852BE device 0x13d3:0x3618 - btusb: Add support for variant of RTL8851BE (USB ID 13d3:3601) - btusb: Add USB ID 3625:010b for TP-LINK Archer TX10UB Nano - btusb: QCA: Support downloading custom-made firmwares - btusb: Add one more ID 0x28de:0x1401 for Qualcomm WCN6855 - nxp: add support for supply and reset - btnxpuart: Add support for 4M baudrate - btnxpuart: Correct the Independent Reset handling after FW dump - btnxpuart: Add uevents for FW dump and FW download complete - btintel: Define a macro for Intel Reset vendor command - btintel_pcie: Support Function level reset - btintel_pcie: Add support for device 0x4d76 - btintel_pcie: Make driver wait for alive interrupt - btintel_pcie: Fix Alive Context State Handling - hci_qca: Enable ISO data packet RX * tag 'for-net-next-2025-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (42 commits) Bluetooth: Add PA_LINK to distinguish BIG sync and PA sync connections Bluetooth: hci_event: Mask data status from LE ext adv reports Bluetooth: btintel_pcie: Fix Alive Context State Handling Bluetooth: btintel_pcie: Make driver wait for alive interrupt Bluetooth: hci_devcd_dump: fix out-of-bounds via dev_coredumpv Bluetooth: hci_sync: fix double free in 'hci_discovery_filter_clear()' Bluetooth: btusb: Add one more ID 0x28de:0x1401 for Qualcomm WCN6855 Bluetooth: btusb: Sort WCN6855 device IDs by VID and PID Bluetooth: btusb: QCA: Support downloading custom-made firmwares Bluetooth: btnxpuart: Add uevents for FW dump and FW download complete Bluetooth: btnxpuart: Correct the Independent Reset handling after FW dump Bluetooth: ISO: Support SCM_TIMESTAMPING for ISO TS Bluetooth: ISO: add socket option to report packet seqnum via CMSG Bluetooth: btintel: Define a macro for Intel Reset vendor command Bluetooth: Fix typos in comments Bluetooth: RFCOMM: Fix typos in comments Bluetooth: aosp: Fix typo in comment Bluetooth: hci_bcm4377: Fix typo in comment Bluetooth: btrtl: Fix typo in comment Bluetooth: btmtk: Fix typo in log string ... ==================== Link: https://patch.msgid.link/20250723190233.166823-1-luiz.dentz@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-07-24Merge tag 'wireless-next-2025-07-24' of ↵Jakub Kicinski
https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next Johannes Berg says: ==================== Another wireless update: - rtw89: - STA+P2P concurrency - support for USB devices RTL8851BU/RTL8852BU - ath9k: OF support - ath12k: - more EHT/Wi-Fi 7 features - encapsulation/decapsulation offload - iwlwifi: some FIPS interoperability - brcm80211: support SDIO 43751 device - rt2x00: better DT/OF support - cfg80211/mac80211: - improved S1G support - beacon monitor for MLO * tag 'wireless-next-2025-07-24' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (199 commits) ssb: use new GPIO line value setter callbacks for the second GPIO chip wifi: Fix typos wifi: brcmsmac: Use str_true_false() helper wifi: brcmfmac: fix EXTSAE WPA3 connection failure due to AUTH TX failure wifi: brcm80211: Remove yet more unused functions wifi: brcm80211: Remove more unused functions wifi: brcm80211: Remove unused functions wifi: iwlwifi: Revert "wifi: iwlwifi: remove support of several iwl_ppag_table_cmd versions" wifi: iwlwifi: check validity of the FW API range wifi: iwlwifi: don't export symbols that we shouldn't wifi: iwlwifi: mld: use spec link id and not FW link id wifi: iwlwifi: mld: decode EOF bit for AMPDUs wifi: iwlwifi: Remove support for rx OMI bandwidth reduction wifi: iwlwifi: stop supporting iwl_omi_send_status_notif ver 1 wifi: iwlwifi: remove SC2F firmware support wifi: iwlwifi: mvm: Remove NAN support wifi: iwlwifi: mld: avoid outdated reorder buffer head_sn wifi: iwlwifi: mvm: avoid outdated reorder buffer head_sn wifi: iwlwifi: disable certain features for fips_enabled wifi: iwlwifi: mld: support channel survey collection for ACS scans ... ==================== Link: https://patch.msgid.link/20250724100349.21564-3-johannes@sipsolutions.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-07-24spi: sophgo: Add SPI NOR controller for SG2042Mark Brown
Merge series from Zixian Zeng <sycamoremoon376@gmail.com>: Add support SPI NOR flash memory controller for SG2042, using upstreamed SG2044 SPI NOR driver. Tested on SG2042 Pioneer Box, read, write operations. Thanks Chen Wang who provided machine and guidance.
2025-07-24selftests: pci_endpoint: Add doorbell test caseFrank Li
Add doorbell test case. Signed-off-by: Frank Li <Frank.Li@nxp.com> [mani: Reworded the testcase description] Signed-off-by: Manivannan Sadhasivam <mani@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Tested-by: Niklas Cassel <cassel@kernel.org> Link: https://patch.msgid.link/20250710-ep-msi-v21-8-57683fc7fb25@nxp.com
2025-07-24Add RSPI support for RZ/V2HMark Brown
Merge series from Fabrizio Castro <fabrizio.castro.jz@renesas.com>: This series adds support for the Renesas RZ/V2H RSPI IP.
2025-07-24dt-bindings: clock: convert lpc1850-cgu.txt to yaml formatFrank Li
Convert lpc1850-cgu.txt to yaml format. Additional changes: - remove extra clock source nodes in example. - remove clock consumer in example. - remove clock-output-names and clock-clock-indices from required list to match existed dts. Signed-off-by: Frank Li <Frank.Li@nxp.com> Link: https://lore.kernel.org/r/20250606162410.1361169-1-Frank.Li@nxp.com Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2025-07-24dt-bindings: clock: Convert qca,ath79-pll to DT schemaRob Herring (Arm)
Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20250630232625.3700213-1-robh@kernel.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2025-07-24dt-bindings: clock: Convert nuvoton,npcm750-clk to DT schemaRob Herring (Arm)
Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20250630232637.3700584-1-robh@kernel.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2025-07-24dt-bindings: clock: Convert moxa,moxart-clock to DT schemaRob Herring (Arm)
Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20250630232644.3700781-1-robh@kernel.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2025-07-24dt-bindings: clock: Convert microchip,pic32mzda-clk to DT schemaRob Herring (Arm)
Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20250630232652.3701007-1-robh@kernel.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2025-07-24dt-bindings: clock: Convert maxim,max9485 to DT schemaRob Herring (Arm)
Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20250630232658.3701225-1-robh@kernel.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2025-07-24support for amlogic the new SPI IPMark Brown
Merge series from Xianwei Zhao <xianwei.zhao@amlogic.com>: Introduced support for the new SPI IP (SPISG). The SPISG is a communication-oriented SPI controller from Amlogic,supporting three operation modes: PIO, block DMA, and scatter-gather DMA. Add the drivers and device tree bindings corresponding to the SPISG.
2025-07-24dt-bindings: clock: Convert qcom,krait-cc to DT schemaRob Herring (Arm)
Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20250630232617.3699954-1-robh@kernel.org [sboyd@kernel.org: Update to korg] Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2025-07-24dt-bindings: clock: qcom: Remove double colon from descriptionLuca Weiss
No double colon is necessary in the description. Fix it for all bindings so future bindings won't have the same copy-paste mistake. Reported-by: Rob Herring <robh@kernel.org> Closes: https://lore.kernel.org/lkml/20250625150458.GA1182597-robh@kernel.org/ Signed-off-by: Luca Weiss <luca.weiss@fairphone.com> Link: https://lore.kernel.org/r/20250717-bindings-double-colon-v1-1-c04abc180fcd@fairphone.com Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2025-07-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Cross-merge networking fixes after downstream PR (net-6.16-rc8). Conflicts: drivers/net/ethernet/microsoft/mana/gdma_main.c 9669ddda18fb ("net: mana: Fix warnings for missing export.h header inclusion") 755391121038 ("net: mana: Allocate MSI-X vectors dynamically") https://lore.kernel.org/20250711130752.23023d98@canb.auug.org.au Adjacent changes: drivers/net/ethernet/ti/icssg/icssg_prueth.h 6e86fb73de0f ("net: ti: icssg-prueth: Fix buffer allocation for ICSSG") ffe8a4909176 ("net: ti: icssg-prueth: Read firmware-names from device tree") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-07-24Merge branch 'for-next/feat_mte_store_only' into for-next/coreCatalin Marinas
* for-next/feat_mte_store_only: : MTE feature to restrict tag checking to store only operations kselftest/arm64/mte: Add MTE_STORE_ONLY testcases kselftest/arm64/mte: Preparation for mte store only test kselftest/arm64/abi: Add MTE_STORE_ONLY feature hwcap test KVM: arm64: Expose MTE_STORE_ONLY feature to guest arm64/hwcaps: Add MTE_STORE_ONLY hwcaps arm64/kernel: Support store-only mte tag check prctl: Introduce PR_MTE_STORE_ONLY arm64/cpufeature: Add MTE_STORE_ONLY feature
2025-07-24Merge branches 'for-next/livepatch', 'for-next/user-contig-bbml2', ↵Catalin Marinas
'for-next/misc', 'for-next/acpi', 'for-next/debug-entry', 'for-next/feat_mte_tagged_far', 'for-next/kselftest', 'for-next/mdscr-cleanup' and 'for-next/vmap-stack', remote-tracking branch 'arm64/for-next/perf' into for-next/core * arm64/for-next/perf: (23 commits) drivers/perf: hisi: Support PMUs with no interrupt drivers/perf: hisi: Relax the event number check of v2 PMUs drivers/perf: hisi: Add support for HiSilicon SLLC v3 PMU driver drivers/perf: hisi: Use ACPI driver_data to retrieve SLLC PMU information drivers/perf: hisi: Add support for HiSilicon DDRC v3 PMU driver drivers/perf: hisi: Simplify the probe process for each DDRC version perf/arm-ni: Support sharing IRQs within an NI instance perf/arm-ni: Consolidate CPU affinity handling perf/cxlpmu: Fix typos in cxl_pmu.c comments and documentation perf/cxlpmu: Remove unintended newline from IRQ name format string perf/cxlpmu: Fix devm_kcalloc() argument order in cxl_pmu_probe() perf: arm_spe: Relax period restriction perf: arm_pmuv3: Add support for the Branch Record Buffer Extension (BRBE) KVM: arm64: nvhe: Disable branch generation in nVHE guests arm64: Handle BRBE booting requirements arm64/sysreg: Add BRBE registers and fields perf/arm: Add missing .suppress_bind_attrs perf/arm-cmn: Reduce stack usage during discovery perf: imx9_perf: make the read-only array mask static const perf/arm-cmn: Broaden module description for wider interconnect support ... * for-next/livepatch: : Support for HAVE_LIVEPATCH on arm64 arm64: Kconfig: Keep selects somewhat alphabetically ordered arm64: Implement HAVE_LIVEPATCH arm64: stacktrace: Implement arch_stack_walk_reliable() arm64: stacktrace: Check kretprobe_find_ret_addr() return value arm64/module: Use text-poke API for late relocations. * for-next/user-contig-bbml2: : Optimise the TLBI when folding/unfolding contigous PTEs on hardware with BBML2 and no TLB conflict aborts arm64/mm: Elide tlbi in contpte_convert() under BBML2 iommu/arm: Add BBM Level 2 smmu feature arm64: Add BBM Level 2 cpu feature arm64: cpufeature: Introduce MATCH_ALL_EARLY_CPUS capability type * for-next/misc: : Miscellaneous arm64 patches arm64/gcs: task_gcs_el0_enable() should use passed task arm64: signal: Remove ISB when resetting POR_EL0 arm64/mm: Drop redundant addr increment in set_huge_pte_at() arm64: Mark kernel as tainted on SAE and SError panic arm64/gcs: Don't call gcs_free() when releasing task_struct arm64: fix unnecessary rebuilding when CONFIG_DEBUG_EFI=y arm64/mm: Optimize loop to reduce redundant operations of contpte_ptep_get arm64: pi: use 'targets' instead of extra-y in Makefile * for-next/acpi: : Various ACPI arm64 changes ACPI: Suppress misleading SPCR console message when SPCR table is absent ACPI: Return -ENODEV from acpi_parse_spcr() when SPCR support is disabled * for-next/debug-entry: : Simplify the debug exception entry path arm64: debug: remove debug exception registration infrastructure arm64: debug: split bkpt32 exception entry arm64: debug: split brk64 exception entry arm64: debug: split hardware watchpoint exception entry arm64: debug: split single stepping exception entry arm64: debug: refactor reinstall_suspended_bps() arm64: debug: split hardware breakpoint exception entry arm64: entry: Add entry and exit functions for debug exceptions arm64: debug: remove break/step handler registration infrastructure arm64: debug: call step handlers statically arm64: debug: call software breakpoint handlers statically arm64: refactor aarch32_break_handler() arm64: debug: clean up single_step_handler logic * for-next/feat_mte_tagged_far: : Support for reporting the non-address bits during a synchronous MTE tag check fault kselftest/arm64/mte: Add mtefar tests on check_mmap_options kselftest/arm64/mte: Refactor check_mmap_option test kselftest/arm64/mte: Add verification for address tag in signal handler kselftest/arm64/mte: Add address tag related macro and function kselftest/arm64/mte: Check MTE_FAR feature is supported kselftest/arm64/mte: Register mte signal handler with SA_EXPOSE_TAGBITS kselftest/arm64: Add MTE_FAR hwcap test KVM: arm64: Expose FEAT_MTE_TAGGED_FAR feature to guest arm64: Report address tag when FEAT_MTE_TAGGED_FAR is supported arm64/cpufeature: Add FEAT_MTE_TAGGED_FAR feature * for-next/kselftest: : Kselftest updates for arm64 kselftest/arm64: Handle attempts to disable SM on SME only systems kselftest/arm64: Fix SVE write data generation for SME only systems kselftest/arm64: Test SME on SME only systems in fp-ptrace kselftest/arm64: Test FPSIMD format data writes via NT_ARM_SVE in fp-ptrace kselftest/arm64: Allow sve-ptrace to run on SME only systems kselftest/arm4: Provide local defines for AT_HWCAP3 kselftest/arm64: Specify SVE data when testing VL set in sve-ptrace kselftest/arm64: Fix test for streaming FPSIMD write in sve-ptrace kselftest/arm64: Fix check for setting new VLs in sve-ptrace kselftest/arm64: Convert tpidr2 test to use kselftest.h * for-next/mdscr-cleanup: : Drop redundant DBG_MDSCR_* macros KVM: selftests: Change MDSCR_EL1 register holding variables as uint64_t arm64/debug: Drop redundant DBG_MDSCR_* macros * for-next/vmap-stack: : Force VMAP_STACK on arm64 arm64: remove CONFIG_VMAP_STACK checks from entry code arm64: remove CONFIG_VMAP_STACK checks from SDEI stack handling arm64: remove CONFIG_VMAP_STACK checks from stacktrace overflow logic arm64: remove CONFIG_VMAP_STACK conditionals from traps overflow stack arm64: remove CONFIG_VMAP_STACK conditionals from irq stack setup arm64: Remove CONFIG_VMAP_STACK conditionals from THREAD_SHIFT and THREAD_ALIGN arm64: efi: Remove CONFIG_VMAP_STACK check arm64: Mandate VMAP_STACK arm64: efi: Fix KASAN false positive for EFI runtime stack arm64/ptrace: Fix stack-out-of-bounds read in regs_get_kernel_stack_nth() arm64/gcs: Don't call gcs_free() during flush_gcs() arm64: Restrict pagetable teardown to avoid false warning docs: arm64: Fix ICC_SRE_EL2 register typo in booting.rst
2025-07-24verification/rvgen: Support the 'next' operatorNam Cao
The 'next' operator is a unary operator. It is defined as: "next time, the operand must be true". Support this operator. For RV monitors, "next time" means the next invocation of ltl_validate(). Cc: John Ogness <john.ogness@linutronix.de> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Link: https://lore.kernel.org/9c32cec04dd18d2e956fddd84b0e0a2503daa75a.1752239482.git.namcao@linutronix.de Signed-off-by: Nam Cao <namcao@linutronix.de> Tested-by: Gabriele Monaco <gmonaco@redhat.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-07-24Documentation/rv: Add documentation for linear temporal logic monitorsNam Cao
Add documents describing linear temporal logic runtime verification monitors and how to generate them using rvgen. Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Gabriele Monaco <gmonaco@redhat.com> Link: https://lore.kernel.org/be13719e66fd8da147d7c69d5365aa23c52b743f.1751634289.git.namcao@linutronix.de Signed-off-by: Nam Cao <namcao@linutronix.de> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-07-24Documentation/rv: Prepare monitor synthesis document for LTL inclusionNam Cao
Monitor synthesis from deterministic automaton and linear temporal logic have a lot in common. Therefore a single document should describe both. Change da_monitor_synthesis.rst to monitor_synthesis.rst. LTL monitor synthesis will be added to this file by a follow-up commit. This makes the diff far easier to read. If renaming and adding LTL info is done in a single commit, git wouldn't recognize it as a rename, but a file removal and a file addition. While at it, correct the old dot2k commands to the new rvgen commands. Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Link: https://lore.kernel.org/d91c6e4600287f4732d68a014219e576a75ce6dc.1751634289.git.namcao@linutronix.de Reviewed-by: Gabriele Monaco <gmonaco@redhat.com> Signed-off-by: Nam Cao <namcao@linutronix.de> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-07-24sphinx: kernel_abi: fix performance regression with O=<dir>Mauro Carvalho Chehab
The logic there which adds a dependency note to Sphinx cache is not taking into account that the build dir may not be the source dir. This causes a performance regression: $ time make O=/tmp/foo SPHINXDIRS=admin-guide htmldocs [OUTDATED] Added: set() Changed: {'abi-obsolete', 'abi-removed', 'abi-stable-files', 'abi-obsolete-files', 'abi-stable', 'abi', 'abi-removed-files', 'abi-testing-files', 'abi-testing', 'gpio/index', 'gpio/obsolete'} Removed: set() All docs count: 385 Found docs count: 385 real 0m11,324s user 0m15,783s sys 0m1,164s To get the root cause of the problem (ABI files reported as changed), I used this changeset: diff --git a/Documentation/conf.py b/Documentation/conf.py index e8766e689c1b..ab486623bd8b 100644 --- a/Documentation/conf.py +++ b/Documentation/conf.py @@ -571,3 +571,16 @@ def setup(app): """Patterns need to be updated at init time on older Sphinx versions""" app.connect('config-inited', update_patterns) + app.connect('env-get-outdated', on_outdated) + +def on_outdated(app, env, added, changed, removed): + """Track cache outdated due to added/changed/removed files""" + print("\n[OUTDATED]") + print(f"Added: {added}") + print(f"Changed: {changed}") + print(f"Removed: {removed}") + print(f"All docs count: {len(env.all_docs)}") + print(f"Found docs count: {len(env.found_docs)}") + + # Just return what we have + return added | changed | removed Reported-by: Akira Yokosawa <akiyks@gmail.com> Closes: https://lore.kernel.org/linux-doc/c174f7c5-ec21-4eae-b1c3-f643cca90d9d@gmail.com/ Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Tested-by: Akira Yokosawa <akiyks@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/e25673d87357457bc54ee863e97ff8f75956580d.1752752211.git.mchehab+huawei@kernel.org
2025-07-24Documentation: core-api: entry: Replace deprecated KVM entry/exit functionsAndrew Donnellan
The x86-specific functions kvm_guest_{enter,exit}_irqoff() were removed and replaced by the generic guest_state_{enter,exit}_irqoff() in commit ef9989afda73 ("kvm: add guest_state_{enter,exit}_irqoff()") and commit b2d2af7e5df3 ("kvm/x86: rework guest entry logic"). Update the references in the entry/exit handling documentation. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Nicolas Saenz Julienne <nsaenz@amazon.com> Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250723075134.105132-1-ajd@linux.ibm.com
2025-07-24docs: fault-injection: drop reference to md-faultyVignesh Raman
Commit 415c7451872b ("md: Remove deprecated CONFIG_MD_FAULTY") removed the md-faulty driver, so drop the outdated reference from the fault-injection documentation. Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250723102835.232740-1-vignesh.raman@collabora.com
2025-07-24spi: dt-bindings: Document the RZ/V2H(P) RSPIFabrizio Castro
Add dt-bindings for the RSPI IP found inside the Renesas RZ/V2H(P) SoC. Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://patch.msgid.link/20250704162036.468765-2-fabrizio.castro.jz@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2025-07-24ASoC: dt-bindings: atmel,at91-ssc: add microchip,sam9x7-sscVarshini Rajendran
Add microchip,sam9x7-ssc to DT bindings documentation. Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20250610065005.64070-1-varshini.rajendran@microchip.com Signed-off-by: Mark Brown <broonie@kernel.org>
2025-07-24spi: dt-bindings: Add binding document of Amlogic SPISG controllerSunny Luo
The SPISG is a new communication oriented SPI controller of Amlogic, which supports PIO, block DMA and scatter-gather DMA three operation modes. Signed-off-by: Sunny Luo <sunny.luo@amlogic.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com> Link: https://patch.msgid.link/20250718-spisg-v5-1-b8f0f1eb93a2@amlogic.com Signed-off-by: Mark Brown <broonie@kernel.org>
2025-07-24spi: dt-bindings: spi-sg2044-nor: Change SOPHGO SG2042Zixian Zeng
With further testing, directly using the spi-sg2044-nor driver on SG2042 does not work. SG2042 is found to lack full compatibility with SG2044. SG2044 has OPT register and it's necessary to write but SG2042 does not. Due to other possible hardware detail differences, it is better to bind SG2042 independently. Fixes: 8450f1e0d3d0 ("spi: dt-bindings: spi-sg2044-nor: Add SOPHGO SG2042") Signed-off-by: Zixian Zeng <sycamoremoon376@gmail.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Chen Wang <unicorn_wang@outlook.com> & Tested-by: Chen Wang Link: https://patch.msgid.link/20250720-sfg-spifmc-v4-1-033188ad801e@gmail.com Reviewed-by: Chen Wang <unicorn_wang@outlook.com> & Tested-by: Chen Wang Signed-off-by: Mark Brown <broonie@kernel.org>
2025-07-24erofs: support to readahead dirent blocks in erofs_readdir()Chao Yu
This patch supports to readahead more blocks in erofs_readdir(), it can enhance readdir performance in large direcotry. readdir test in a large directory which contains 12000 sub-files. files_per_second Before: 926385.54 After: 2380435.562 Meanwhile, let's introduces a new sysfs entry to control readahead bytes to provide more flexible policy for readahead of readdir(). - location: /sys/fs/erofs/<disk>/dir_ra_bytes - default value: 16384 - disable readahead: set the value to 0 Signed-off-by: Chao Yu <chao@kernel.org> Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> Link: https://lore.kernel.org/r/20250721021352.2495371-1-chao@kernel.org [ Gao Xiang: minor styling adjustment. ] Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2025-07-24erofs: implement metadata compressionBo Liu (OpenAnolis)
Thanks to the meta buffer infrastructure, metadata-compressed inodes are just read from the metabox inode instead of the blockdevice (or backing file) inode. The same is true for shared extended attributes. When metadata compression is enabled, inode numbers are divided from on-disk NIDs because of non-LTS 32-bit application compatibility. Co-developed-by: Gao Xiang <hsiangkao@linux.alibaba.com> Signed-off-by: Bo Liu (OpenAnolis) <liubo03@inspur.com> Acked-by: Chao Yu <chao@kernel.org> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com> Link: https://lore.kernel.org/r/20250722003229.2121752-1-hsiangkao@linux.alibaba.com
2025-07-24Merge tag 'ib-mfd-gpio-power-soc-v6.17' of ↵Bartosz Golaszewski
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into gpio/for-next Immutable branch between MFD, GPIO, Power and SoC due for the v6.17 merge window
2025-07-24dt-bindings: mfd: rk806: Allow to customize PMIC reset modeQuentin Schulz
The RK806 PMIC allows to configure its reset/restart behavior whenever the PMIC is reset either programmatically or via some external pins (e.g. PWRCTRL or RESETB). The following modes exist: - 0; restart PMU, - 1; reset all power off reset registers and force state to switch to ACTIVE mode, - 2; same as mode 1 and also pull RESETB pin down for 5ms, For example, some hardware may require a full restart (mode 0) in order to function properly as regulators are shortly interrupted in this mode. This is the case for RK3588 Jaguar and RK3588 Tiger which have a companion microcontroller running on an independent power supply and monitoring the PMIC power rail to know the state of the main system. When it detects a restart, it resets its own IPs exposed to the main system as if to simulate its own reset. Failing to perform this fake reset of the microcontroller may break things (e.g. watchdog not automatically disabled, buzzer still running until manually disabled, leftover configuration from previous main system state, etc...). Some other systems may be depending on the power rails to not be interrupted even for a small amount of time[1]. This allows to specify how the PMIC should perform on the hardware level and may differ between hardware designs, so a DT property seems warranted. I unfortunately do not see how this could be made generic enough to make it a non-vendor property. [1] https://lore.kernel.org/linux-rockchip/2577051.irdbgypaU6@workhorse/ Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de> Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org> Link: https://lore.kernel.org/r/20250627-rk8xx-rst-fun-v4-1-ce05d041b45f@cherry.de Signed-off-by: Lee Jones <lee@kernel.org>
2025-07-24dt-bindings: mfd: samsung,s2mps11: Add comment about interrupts propertiesAndré Draszik
Document why the binding uses oneOf when specifying just one of the interrupt properties is supposed to be enough. dtschema's fixups.py has special treatment of the interrupts and interrupts-extended properties, but that appears to work at the top level only. Elsewhere, an explicit oneOf is required. Signed-off-by: André Draszik <andre.draszik@linaro.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20250627-s2mpg10-binding-comment-v1-1-f37e5187f0fd@linaro.org Signed-off-by: Lee Jones <lee@kernel.org>
2025-07-24dt-bindings: mfd: fsl,imx8qxp-csr: Remove binding documentationLiu Ying
commit b0a5cde57cf1 ("dt-bindings: mfd: Explain lack of child dependency in simple-mfd") pointed out that it's a mistake for a child device of a simple MFD device to depend on the simple MFD device's clock resources. fsl,imx8qxp-csr.yaml happens to make that mistake. To fix that, remove fsl,imx8qxp-csr.yaml and use "simple-pm-bus" and "syscon" as the CSR node's compatible strings in the examples of fsl,imx8qxp-pixel-link-msi-bus.yaml to replace the wrong compatible strings which include "simple-mfd" and "fsl,imx8qxp-mipi-lvds-csr". Since fsl,imx8qxp-pixel-link-msi-bus.yaml as the last user of the CSR compatible strings no longer uses them, it's safe to remove the fsl,imx8qxp-csr.yaml binding documentation. Fixes: 9b2c55b5403f ("dt-bindings: mfd: Add i.MX8qm/qxp Control and Status Registers module binding") Fixes: c08645ea215c ("dt-bindings: bus: Add Freescale i.MX8qxp pixel link MSI bus binding") Signed-off-by: Liu Ying <victor.liu@nxp.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Link: https://lore.kernel.org/r/20250620022537.3072877-1-victor.liu@nxp.com Signed-off-by: Lee Jones <lee@kernel.org>
2025-07-24dt-bindings: mfd: Convert lpc1850-creg-clk, pc1850-dmamux and ↵Frank Li
phy-lpc18xx-usb-otg to YAML format Combine the following separate plain text based bindings to YAML: lpc1850-creg-clk.txt pc1850-dmamux.txt phy-lpc18xx-usb-otg.txt Additional changes: - remove label in example. - remove dmamux consumer in example. - remove clock consumer in example. Signed-off-by: Frank Li <Frank.Li@nxp.com> Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org> Link: https://lore.kernel.org/r/20250602143612.943516-1-Frank.Li@nxp.com Signed-off-by: Lee Jones <lee@kernel.org>
2025-07-24dt-bindings: mfd: convert mxs-lradc bindings to json-schemaDario Binacchi
Convert the Freescale MXS Low-Resoulution ADC (LRADC) device tree binding documentation to json-schema. The clocks and #io-channel-cells properties have also been added; They are present in the respective SoC DTSI files but were missing from the old mxs-lradc.txt file. Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20250530160748.2476088-2-dario.binacchi@amarulasolutions.com Signed-off-by: Lee Jones <lee@kernel.org>
2025-07-24Merge branches 'ib-mfd-gpio-input-pwm-6.17', 'ib-mfd-gpio-power-soc-6.17' ↵Lee Jones
and 'ib-mfd-misc-pinctrl-6.17' into ibs-for-mfd-merged
2025-07-24Merge branch 'arm/smmu/bindings' into nextWill Deacon
* arm/smmu/bindings: dt-bindings: arm-smmu: Remove sdm845-cheza specific entry dt-bindings: arm-smmu: document the support on Milos iommu/arm-smmu-qcom: Add SM6115 MDSS compatible
2025-07-24dt-bindings: gpio: rockchip: Allow use of a power-domainJonas Karlman
The GPIO controllers in most Rockchip SoCs are part of power domains that are always powered on, i.e. PD_BUS or PD_PMU. These always powered on power domains have typically not been described in the device tree. Because these power domains have been left out of the device tree there has not been any real need to properly describe the GPIO controllers power domain. On RK3528 the GPIO controllers are spread out among the described PD_RKVENC, PD_VO and PD_VPU power domains. However, one GPIO controller belong to an undescribed always powered on power domain. Add support to describe an optional power-domains for the GPIO controllers in Rockchip SoCs. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20250723085654.2273324-2-jonas@kwiboo.se Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>