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2023-02-22Merge tag 'docs-6.3' of git://git.lwn.net/linuxLinus Torvalds
Pull documentation updates from Jonathan Corbet: "It has been a moderately calm cycle for documentation; the significant changes include: - Some significant additions to the memory-management documentation - Some improvements to navigation in the HTML-rendered docs - More Spanish and Chinese translations ... and the usual set of typo fixes and such" * tag 'docs-6.3' of git://git.lwn.net/linux: (68 commits) Documentation/watchdog/hpwdt: Fix Format Documentation/watchdog/hpwdt: Fix Reference Documentation: core-api: padata: correct spelling docs/mm: Physical Memory: correct spelling in reference to CONFIG_PAGE_EXTENSION docs: Use HTML comments for the kernel-toc SPDX line docs: Add more information to the HTML sidebar Documentation: KVM: Update AMD memory encryption link printk: Document that CONFIG_BOOT_PRINTK_DELAY required for boot_delay= Documentation: userspace-api: correct spelling Documentation: sparc: correct spelling Documentation: driver-api: correct spelling Documentation: admin-guide: correct spelling docs: add workload-tracing document to admin-guide docs/admin-guide/mm: remove useless markup docs/mm: remove useless markup docs/mm: Physical Memory: remove useless markup docs/sp_SP: Add process magic-number translation docs: ftrace: always use canonical ftrace path Doc/damon: fix the data path error dma-buf: Add "dma-buf" to title of documentation ...
2023-02-21Merge tag 'net-next-6.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ...
2023-02-21scripts/decodecode: Add support for RISC-VBjörn Töpel
RISC-V has some GNU disassembly quirks, e.g. it requires '-D' to properly disassemble .2byte directives similar to Arm [1]. Further, GNU objdump groups RISC-V instruction by 2 or 4 byte chunks, instead doing byte-for-byte. Add the required switches, and translate from short/word to bytes when ARCH is "riscv". An example how to invoke decodecode for RISC-V: $ echo 'Code: bf45 f793 1007 f7d9 50ef 37af d541 b7d9 7097 00c8 (80e7) 6140' | AFLAGS="-march=rv64imac_zicbom_zihintpause" \ ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- ./scripts/decodecode Code: bf45 f793 1007 f7d9 50ef 37af d541 b7d9 7097 00c8 (80e7) 6140 All code ======== 0: bf45 c.j 0xffffffffffffffb0 2: 1007f793 andi a5,a5,256 6: f7d9 c.bnez a5,0xffffffffffffff94 8: 37af50ef jal ra,0xf5382 c: d541 c.beqz a0,0xffffffffffffff94 e: b7d9 c.j 0xffffffffffffffd4 10: 00c87097 auipc ra,0xc87 14:* 614080e7 jalr ra,1556(ra) # 0xc87624 <-- trapping instruction Code starting with the faulting instruction =========================================== 0: 614080e7 jalr ra,1556(ra) [1] https://sourceware.org/bugzilla/show_bug.cgi?id=10263 Signed-off-by: Björn Töpel <bjorn@rivosinc.com> Tested-by: Alexandre Ghiti <alexghiti@rivosinc.com> Link: https://lore.kernel.org/r/20230119074738.708301-3-bjorn@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-02-21Merge tag 'hardening-v6.3-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardening updates from Kees Cook: "Beyond some specific LoadPin, UBSAN, and fortify features, there are other fixes scattered around in various subsystems where maintainers were okay with me carrying them in my tree or were non-responsive but the patches were reviewed by others: - Replace 0-length and 1-element arrays with flexible arrays in various subsystems (Paulo Miguel Almeida, Stephen Rothwell, Kees Cook) - randstruct: Disable Clang 15 support (Eric Biggers) - GCC plugins: Drop -std=gnu++11 flag (Sam James) - strpbrk(): Refactor to use strchr() (Andy Shevchenko) - LoadPin LSM: Allow root filesystem switching when non-enforcing - fortify: Use dynamic object size hints when available - ext4: Fix CFI function prototype mismatch - Nouveau: Fix DP buffer size arguments - hisilicon: Wipe entire crypto DMA pool on error - coda: Fully allocate sig_inputArgs - UBSAN: Improve arm64 trap code reporting - copy_struct_from_user(): Add minimum bounds check on kernel buffer size" * tag 'hardening-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: randstruct: disable Clang 15 support uaccess: Add minimum bounds check on kernel buffer size arm64: Support Clang UBSAN trap codes for better reporting coda: Avoid partial allocation of sig_inputArgs gcc-plugins: drop -std=gnu++11 to fix GCC 13 build lib/string: Use strchr() in strpbrk() crypto: hisilicon: Wipe entire pool on error net/i40e: Replace 0-length array with flexible array io_uring: Replace 0-length array with flexible array ext4: Fix function prototype mismatch for ext4_feat_ktype i915/gvt: Replace one-element array with flexible-array member drm/nouveau/disp: Fix nvif_outp_acquire_dp() argument size LoadPin: Allow filesystem switch when not enforcing LoadPin: Move pin reporting cleanly out of locking LoadPin: Refactor sysctl initialization LoadPin: Refactor read-only check into a helper ARM: ixp4xx: Replace 0-length arrays with flexible arrays fortify: Use __builtin_dynamic_object_size() when available rxrpc: replace zero-lenth array with DECLARE_FLEX_ARRAY() helper
2023-02-20Merge tag 'x86-boot-2023-02-20' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 boot updates from Ingo Molnar: - Robustify/fix calling startup_{32,64}() from the decompressor code, and removing x86 quirk from scripts/head-object-list.txt as a result. - Do not register processors that cannot be onlined for x2APIC * tag 'x86-boot-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/acpi/boot: Do not register processors that cannot be onlined for x2APIC scripts/head-object-list: Remove x86 from the list x86/boot: Robustify calling startup_{32,64}() from the decompressor code
2023-02-20Merge tag 'soc-defconfig-6.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM defconfigs updates from Arnd Bergmann: "As usual, this contains all the patches to enable options for newly added device drivers in the 32-bit and 64-bit defconfig files. I have sorted the files according to the changes to Kconfig files, to make it easier to check what has changed compared to the 'make savedefconfig' output. The most notable change this time is a series from Mark Brown to add a 'virtconfig' target for arm64, which is for the moment the same as the 'defconfig' target but disables all the top-level SoC specific options in order to have a smaller and faster kernel build" * tag 'soc-defconfig-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (39 commits) arm64: defconfig: enable drivers required by the Qualcomm SA8775P platform arm64: defconfig: Enable DisplayPort on SC8280XP laptops arm64: configs: Add virtconfig kbuild: Provide a version of merge_into_defconfig without override warnings scripts: merge_config: Add option to suppress warning on overrides ARM: reorder defconfig files arm64: reorder defconfig arm64: defconfig: enable Qualcomm SDAM nvmem driver arm64: defconfig: enable SM8450 DISPCC clock driver ARM: defconfig: Add IOSCHED_BFQ to the default configs ARM: configs: multi_v7: enable NVMEM driver for STM32 ARM: Add wpcm450_defconfig for Nuvoton WPCM450 arm64: defconfig: Enable DMA_RESTRICTED_POOL arm64: defconfig: Enable missing configs for mt8192-asurada riscv: defconfig: Enable the Allwinner D1 platform and drivers ARM: imx_v6_v7_defconfig: Don't enable PROVE_LOCKING ARM: multi_v7_defconfig: Add GXP Fan and SPI support ARM: add multi_v7_lpae_defconfig kbuild: Add config fragment merge functionality ARM: multi_v7_defconfig: Add options to support TQMLS102xA series ...
2023-02-18tracing: Always use canonical ftrace pathRoss Zwisler
The canonical location for the tracefs filesystem is at /sys/kernel/tracing. But, from Documentation/trace/ftrace.rst: Before 4.1, all ftrace tracing control files were within the debugfs file system, which is typically located at /sys/kernel/debug/tracing. For backward compatibility, when mounting the debugfs file system, the tracefs file system will be automatically mounted at: /sys/kernel/debug/tracing Many comments and Kconfig help messages in the tracing code still refer to this older debugfs path, so let's update them to avoid confusion. Link: https://lore.kernel.org/linux-trace-kernel/20230215223350.2658616-2-zwisler@google.com Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com> Signed-off-by: Ross Zwisler <zwisler@google.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2023-02-17of: add processing of EXPECT_NOT to of_unittest_expectFrank Rowand
scripts/dtc/of_unittest_expect processes EXPECT messages that document expected kernel messages triggered by unittest. Add processing of EXPECT_NOT messages that document kernel messages triggered by unittest that are not expected. This is commit 2 of 2, implementing the processing of EXPECT_NOT messages. Signed-off-by: Frank Rowand <frowand.list@gmail.com> Link: https://lore.kernel.org/r/20230213185702.395776-3-frowand.list@gmail.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-17of: prepare to add processing of EXPECT_NOT to of_unittest_expectFrank Rowand
scripts/dtc/of_unittest_expect processes EXPECT messages that document expected kernel messages triggered by unittest. Add processing of EXPECT_NOT messages that document kernel messages triggered by unittest that are not expected. This is commit 1 of 2, renaming existing variables in anticipation of the changes needed to process EXPECT_NOT, so that commit 2 of 2 will be smaller and easier to read. This commit is not intended to make any functional changes. Signed-off-by: Frank Rowand <frowand.list@gmail.com> Link: https://lore.kernel.org/r/20230213185702.395776-2-frowand.list@gmail.com Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-17Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Some of the devlink bits were tricky, but I think I got it right. Signed-off-by: David S. Miller <davem@davemloft.net>
2023-02-16scripts/tags.sh: fix incompatibility with PCRE2Carlos Llamas
Starting with release 10.38 PCRE2 drops default support for using \K in lookaround patterns as described in [1]. Unfortunately, scripts/tags.sh relies on such functionality to collect all_compiled_soures() leading to the following error: $ make COMPILED_SOURCE=1 tags GEN tags grep: \K is not allowed in lookarounds (but see PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK) The usage of \K for this pattern was introduced in commit 4f491bb6ea2a ("scripts/tags.sh: collect compiled source precisely") which speeds up the generation of tags significantly. In order to fix this issue without compromising the performance we can switch over to an equivalent sed expression. The same matching pattern is preserved here except \K is replaced with a backreference \1. [1] https://www.pcre.org/current/doc/html/pcre2syntax.html#SEC11 Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Cristian Ciocaltea <cristian.ciocaltea@collabora.com> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Jialu Xu <xujialu@vimux.org> Cc: Vipin Sharma <vipinsh@google.com> Cc: stable@vger.kernel.org Fixes: 4f491bb6ea2a ("scripts/tags.sh: collect compiled source precisely") Signed-off-by: Carlos Llamas <cmllamas@google.com> Link: https://lore.kernel.org/r/20230215183850.3353198-1-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-16kbuild: add a tool to list files ignored by gitMasahiro Yamada
In short, the motivation of this commit is to build a source package without cleaning the source tree. The deb-pkg and (src)rpm-pkg targets first run 'make clean' before creating a source tarball. Otherwise build artifacts such as *.o, *.a, etc. would be included in the tarball. Yet, the tarball ends up containing several garbage files since 'make clean' does not clean everything. Cleaning the tree every time is annoying since it makes the incremental build impossible. It is desirable to create a source tarball without cleaning the tree. In fact, there are some ways to achieve this. The easiest solution is 'git archive'. 'make perf-tar*-src-pkg' uses it, but I do not like it because it works only when the source tree is managed by git, and all files you want in the tarball must be committed in advance. I want to make it work without relying on git. We can do this. Files that are ignored by git are generated files, so should be excluded from the source tarball. We can list them out by parsing the .gitignore files. Of course, .gitignore does not cover all the cases, but it works well enough. tar(1) claims to support it: --exclude-vcs-ignores Exclude files that match patterns read from VCS-specific ignore files. Supported files are: .cvsignore, .gitignore, .bzrignore, and .hgignore. The best scenario would be to use 'tar --exclude-vcs-ignores', but this option does not work. --exclude-vcs-ignore does not understand any of the negation (!), preceding slash, following slash, etc.. So, this option is just useless. Hence, I wrote this gitignore parser. The previous version [1], written in Python, was so slow. This version is implemented in C, so it works much faster. I imported the code from git (commit: 23c56f7bd5f1), so we get the same result. This tool traverses the source tree, parsing all .gitignore files, and prints file paths that are ignored by git. The output is similar to 'git ls-files --ignored --directory --others --exclude-per-directory=.gitignore', except [1] Not sorted [2] No trailing slash for directories [2] is intentional because tar's --exclude-from option cannot handle trailing slashes. [How to test this tool] $ git clean -dfx $ make -s -j$(nproc) defconfig all # or allmodconifg or whatever $ git archive -o ../linux1.tar --prefix=./ HEAD $ tar tf ../linux1.tar | LANG=C sort > ../file-list1 # files emitted by 'git archive' $ make scripts_package HOSTCC scripts/list-gitignored $ scripts/list-gitignored --prefix=./ -o ../exclude-list $ tar cf ../linux2.tar --exclude-from=../exclude-list . $ tar tf ../linux2.tar | LANG=C sort > ../file-list2 # files emitted by 'tar' $ diff ../file-list1 ../file-list2 | grep -E '^(<|>)' < ./Documentation/devicetree/bindings/.yamllint < ./drivers/clk/.kunitconfig < ./drivers/gpu/drm/tests/.kunitconfig < ./drivers/hid/.kunitconfig < ./fs/ext4/.kunitconfig < ./fs/fat/.kunitconfig < ./kernel/kcsan/.kunitconfig < ./lib/kunit/.kunitconfig < ./mm/kfence/.kunitconfig < ./tools/testing/selftests/arm64/tags/ < ./tools/testing/selftests/arm64/tags/.gitignore < ./tools/testing/selftests/arm64/tags/Makefile < ./tools/testing/selftests/arm64/tags/run_tags_test.sh < ./tools/testing/selftests/arm64/tags/tags_test.c < ./tools/testing/selftests/kvm/.gitignore < ./tools/testing/selftests/kvm/Makefile < ./tools/testing/selftests/kvm/config < ./tools/testing/selftests/kvm/settings The source tarball contains most of files that are tracked by git. You see some diffs, but it is just because some .gitignore files are wrong. $ git ls-files -i -c --exclude-per-directory=.gitignore Documentation/devicetree/bindings/.yamllint drivers/clk/.kunitconfig drivers/gpu/drm/tests/.kunitconfig drivers/hid/.kunitconfig fs/ext4/.kunitconfig fs/fat/.kunitconfig kernel/kcsan/.kunitconfig lib/kunit/.kunitconfig mm/kfence/.kunitconfig tools/testing/selftests/arm64/tags/.gitignore tools/testing/selftests/arm64/tags/Makefile tools/testing/selftests/arm64/tags/run_tags_test.sh tools/testing/selftests/arm64/tags/tags_test.c tools/testing/selftests/kvm/.gitignore tools/testing/selftests/kvm/Makefile tools/testing/selftests/kvm/config tools/testing/selftests/kvm/settings [1]: https://lore.kernel.org/all/20230128173843.765212-1-masahiroy@kernel.org/ Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2023-02-15setlocalversion: use only the correct release tag for git-describeMasahiro Yamada
Currently, setlocalversion uses any annotated tag for git-describe. If we are at a tagged commit, it will not append the commit hash. $ git checkout v6.2-rc1^ $ make -s defconfig kernelrelease 6.1.0-14595-g292a089d78d3 $ git tag -a foo -m foo $ make -s kernelrelease 6.1.0 If a local tag 'foo' exists, it pretends to be a released version '6.1.0', while there are many commits on top of it. The output should be consistent irrespective of such a local tag. Pass the correct release tag to --match option of git-describe. In the mainline kernel, the SUBLEVEL is always '0', which is omitted from the tag. KERNELVERSION annotated tag 6.1.0 -> v6.1 (mainline) 6.2.0-rc5 -> v6.2-rc5 (mainline, release candidate) 6.1.7 -> v6.1.7 (stable) To preserve the behavior in linux-next, use the tag derived from localversion* files if exists. In linux-next, the local version is specified by the localversion-next file. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2023-02-13Merge tag 'mm-hotfixes-stable-2023-02-13-13-50' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "Twelve hotfixes, mostly against mm/. Five of these fixes are cc:stable" * tag 'mm-hotfixes-stable-2023-02-13-13-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: of: reserved_mem: Have kmemleak ignore dynamically allocated reserved mem scripts/gdb: fix 'lx-current' for x86 lib: parser: optimize match_NUMBER apis to use local array mm: shrinkers: fix deadlock in shrinker debugfs mm: hwpoison: support recovery from ksm_might_need_to_copy() kasan: fix Oops due to missing calls to kasan_arch_is_ready() revert "squashfs: harden sanity check in squashfs_read_xattr_id_table" fsdax: dax_unshare_iter() should return a valid length mm/gup: add folio to list when folio_isolate_lru() succeed aio: fix mremap after fork null-deref mailmap: add entry for Alexander Mikhalitsyn mm: extend max struct page size for kmsan
2023-02-13kbuild: Provide a version of merge_into_defconfig without override warningsMark Brown
While warning on overridden Kconfig options is a good default for merging config fragements sometimes that is our explicit intent and the warnings are unhelpful, add a new merge_into_defconfig_override which does the merge but with warnings suppressed. Since merge_into_defconfig accepts any number of fragments it is difficult to allow it to accept the flag. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20230203-arm64-defconfigs-v1-2-cd0694a05f13@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-02-13scripts: merge_config: Add option to suppress warning on overridesMark Brown
Currently merge_config.sh will unconditionally warn if a fragment overrides any already set symbol. This is generally desirable but is inconvenient in cases where we want to create a fragment which disables unwanted options in the base configuration, for example when attempting to produce a smaller version of another configuration. Add an option -Q which will suppress these warnings. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20230203-arm64-defconfigs-v1-1-cd0694a05f13@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-02-09scripts/gdb: fix 'lx-current' for x86Jeff Xie
When printing the name of the current process, it will report an error: (gdb) p $lx_current().comm Python Exception <class 'gdb.error'> No symbol "current_task" in current context.: Error occurred in Python: No symbol "current_task" in current context. Because e57ef2ed97c1 ("x86: Put hot per CPU variables into a struct") changed it. Link: https://lkml.kernel.org/r/20230204090139.1789264-1-xiehuan09@gmail.com Fixes: e57ef2ed97c1 ("x86: Put hot per CPU variables into a struct") Signed-off-by: Jeff Xie <xiehuan09@gmail.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
net/devlink/leftover.c / net/core/devlink.c: 565b4824c39f ("devlink: change port event netdev notifier from per-net to global") f05bd8ebeb69 ("devlink: move code to a dedicated directory") 687125b5799c ("devlink: split out core code") https://lore.kernel.org/all/20230208094657.379f2b1a@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-08const_structs.checkpatch.pl: add kobj_typeThomas Weißschuh
Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.") the driver core allows the usage of const struct kobj_type. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20230204-kobj_type-checkpatch-v1-1-9a94b04adbb2@weissschuh.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-06scripts/dtc: Update to upstream version v1.6.1-66-gabbd523bae6eRob Herring
This adds the following commits from upstream: abbd523bae6e pylibfdt: Work-around SWIG limitations with flexible arrays a41509bea3e7 libfdt: Replace deprecated 0-length arrays with proper flexible arrays 2cd89f862cdb dtc: Warning rather than error on possible truncation of cell values Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/all/20230203172430.474431-1-robh@kernel.org/ Signed-off-by: Rob Herring <robh@kernel.org>
2023-02-06Merge 6.2-rc7 into char-misc-nextGreg Kroah-Hartman
We need the char-misc driver fixes in here as other patches depend on them. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-05setlocalversion: clean up the construction of version outputMasahiro Yamada
Concatenate all components in the last line instead of accumulating them into the 'res' variable. No functional change is intended. A preparation for the next change. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2023-02-05kbuild: do not automatically add -w option to modpostMasahiro Yamada
When there is a missing input file (vmlinux.o or Module.symvers), you are likely to get a ton of unresolved symbols. Currently, Kbuild automatically adds the -w option to allow module builds to continue with warnings instead of errors. This may not be what the user expects because it is generally more useful to catch all possible issues at build time instead of at run time. Let's not do what the user did not ask. If you still want to build modules anyway, you can proceed by explicitly setting KBUILD_MODPOST_WARN=1. Since you may miss a real issue, you need to be aware of what you are doing. Suggested-by: William McVicker <willmcvicker@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Will McVicker <willmcvicker@google.com>
2023-02-05kbuild: deb-pkg: add --source-option=-sPMasahiro Yamada
If the source package fails to build, ../linux.orig is left over. In the next run of 'make deb-pkg', you will get the following error: dpkg-source: error: orig directory 'linux.orig' already exists, not overwriting, giving up; use -sA, -sK or -sP to override You can manually remove ../linux.orig, but it is annoying. Pass -sP down to dpkg-source. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2023-02-05setlocalversion: absorb $(KERNELVERSION)Masahiro Yamada
Print $(KERNELVERSION) in setlocalversion so that the callers get simpler. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2023-02-05setlocalversion: make indentation shallowerMasahiro Yamada
Return earlier if we are not in the correct git repository. This makes the code more readable. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2023-02-05setlocalversion: simplify the construction of the short versionMasahiro Yamada
With the --short option given, scm_version() prints "+". Just append it. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2023-02-04Merge tag 'kbuild-fixes-v6.2-4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix two bugs (for building and for signing) when MODULE_SIG_KEY contains a PKCS#11 URI * tag 'kbuild-fixes-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: modinst: Fix build error when CONFIG_MODULE_SIG_KEY is a PKCS#11 URI certs: Fix build error when PKCS#11 URI contains semicolon
2023-02-02scripts/tags.sh: fix the Kconfig tags generation when using latest ctagsKevin Hao
The Kconfig language has already been built-in in the latest ctags, so it would error exit if we try to define it as an user-defined language via '--langdef=kconfig'. This results that there is no Kconfig tags in the final tag file. Fix this by skipping the user Kconfig definition for the latest ctags. Link: https://lkml.kernel.org/r/20230128064916.912744-1-haokexin@gmail.com Signed-off-by: Kevin Hao <haokexin@gmail.com> Reviewed-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Cc: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com> Cc: Vipin Sharma <vipinsh@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02scripts/spelling.txt: add "exsits" pattern and fix typo instancesLuca Ceresoli
Fix typos and add the following to the scripts/spelling.txt: exsits||exists Link: https://lkml.kernel.org/r/20230126152205.959277-1-luca.ceresoli@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02checkpatch: improve EMBEDDED_FILENAME testJoe Perches
Privately, Heinz Mauelshagen showed that the embedded filename test is not specific enough. > WARNING: It's generally not useful to have the filename in the file > #113: FILE: errors.c:113: > + block < registered_errors.blocks + registered_errors.count; Extend the test to use the appropriate word boundary tests. Link: https://lkml.kernel.org/r/36069dac5d07509dab1c7f1238f8cbb08db80ac6.camel@perches.com Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02scripts/spelling.txt: add more spelling correctionsDiederik de Haas
Current Debian lintian tool flagged several (more) spelling errors, so add them so they can hopefully be prevented in the future. Link: https://lkml.kernel.org/r/20230122173256.52280-1-didi.debian@cknow.org Signed-off-by: Diederik de Haas <didi.debian@cknow.org> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Ian Rogers <irogers@google.com> Cc: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02checkpatch: use proper way for show problematic lineThorsten Leemhuis
Instead of using an unnecessarily complicated approach to print a line that is warned about, use `$herecurr` instead, just like everywhere else in checkpatch. While at it, remove a superfluous space in one of the changed lines, too. In a unmodified line also remove a superfluous check for a space before a signed-off-by tag, to me consistent with the check at the start of the section. All three problems were found by Joe Perches during review of new code inspired by the code modified here. Link: https://lkml.kernel.org/r/a6d455c5196219b2095c2ac3645498052845f32e.1674217480.git.linux@leemhuis.info Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info> Cc: Andy Whitcroft <apw@canonical.com> Cc: Dwaipayan Ray <dwaipayanray1@gmail.com> Cc: Joe Perches <joe@perches.com> Cc: Kai Wasserbäch <kai@dev.carbon-project.org> Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02checkpatch: warn when Reported-by: is not followed by Link:Kai Wasserbäch
Encourage patch authors to link to reports by issuing a warning, if a Reported-by: is not accompanied by a link to the report. Those links are often extremely useful for any code archaeologist that wants to know more about the backstory of a change than the commit message provides. That includes maintainers higher up in the patch-flow hierarchy, which is why Linus asks developers to add such links [1, 2, 3]. To quote [1]: > Again, the commit has a link to the patch *submission*, which is > almost entirely useless. There's no link to the actual problem the > patch fixes. > > [...] > > Put another way: I can see that > > Reported-by: Zhangfei Gao <zhangfei.gao@foxmail.com> > > in the commit, but I don't have a clue what the actual report was, and > there really isn't enough information in the commit itself, except for > a fairly handwavy "Device drivers might, for instance, still need to > flush operations.." > > I don't want to know what device drivers _might_ do. I would want to > have an actual pointer to what they do and where. Another reason why these links are wanted: the ongoing regression tracking efforts can only scale with them, as they allow the regression tracking bot 'regzbot' to automatically connect tracked reports with patches that are posted or committed to fix tracked regressions. Link: https://lore.kernel.org/all/CAHk-=wjMmSZzMJ3Xnskdg4+GGz=5p5p+GSYyFBTh0f-DgvdBWg@mail.gmail.com/ [1] Link: https://lore.kernel.org/all/CAHk-=wgs38ZrfPvy=nOwVkVzjpM3VFU1zobP37Fwd_h9iAD5JQ@mail.gmail.com/ [2] Link: https://lore.kernel.org/all/CAHk-=wjxzafG-=J8oT30s7upn4RhBs6TX-uVFZ5rME+L5_DoJA@mail.gmail.com/ [3] Link: https://lkml.kernel.org/r/bb5dfd55ea2026303ab2296f4a6df3da7dd64006.1674217480.git.linux@leemhuis.info Signed-off-by: Kai Wasserbäch <kai@dev.carbon-project.org> Co-developed-by: Thorsten Leemhuis <linux@leemhuis.info> Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info> Cc: Andy Whitcroft <apw@canonical.com> Cc: Dwaipayan Ray <dwaipayanray1@gmail.com> Cc: Joe Perches <joe@perches.com> Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02checkpatch: warn when unknown tags are used for linksKai Wasserbäch
Patch series "checkpatch.pl: warn about discouraged tags and missing Link: tags", v4. The first two changes make checkpatch.pl check for a few mistakes wrt to links to bug reports Linus recently complained about a few times. Avoiding those is also important for my regression tracking efforts a lot, as the automated tracking performed by regzbot relies on the proper usage of the Link: tag. The third patch fixes a few small oddities noticed in existing code during review of the two changes. This patch (of 3): Issue a warning when encountering URLs behind unknown tags, as Linus recently stated ```please stop making up random tags that make no sense. Just use "Link:"```[1]. That statement was triggered by an use of 'BugLink', but that's not the only tag people invented: $ git log -100000 --no-merges --format=email -P \ --grep='^\w+:[ ]*http' | grep -Poh '^\w+:[ ]*http' | \ sort | uniq -c | sort -rn | head -n 20 103958 Link: http 418 BugLink: http 372 Patchwork: http 280 Closes: http 224 Bug: http 123 References: http 84 Bugzilla: http 61 URL: http 42 v1: http 38 Datasheet: http 20 v2: http 9 Ref: http 9 Fixes: http 9 Buglink: http 8 v3: http 8 Reference: http 7 See: http 6 1: http 5 link: http 3 Link:http Some of these non-standard tags make it harder for external tools that rely on use of proper tags. One of those tools is the regression tracking bot 'regzbot', which looks out for "Link:" tags pointing to reports of tracked regressions. The initial idea was to use a disallow list to raise an error when encountering known unwanted tags like BugLink:; during review it was requested to use a list of allowed tags instead[2]. Link: https://lkml.kernel.org/r/cover.1674217480.git.linux@leemhuis.info Link: https://lore.kernel.org/all/CAHk-=wgs38ZrfPvy=nOwVkVzjpM3VFU1zobP37Fwd_h9iAD5JQ@mail.gmail.com/ [1] Link: https://lore.kernel.org/all/15f7df96d49082fb7799dda6e187b33c84f38831.camel@perches.com/ [2] Link: https://lkml.kernel.org/r/3b036087d80b8c0e07a46a1dbaaf4ad0d018f8d5.1674217480.git.linux@leemhuis.info Signed-off-by: Kai Wasserbäch <kai@dev.carbon-project.org> Co-developed-by: Thorsten Leemhuis <linux@leemhuis.info> Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info> Cc: Andy Whitcroft <apw@canonical.com> Cc: Dwaipayan Ray <dwaipayanray1@gmail.com> Cc: Joe Perches <joe@perches.com> Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02scripts/bloat-o-meter: use the reverse flag for sortAlexander Pantyukhin
The sort function has the inbuilt reversal option. We can use it to save some time. Link: https://lkml.kernel.org/r/20230106091319.3824-1-apantykhin@gmail.com Signed-off-by: Alexander Pantyukhin <apantykhin@gmail.com> Cc: Nikolay Borisov <nborisov@suse.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02scripts/gdb: add mm introspection utilsDmitrii Bundin
This command provides a way to traverse the entire page hierarchy by a given virtual address on x86. In addition to qemu's commands info tlb/info mem it provides the complete information about the paging structure for an arbitrary virtual address. It supports 4KB/2MB/1GB and 5 level paging. Here is an example output for 2MB success translation: (gdb) translate-vm address cr3: cr3 binary data 0x1085be003 next entry physical address 0x1085be000 --- bit 3 page level write through False bit 4 page level cache disabled False level 4: entry address 0xffff8881085be7f8 page entry binary data 0x800000010ac83067 next entry physical address 0x10ac83000 --- bit 0 entry present True bit 1 read/write access allowed True bit 2 user access allowed True bit 3 page level write through False bit 4 page level cache disabled False bit 5 entry has been accessed True bit 7 page size False bit 11 restart to ordinary False bit 63 execute disable True level 3: entry address 0xffff88810ac83a48 page entry binary data 0x101af7067 next entry physical address 0x101af7000 --- bit 0 entry present True bit 1 read/write access allowed True bit 2 user access allowed True bit 3 page level write through False bit 4 page level cache disabled False bit 5 entry has been accessed True bit 7 page size False bit 11 restart to ordinary False bit 63 execute disable False level 2: entry address 0xffff888101af7368 page entry binary data 0x80000001634008e7 page size 2MB page physical address 0x163400000 --- bit 0 entry present True bit 1 read/write access allowed True bit 2 user access allowed True bit 3 page level write through False bit 4 page level cache disabled False bit 5 entry has been accessed True bit 7 page size True bit 6 page dirty True bit 8 global translation False bit 11 restart to ordinary True bit 12 pat False bits (59, 62) protection key 0 bit 63 execute disable True [dmitrii.bundin.a@gmail.com: add SPDX line, other tweaks] Link: https://lkml.kernel.org/r/20230113175151.22278-1-dmitrii.bundin.a@gmail.com [akpm@linux-foundation.org: s/physicall/physical/] Link: https://lkml.kernel.org/r/20230102171014.31408-1-dmitrii.bundin.a@gmail.com Signed-off-by: Dmitrii Bundin <dmitrii.bundin.a@gmail.com> Acked by: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jan Kiszka <jan.kiszka@siemens.com> Cc: Kieran Bingham <kbingham@kernel.org> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02scripts/spelling: add a few more typosSeongJae Park
Add a few more typos that found from real patches[1,2] to 'spelling' file. [1] https://lore.kernel.org/linux-mm/4bc4ab74-3ccd-f892-b387-d48451463d3c@huawei.com/ [2] https://lore.kernel.org/damon/20221228174621.34868-1-sj@kernel.org/ Link: https://lkml.kernel.org/r/20230104184017.1724-1-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Drew Fustini <dfustini@baylibre.com> Cc: Joe Perches <joe@perches.com> Cc: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02checkpatch: mark kunmap() and kunmap_atomic() deprecatedIra Weiny
It was suggested by Fabio that kunmap() be marked deprecated in checkpatch.[1] This did not seem necessary until an invalid conversion of kmap_local_page() appeared in mainline.[2][3] The introduction of this bug would have been flagged with kunmap() being marked deprecated. Add kunmap() and kunmap_atomic() to checkpatch to help prevent further confusion. [1] https://lore.kernel.org/all/1884934.6tgchFWduM@suse/ [2] d406d26745ab ("cifs: skip alloc when request has no pages") [3] https://lore.kernel.org/r/20221229-cifs-kmap-v1-1-c70d0e9a53eb@intel.com Link: https://lkml.kernel.org/r/20221229-kmap-checkpatch-v2-1-919fc4d4e3c2@intel.com Signed-off-by: Ira Weiny <ira.weiny@intel.com> Suggested-by: "Fabio M. De Francesco" <fmdefrancesco@gmail.com> Acked-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02scripts/spelling.txt: add `permitted'Ricardo Ribalda
Patch series "spelling: Fix some trivial typos". Seems like permitted has two t's :), Lets add that to spellings to help others. This patch (of 3): Add another common typo. Noticed when I sent a patch with the typo and in kvm and of. [ribalda@chromium.org: fix trivial typo] Link: https://lkml.kernel.org/r/20221220-permited-v1-2-52ea9857fa61@chromium.org Link: https://lkml.kernel.org/r/20221220-permited-v1-1-52ea9857fa61@chromium.org Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Cc: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
net/core/gro.c 7d2c89b32587 ("skb: Do mix page pool and page referenced frags in GRO") b1a78b9b9886 ("net: add support for ipv4 big tcp") https://lore.kernel.org/all/20230203094454.5766f160@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-02Merge branch 'for-linus/hardening' into for-next/hardeningKees Cook
2023-02-02gcc-plugins: drop -std=gnu++11 to fix GCC 13 buildSam James
The latest GCC 13 snapshot (13.0.1 20230129) gives the following: ``` cc1: error: cannot load plugin ./scripts/gcc-plugins/randomize_layout_plugin.so :./scripts/gcc-plugins/randomize_layout_plugin.so: undefined symbol: tree_code_type ``` This ends up being because of https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=b0241ce6e37031 upstream in GCC which changes the visibility of some types used by the kernel's plugin infrastructure like tree_code_type. After discussion with the GCC folks, we found that the kernel needs to be building plugins with the same flags used to build GCC - and GCC defaults to gnu++17 right now. The minimum GCC version needed to build the kernel is GCC 5.1 and GCC 5.1 already defaults to gnu++14 anyway, so just drop the flag, as all GCCs that could be used to build GCC already default to an acceptable version which was >= the version we forced via flags until now. Bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108634 Signed-off-by: Sam James <sam@gentoo.org> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20230201230009.2252783-1-sam@gentoo.org
2023-01-31scripts: kernel-doc: Remove workaround for @param... syntaxJonathan Neuschäfer
Commit 43756e347f21 ("scripts/kernel-doc: Add support for named variable macro arguments") improved how named variable macro arguments are handled, and changed how they are documented in kerneldoc comments from "@param...", to "@param", deprecating the old syntax. All users of the old syntax have since been converted, so this commit finally removes support for it. The output of "make htmldocs" is the same with and without this commit. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Link: https://lore.kernel.org/r/20230129150435.1510400-1-j.neuschaefer@gmx.net Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-01-31kbuild: modinst: Fix build error when CONFIG_MODULE_SIG_KEY is a PKCS#11 URIJan Luebbe
When CONFIG_MODULE_SIG_KEY is PKCS#11 URI (pkcs11:*), signing of modules fails: scripts/sign-file sha256 /.../linux/pkcs11:token=foo;object=bar;pin-value=1111 certs/signing_key.x509 /.../kernel/crypto/tcrypt.ko Usage: scripts/sign-file [-dp] <hash algo> <key> <x509> <module> [<dest>] scripts/sign-file -s <raw sig> <hash algo> <x509> <module> [<dest>] First, we need to avoid adding the $(srctree)/ prefix to the URL. Second, since the kconfig string values no longer include quotes, we need to add them again when passing a PKCS#11 URI to sign-file. This avoids splitting by the shell if the URI contains semicolons. Fixes: 4db9c2e3d055 ("kbuild: stop using config_filename in scripts/Makefile.modsign") Fixes: 129ab0d2d9f3 ("kbuild: do not quote string values in include/config/auto.conf") Signed-off-by: Jan Luebbe <jlu@pengutronix.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2023-01-30kbuild: do not put .scmversion into the source tarballMasahiro Yamada
.scmversion is used by (src)rpm-pkg and deb-pkg to carry KERNELRELEASE. In fact, deb-pkg does not rely on it any more because the generated debian/rules specifies KERNELRELEASE from the command line. Do likwise for (src)rpm-pkg, and remove this feature. For the same reason, you do not need to save LOCALVERSION in the spec file. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2023-01-28Fix up more non-executable files marked executableLinus Torvalds
Joe found another DT file that shouldn't be executable, and that frustrated me enough that I went hunting with this script: git ls-files -s | grep '^100755' | cut -f2 | xargs grep -L '^#!' and that found another file that shouldn't have been marked executable either, despite being in the scripts directory. Maybe these two are the last ones at least for now. But I'm sure we'll be back in a few years, fixing things up again. Fixes: 8c6789f4e2d4 ("ASoC: dt-bindings: Add Everest ES8326 audio CODEC") Fixes: 4d8e5cd233db ("locking/atomics: Fix scripts/atomic/ script permissions") Reported-by: Joe Perches <joe@perches.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-01-28Merge tag 'for-netdev' of ↵Jakub Kicinski
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next Daniel Borkmann says: ==================== bpf-next 2023-01-28 We've added 124 non-merge commits during the last 22 day(s) which contain a total of 124 files changed, 6386 insertions(+), 1827 deletions(-). The main changes are: 1) Implement XDP hints via kfuncs with initial support for RX hash and timestamp metadata kfuncs, from Stanislav Fomichev and Toke Høiland-Jørgensen. Measurements on overhead: https://lore.kernel.org/bpf/875yellcx6.fsf@toke.dk 2) Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case, from Andrii Nakryiko. 3) Significantly reduce the search time for module symbols by livepatch and BPF, from Jiri Olsa and Zhen Lei. 4) Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals, from David Vernet. 5) Fix several issues in the dynptr processing such as stack slot liveness propagation, missing checks for PTR_TO_STACK variable offset, etc, from Kumar Kartikeya Dwivedi. 6) Various performance improvements, fixes, and introduction of more than just one XDP program to XSK selftests, from Magnus Karlsson. 7) Big batch to BPF samples to reduce deprecated functionality, from Daniel T. Lee. 8) Enable struct_ops programs to be sleepable in verifier, from David Vernet. 9) Reduce pr_warn() noise on BTF mismatches when they are expected under the CONFIG_MODULE_ALLOW_BTF_MISMATCH config anyway, from Connor O'Brien. 10) Describe modulo and division by zero behavior of the BPF runtime in BPF's instruction specification document, from Dave Thaler. 11) Several improvements to libbpf API documentation in libbpf.h, from Grant Seltzer. 12) Improve resolve_btfids header dependencies related to subcmd and add proper support for HOSTCC, from Ian Rogers. 13) Add ipip6 and ip6ip decapsulation support for bpf_skb_adjust_room() helper along with BPF selftests, from Ziyang Xuan. 14) Simplify the parsing logic of structure parameters for BPF trampoline in the x86-64 JIT compiler, from Pu Lehui. 15) Get BTF working for kernels with CONFIG_RUST enabled by excluding Rust compilation units with pahole, from Martin Rodriguez Reboredo. 16) Get bpf_setsockopt() working for kTLS on top of TCP sockets, from Kui-Feng Lee. 17) Disable stack protection for BPF objects in bpftool given BPF backends don't support it, from Holger Hoffstätte. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (124 commits) selftest/bpf: Make crashes more debuggable in test_progs libbpf: Add documentation to map pinning API functions libbpf: Fix malformed documentation formatting selftests/bpf: Properly enable hwtstamp in xdp_hw_metadata selftests/bpf: Calls bpf_setsockopt() on a ktls enabled socket. bpf: Check the protocol of a sock to agree the calls to bpf_setsockopt(). bpf/selftests: Verify struct_ops prog sleepable behavior bpf: Pass const struct bpf_prog * to .check_member libbpf: Support sleepable struct_ops.s section bpf: Allow BPF_PROG_TYPE_STRUCT_OPS programs to be sleepable selftests/bpf: Fix vmtest static compilation error tools/resolve_btfids: Alter how HOSTCC is forced tools/resolve_btfids: Install subcmd headers bpf/docs: Document the nocast aliasing behavior of ___init bpf/docs: Document how nested trusted fields may be defined bpf/docs: Document cpumask kfuncs in a new file selftests/bpf: Add selftest suite for cpumask kfuncs selftests/bpf: Add nested trust selftests suite bpf: Enable cpumasks to be queried and used as kptrs bpf: Disallow NULLable pointers for trusted kfuncs ... ==================== Link: https://lore.kernel.org/r/20230128004827.21371-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-27Merge tag 'hardening-v6.2-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardening fixes from Kees Cook: - Split slow memcpy tests into MEMCPY_SLOW_KUNIT_TEST - Reorganize gcc-plugin includes for GCC 13 - Silence bcache memcpy run-time false positive warnings * tag 'hardening-v6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: bcache: Silence memcpy() run-time false positive warnings gcc-plugins: Reorganize gimple includes for GCC 13 kunit: memcpy: Split slow memcpy tests into MEMCPY_SLOW_KUNIT_TEST
2023-01-26builddeb: clean generated package contentBastian Germann
For each binary Debian package, a directory with the package name is created in the debian directory. Correct the generated file matches in the package's clean target, which were renamed without adjusting the target. Fixes: 1694e94e4f46 ("builddeb: match temporary directory name to the package name") Signed-off-by: Bastian Germann <bage@linutronix.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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