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Linux kernel source tree
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- Fix a fault caused when the RISC-V Zbb-enabled strlen() is executed on a string that ends right before a page boundary, when the next page is unmapped - Fix a race with the misaligned vector performance testing code that can prevent the outcome of the test from being stored into the vDSO cache - Fix a kernel warning generated by the ftrace code when ftrace_modify_call_code() runs against a ftrace-traced function where a kprobe has already been attached. This shows up in the bpf kselftests -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEElRDoIDdEz9/svf2Kx4+xDQu9KksFAmp+hQMACgkQx4+xDQu9 KktD/hAAgVmzmzpnDwAEpENS57aWo9oNp8uihbM9Dlsi/MVzKKrT0AEsJbjifAQQ IBOIca4z+/R4TBxDif/npui/Z3JRsGzCR2iePbjmg1g78j79P3KTEihF2AN+pVnP Syx5lj6ilOMd9vvI7Akigceh+ZxNQ/OMPrfDFQtWHqyiJgy4Iskr9sM2elTsUx65 rEyYzqlHneq8L4GgeAWzzq4jbaWpEanlsGHKQ8WXC3UFdtZI70pFCrRSQ8qHx59k ZkDW280CaAUX52cqUc7W8EBgIXHG0vgfzyJ66NIumKo7eTlU0OXzLz4x41S05hep OEueIcyLMfMus7nfUZD6AeWrp4xJE0UW7aBD0COV9w1+uPJptahla8vH/NPcFLee uMuAP7S3B9Q/h3LlHUIQKIPa4jT1di2piuQZMScJokzjaEV2/xi7pt0N0kG8pHbu t1pc56KswXZzqqqHPHt9lS2NZimCnWw3ZS4mu8WJ/r/qMm7iLt2lSAySGfoCsdXi Eo3Fg2+HQr53ttm9SRUlKv6/iA3VIW60ZCz/n3eTcym7roz6HWqUqiZNmI/m6TW2 M33gGnvxm78+DxXbt5GNbHpbZQOxHM6xEZrmMwiWc4jXqh7IiD03ITMk8dq2ojNi oLm1qrv3Cv8MCXi2i/Hr+8qs+oVYm/Z6Jl7M9BsHEB1WuSPBrtw= =KAg1 -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-v7.2-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Paul Walmsley: - Fix a fault caused when the RISC-V Zbb-enabled strlen() is executed on a string that ends right before a page boundary, when the next page is unmapped - Fix a race with the misaligned vector performance testing code that can prevent the outcome of the test from being stored into the vDSO cache - Fix a kernel warning generated by the ftrace code when ftrace_modify_call_code() runs against a ftrace-traced function where a kprobe has already been attached. This shows up in the bpf kselftests * tag 'riscv-for-linus-v7.2-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: lib: Fix ZBB strnlen reading past count boundary riscv: hwprobe: Register unaligned probes before usermode riscv: ftrace: Fix ftrace_modify_call failure on kprobed functions |
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Linux kernel ============ The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the fundamental services for all other software. Quick Start ----------- * Report a bug: See Documentation/admin-guide/reporting-issues.rst * Get the latest kernel: https://kernel.org * Build the kernel: See Documentation/admin-guide/quickly-build-trimmed-linux.rst * Join the community: https://lore.kernel.org/ Essential Documentation ----------------------- All users should be familiar with: * Building requirements: Documentation/process/changes.rst * Code of Conduct: Documentation/process/code-of-conduct.rst * License: See COPYING Documentation can be built with make htmldocs or viewed online at: https://www.kernel.org/doc/html/latest/ Who Are You? ============ Find your role below: * New Kernel Developer - Getting started with kernel development * Academic Researcher - Studying kernel internals and architecture * Security Expert - Hardening and vulnerability analysis * Backport/Maintenance Engineer - Maintaining stable kernels * System Administrator - Configuring and troubleshooting * Maintainer - Leading subsystems and reviewing patches * Hardware Vendor - Writing drivers for new hardware * Distribution Maintainer - Packaging kernels for distros * AI Coding Assistant - LLMs and AI-powered development tools For Specific Users ================== New Kernel Developer -------------------- Welcome! Start your kernel development journey here: * Getting Started: Documentation/process/development-process.rst * Your First Patch: Documentation/process/submitting-patches.rst * Coding Style: Documentation/process/coding-style.rst * Build System: Documentation/kbuild/index.rst * Development Tools: Documentation/dev-tools/index.rst * Kernel Hacking Guide: Documentation/kernel-hacking/hacking.rst * Core APIs: Documentation/core-api/index.rst Academic Researcher ------------------- Explore the kernel's architecture and internals: * Researcher Guidelines: Documentation/process/researcher-guidelines.rst * Memory Management: Documentation/mm/index.rst * Scheduler: Documentation/scheduler/index.rst * Networking Stack: Documentation/networking/index.rst * Filesystems: Documentation/filesystems/index.rst * RCU (Read-Copy Update): Documentation/RCU/index.rst * Locking Primitives: Documentation/locking/index.rst * Power Management: Documentation/power/index.rst Security Expert --------------- Security documentation and hardening guides: * Security Documentation: Documentation/security/index.rst * LSM Development: Documentation/security/lsm-development.rst * Self Protection: Documentation/security/self-protection.rst * Reporting Vulnerabilities: Documentation/process/security-bugs.rst * CVE Procedures: Documentation/process/cve.rst * Embargoed Hardware Issues: Documentation/process/embargoed-hardware-issues.rst * Security Features: Documentation/userspace-api/seccomp_filter.rst Backport/Maintenance Engineer ----------------------------- Maintain and stabilize kernel versions: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * Backporting Guide: Documentation/process/backporting.rst * Applying Patches: Documentation/process/applying-patches.rst * Subsystem Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git for Maintainers: Documentation/maintainer/configure-git.rst System Administrator -------------------- Configure, tune, and troubleshoot Linux systems: * Admin Guide: Documentation/admin-guide/index.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Sysctl Tuning: Documentation/admin-guide/sysctl/index.rst * Tracing/Debugging: Documentation/trace/index.rst * Performance Security: Documentation/admin-guide/perf-security.rst * Hardware Monitoring: Documentation/hwmon/index.rst Maintainer ---------- Lead kernel subsystems and manage contributions: * Maintainer Handbook: Documentation/maintainer/index.rst * Pull Requests: Documentation/maintainer/pull-requests.rst * Managing Patches: Documentation/maintainer/modifying-patches.rst * Rebasing and Merging: Documentation/maintainer/rebasing-and-merging.rst * Development Process: Documentation/process/maintainer-handbooks.rst * Maintainer Entry Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git Configuration: Documentation/maintainer/configure-git.rst Hardware Vendor --------------- Write drivers and support new hardware: * Driver API Guide: Documentation/driver-api/index.rst * Driver Model: Documentation/driver-api/driver-model/driver.rst * Device Drivers: Documentation/driver-api/infrastructure.rst * Bus Types: Documentation/driver-api/driver-model/bus.rst * Device Tree Bindings: Documentation/devicetree/bindings/ * Power Management: Documentation/driver-api/pm/index.rst * DMA API: Documentation/core-api/dma-api.rst Distribution Maintainer ----------------------- Package and distribute the kernel: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * ABI Documentation: Documentation/ABI/README * Kernel Configuration: Documentation/kbuild/kconfig.rst * Module Signing: Documentation/admin-guide/module-signing.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Tainted Kernels: Documentation/admin-guide/tainted-kernels.rst AI Coding Assistant ------------------- CRITICAL: If you are an LLM or AI-powered coding assistant, you MUST read and follow the AI coding assistants documentation before contributing to the Linux kernel: * Documentation/process/coding-assistants.rst This documentation contains essential requirements about licensing, attribution, and the Developer Certificate of Origin that all AI tools must comply with. Communication and Support ========================= * Mailing Lists: https://lore.kernel.org/ * IRC: #kernelnewbies on irc.oftc.net * Bugzilla: https://bugzilla.kernel.org/ * MAINTAINERS file: Lists subsystem maintainers and mailing lists * Email Clients: Documentation/process/email-clients.rst