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* Move jiffies converters out of kernel/sysctl.c Moved the jiffies converters into kernel/time/jiffies.c and replaced the pipe-max-size proc_handler converter with a macro based version. This is all part of the effort to relocate non-sysctl logic out of kernel/sysctl.c into more relevant subsystems. No functional changes. * Generalize proc handler converter creation Removed duplicated sysctl converter logic by consolidating it in macros. These are used inside sysctl core as well as in pipe.c and jiffies.c. Converter kernel and user space pointer args are now automatically const qualified for the convenience of the caller. No functional changes. * Miscellaneous Fixed kernel-doc format warnings, removed unnecessary __user qualifiers, and moved the nmi_watchdog sysctl into .rodata. * Testing This series was run through sysctl selftests/kunit test suite in x86_64. It went into linux-next after rc2, giving it a good 4/5 weeks of testing. -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEErkcJVyXmMSXOyyeQupfNUreWQU8FAmktuJMACgkQupfNUreW QU9l8Qv+Noh/wLTqBEmHCrQ8k19YCNlBHO6a10Q5bFiAiGdTAMCZ7oFzoAwAjv5y pLtzS75G89zP0O6wgkxTsmoDNi4MRJenOCyjyEDFYvrK+qSTm0CWs0sZCsHqX4Dg 7M+7PVK/EbMO5509J2ae6cYS9pjfwg3EBQZ978b/FATkuhRjxOIJhIv3ZoaFjme4 0q/xqHw+oms5CUL035BfqtkoskIiRT19DAvM/DEjc2ByaHCTGURv00XLvSDHaRer O0Z8nXaxOOCscLunZbC3UL+hC7tB0nPE+XSzm9ylBEM7bTxeZmtvx2G6ru0+873U Sp+BwpFhe0RmzBFlclkd7UPtvGlFAY2QgAfpSaiLsodkoX0mctquTgpy99LhxKej EEyjl9tPVrYoH4MG562bZPGrQHtV4vnR9DXYx56vYtY2Fyr1GZmWawQoMZsHe9AU cVw5HrfeKeHBhk9hi3ZvT9z96ns3YBmIHnYNDeMy+mF/i+cVu///GwgGuFqUqKag 3eWcTaPh =DXVD -----END PGP SIGNATURE----- Merge tag 'sysctl-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl Pull sysctl updates from Joel Granados: - Move jiffies converters out of kernel/sysctl.c Move the jiffies converters into kernel/time/jiffies.c and replace the pipe-max-size proc_handler converter with a macro based version. This is all part of the effort to relocate non-sysctl logic out of kernel/sysctl.c into more relevant subsystems. No functional changes. - Generalize proc handler converter creation Remove duplicated sysctl converter logic by consolidating it in macros. These are used inside sysctl core as well as in pipe.c and jiffies.c. Converter kernel and user space pointer args are now automatically const qualified for the convenience of the caller. No functional changes. - Miscellaneous Fix kernel-doc format warnings, remove unnecessary __user qualifiers, and move the nmi_watchdog sysctl into .rodata. - Testing This series was run through sysctl selftests/kunit test suite in x86_64. It went into linux-next after rc2, giving it a good 4/5 weeks of testing. * tag 'sysctl-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl: (21 commits) sysctl: Wrap do_proc_douintvec with the public function proc_douintvec_conv sysctl: Create pipe-max-size converter using sysctl UINT macros sysctl: Move proc_doulongvec_ms_jiffies_minmax to kernel/time/jiffies.c sysctl: Move jiffies converters to kernel/time/jiffies.c sysctl: Move UINT converter macros to sysctl header sysctl: Move INT converter macros to sysctl header sysctl: Allow custom converters from outside sysctl sysctl: remove __user qualifier from stack_erasing_sysctl buffer argument sysctl: Create macro for user-to-kernel uint converter sysctl: Add optional range checking to SYSCTL_UINT_CONV_CUSTOM sysctl: Create unsigned int converter using new macro sysctl: Add optional range checking to SYSCTL_INT_CONV_CUSTOM sysctl: Create integer converters with one macro sysctl: Create converter functions with two new macros sysctl: Discriminate between kernel and user converter params sysctl: Indicate the direction of operation with macro names sysctl: Remove superfluous __do_proc_* indirection sysctl: Remove superfluous tbl_data param from "dovec" functions sysctl: Replace void pointer with const pointer to ctl_table sysctl: fix kernel-doc format warning ... |
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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 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 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