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Linux kernel source tree
4a9ee4fc79
- Add the pKVM side of the workaround for ARM's erratum 4193714, provided that the EL3 firmware does its part of the job. KVM will refuse to initialise otherwise. - Correctly handle 52bit VAs for guest EL2 stage-1 translations when running under NV with E2H==0. - Correctly deal with permission faults in guest_memfd memslots. - Fix the steal-time selftest after the infrastructure was reworked. - Make sure the host cannot pass a non-sensical clock update to the EL2 tracing infrastructure. - Appoint Steffen Eiden as a reviewer in anticipation of the KVM/s390 ability to run arm64 guests, which will inevitably lead to arm64 code being directly used on s390. - Make sure that EL2 is configured with both exception entry and exit being Context Synchronization Events. - Handle the current vcpu being NULL on EL2 panic. - Fix the selftest_vcpu memcache being empty at the point of donation or sharing. - Check that the memcache has enough capacity before engaging on the share/donate path. - Fix __deactivate_fgt() to use its parameter rather than a variable in the macro context. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAmn8sE0ACgkQI9DQutE9 ekOtxw/+Je7H1k+JyRfu8MNG3cFa8by+sQa3C1IAQfqdXaMV7nJZItFdd1eUvBW5 f3eyoi28j9zS+jr7uuvg6R9GjTQqkoWEVdPLWUgg9eeBatFAh2IroPf1a4md18d9 oJcR4fJrDfYYYkoppdIc6TG+t9R+y47ebE3RlBLXxiSlElHjKYt+hv2mrBs0v583 pW1Vm3BhfbmHExYPidCNkpGXdamzBZxbEx5hzzW/B3VQllxwlvG/B60BQOGxC1qt 1irGFSGmUJMOptHB2XZkWyXysMwwTPJrAiZ2e2oU3DiwTaPS+JOHa8G7oZy8CkEP h6dAWlW45bLWyxWoWxXkGdcRwvuIW1Vdd6SIiJN8SHoqSOoNIQdw4n0x8CghWHu7 FHKSBD8C4iX0Oa2WXlhUNqvM51cHNb72JAGp5UAOE3ffYRTap6/AcMV9WdCEdTCQ LKlqxj9JPgmf8CxZitWvwdGCgGCHr9hGTsIa71N1lql1Imw4vxNbCA8xt1AXqakp 0JpXdRLif6NgJ2dPd99W8aR3cbWxCu/sj23U3xug7cfr6Py8dRVydijmSWZeRonY XuzYJONQlHPmkbaEN4YTwtp5/stWn6+QghVKYt5X19+Nx8rr1gyRCEL38HmR38m0 Sc5QoymiLjW8IR/+9sjF7JbKFP510gMCQibRraDb62k9qbVsDmY= =7AW5 -----END PGP SIGNATURE----- Merge tag 'kvmarm-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 fixes for 7.1, take #2 - Add the pKVM side of the workaround for ARM's erratum 4193714, provided that the EL3 firmware does its part of the job. KVM will refuse to initialise otherwise. - Correctly handle 52bit VAs for guest EL2 stage-1 translations when running under NV with E2H==0. - Correctly deal with permission faults in guest_memfd memslots. - Fix the steal-time selftest after the infrastructure was reworked. - Make sure the host cannot pass a non-sensical clock update to the EL2 tracing infrastructure. - Appoint Steffen Eiden as a reviewer in anticipation of the KVM/s390 ability to run arm64 guests, which will inevitably lead to arm64 code being directly used on s390. - Make sure that EL2 is configured with both exception entry and exit being Context Synchronization Events. - Handle the current vcpu being NULL on EL2 panic. - Fix the selftest_vcpu memcache being empty at the point of donation or sharing. - Check that the memcache has enough capacity before engaging on the share/donate path. - Fix __deactivate_fgt() to use its parameter rather than a variable in the macro context. |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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