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Kalle Kietäväinen a2eb78c03b kernel: sched: Fix meta-IRQ preemption tracking for the idle thread
When the PM subsystem is enabled, the idle thread locks the scheduler for
the duration the system is suspended. If a meta-IRQ preempts the idle
thread in this state, the idle thread is tracked in `metairq_preempted`.
However, when returning from the preemption, the idle thread is not removed
from `metairq_preempted`, unlike all the other threads. As a result, the
scheduler keeps running the idle thread even if there are higher priority
threads ready to run.

This change treats the idle thread the same way as all other threads when
returning from a meta-IRQ preemption.

Fixes #64705

Signed-off-by: Kalle Kietäväinen <kalle.kietavainen@silabs.com>
2025-01-27 13:26:20 +01:00
.github ci: twister: rename weekly twister job 2025-01-17 23:08:26 +01:00
arch arch: remove CONFIG_LEGACY_MULTI_LEVEL_TABLE_GENERATION 2025-01-23 16:32:36 +01:00
boards drivers: spi_nxp_lpspi: Add tristate output config 2025-01-27 08:55:13 +01:00
cmake compiler: gcc: Support versions predating include-fixed/limits.h 2025-01-27 13:24:52 +01:00
doc doc: llext: add extension debugging guide 2025-01-27 08:54:44 +01:00
drivers drivers: flash: stm32h7: ensure option bytes write 2025-01-27 13:25:43 +01:00
dts drivers: spi_nxp_lpspi: Add tristate output config 2025-01-27 08:55:13 +01:00
include/zephyr kernel: Fixed init_delay initialization on older GCC versions 2025-01-27 13:24:52 +01:00
kernel kernel: sched: Fix meta-IRQ preemption tracking for the idle thread 2025-01-27 13:26:20 +01:00
lib picolibc: Replace hard coded -fno-lto flag 2025-01-27 13:24:52 +01:00
misc
modules audio: liblc3: Fix global include path issue 2025-01-27 13:26:02 +01:00
samples llext: group LLEXT output files in a subdirectory 2025-01-27 08:54:44 +01:00
scripts scripts: support list of images in build info 2025-01-27 13:24:23 +01:00
share sysbuild: populate build_info with list of images 2025-01-27 13:24:23 +01:00
snippets snippets: wifi-ipv4: Increase max polling sockets 2025-01-03 11:39:13 +01:00
soc soc: nxp: rw: fix stack overflow in BLE samples 2025-01-27 11:03:05 +01:00
submanifests submanifests: optional: Hotfox for rust trying to build on too many targets 2025-01-27 01:17:14 +01:00
subsys Bluetooth: Host: add PSA_WANT_xxx_IMPORT/EXPORT to BT_ECC 2025-01-27 11:07:07 +01:00
tests tests: fat: fat_fs_api reduce the wipe partition sectors 2025-01-27 13:25:31 +01:00
.checkpatch.conf checkpatch: Adapt the braces check to Zephyr 2024-12-30 21:46:47 +01:00
.clang-format clang-format: add more whitespace sensitive macros 2024-12-19 08:39:10 +01:00
.codechecker.yml tests: Add a CodeChecker config file 2024-09-12 10:04:05 +02:00
.codecov.yml
.editorconfig
.gitattributes
.gitignore scripts: ci: check_compliance: Add sysbuild Kconfig checks 2025-01-17 16:35:53 +01:00
.gitlint gitlint: do not allow treewide as an area in commit messages 2024-04-10 09:22:24 +02:00
.mailmap mailmap: remove duplicate emails and normalize mapping entries 2025-01-09 14:14:10 +01:00
.ruff-excludes.toml style: edtlib: Use a better format string 2025-01-10 18:57:39 +01:00
.ruff.toml scripts: Update and lock ruff 2024-12-03 23:30:00 +00:00
.yamllint
CMakeLists.txt cmake: Configure custom linker script Kconfig before usage 2025-01-10 09:50:19 +01:00
CODE_OF_CONDUCT.md
CONTRIBUTING.rst
Kconfig
Kconfig.constants kconfig: Add variables for integer constants 2024-07-27 20:49:15 +03:00
Kconfig.zephyr kconfig: Don't USE_DT_CODE_PARTITION if there isn't one 2025-01-17 13:41:08 +01:00
LICENSE
MAINTAINERS.yml MAINTAINERS: Add OMAP and DAVINCI drivers under TI 2025-01-23 16:34:39 +01:00
README.rst README: drop the stray link underscores between badges 2024-09-26 15:20:39 +01:00
SDK_VERSION SDK_VERSION: Use Zephyr SDK 0.17.0 2024-10-22 19:04:37 -04:00
VERSION release: Zephyr v4.0.99 2024-11-16 13:40:34 +01:00
version.h.in version.h.in: Do not use @template@ 2024-05-24 18:05:41 -04:00
west.yml manifest: update hal_nordic revision to integrate nrfx 3.10.0 2025-01-27 13:25:02 +01:00
zephyr-env.cmd
zephyr-env.sh

.. raw:: html

   <a href="https://www.zephyrproject.org">
     <p align="center">
       <picture>
         <source media="(prefers-color-scheme: dark)" srcset="doc/_static/images/logo-readme-dark.svg">
         <source media="(prefers-color-scheme: light)" srcset="doc/_static/images/logo-readme-light.svg">
         <img src="doc/_static/images/logo-readme-light.svg">
       </picture>
     </p>
   </a>

   <a href="https://bestpractices.coreinfrastructure.org/projects/74"><img src="https://bestpractices.coreinfrastructure.org/projects/74/badge"></a>
   <a href="https://scorecard.dev/viewer/?uri=github.com/zephyrproject-rtos/zephyr"><img src="https://api.securityscorecards.dev/projects/github.com/zephyrproject-rtos/zephyr/badge"></a>
   <a href="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml?query=branch%3Amain"><img src="https://github.com/zephyrproject-rtos/zephyr/actions/workflows/twister.yaml/badge.svg?event=push"></a>


The Zephyr Project is a scalable real-time operating system (RTOS) supporting
multiple hardware architectures, optimized for resource constrained devices,
and built with security in mind.

The Zephyr OS is based on a small-footprint kernel designed for use on
resource-constrained systems: from simple embedded environmental sensors and
LED wearables to sophisticated smart watches and IoT wireless gateways.

The Zephyr kernel supports multiple architectures, including ARM (Cortex-A,
Cortex-R, Cortex-M), Intel x86, ARC, Nios II, Tensilica Xtensa, and RISC-V,
SPARC, MIPS, and a large number of `supported boards`_.

.. below included in doc/introduction/introduction.rst


Getting Started
***************

Welcome to Zephyr! See the `Introduction to Zephyr`_ for a high-level overview,
and the documentation's `Getting Started Guide`_ to start developing.

.. start_include_here

Community Support
*****************

Community support is provided via mailing lists and Discord; see the Resources
below for details.

.. _project-resources:

Resources
*********

Here's a quick summary of resources to help you find your way around:

Getting Started
---------------

  | 📖 `Zephyr Documentation`_
  | 🚀 `Getting Started Guide`_
  | 🙋🏽 `Tips when asking for help`_
  | 💻 `Code samples`_

Code and Development
--------------------

  | 🌐 `Source Code Repository`_
  | 📦 `Releases`_
  | 🤝 `Contribution Guide`_

Community and Support
---------------------

  | 💬 `Discord Server`_ for real-time community discussions
  | 📧 `User mailing list (users@lists.zephyrproject.org)`_
  | 📧 `Developer mailing list (devel@lists.zephyrproject.org)`_
  | 📬 `Other project mailing lists`_
  | 📚 `Project Wiki`_

Issue Tracking and Security
---------------------------

  | 🐛 `GitHub Issues`_
  | 🔒 `Security documentation`_
  | 🛡️ `Security Advisories Repository`_
  | ⚠️ Report security vulnerabilities at vulnerabilities@zephyrproject.org

Additional Resources
--------------------
  | 🌐 `Zephyr Project Website`_
  | 📺 `Zephyr Tech Talks`_

.. _Zephyr Project Website: https://www.zephyrproject.org
.. _Discord Server: https://chat.zephyrproject.org
.. _supported boards: https://docs.zephyrproject.org/latest/boards/index.html
.. _Zephyr Documentation: https://docs.zephyrproject.org
.. _Introduction to Zephyr: https://docs.zephyrproject.org/latest/introduction/index.html
.. _Getting Started Guide: https://docs.zephyrproject.org/latest/develop/getting_started/index.html
.. _Contribution Guide: https://docs.zephyrproject.org/latest/contribute/index.html
.. _Source Code Repository: https://github.com/zephyrproject-rtos/zephyr
.. _GitHub Issues: https://github.com/zephyrproject-rtos/zephyr/issues
.. _Releases: https://github.com/zephyrproject-rtos/zephyr/releases
.. _Project Wiki: https://github.com/zephyrproject-rtos/zephyr/wiki
.. _User mailing list (users@lists.zephyrproject.org): https://lists.zephyrproject.org/g/users
.. _Developer mailing list (devel@lists.zephyrproject.org): https://lists.zephyrproject.org/g/devel
.. _Other project mailing lists: https://lists.zephyrproject.org/g/main/subgroups
.. _Code samples: https://docs.zephyrproject.org/latest/samples/index.html
.. _Security documentation: https://docs.zephyrproject.org/latest/security/index.html
.. _Security Advisories Repository: https://github.com/zephyrproject-rtos/zephyr/security
.. _Tips when asking for help: https://docs.zephyrproject.org/latest/develop/getting_started/index.html#asking-for-help
.. _Zephyr Tech Talks: https://www.zephyrproject.org/tech-talks