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Marie Zhussupova 4b59300ba4 kunit: Add parent kunit for parameterized test context
Currently, KUnit parameterized tests lack a mechanism to share
resources across parameter runs because the same `struct kunit`
instance is cleaned up and reused for each run.

This patch introduces parameterized test context, enabling test
users to share resources between parameter runs. It also allows
setting up resources that need to be available for all parameter
runs only once, which is helpful in cases where setup is expensive.

To establish a parameterized test context, this patch adds a
parent pointer field to `struct kunit`. This allows resources added
to the parent `struct kunit` to be shared and accessible across all
parameter runs.

In kunit_run_tests(), the default `struct kunit` created is now
designated to act as the parameterized test context whenever a test
is parameterized.

Subsequently, a new `struct kunit` is made for each parameter run, and
its parent pointer is set to the `struct kunit` that holds the
parameterized test context.

Link: https://lore.kernel.org/r/20250826091341.1427123-2-davidgow@google.com
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Rae Moar <rmoar@google.com>
Signed-off-by: Marie Zhussupova <marievic@google.com>
Signed-off-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-08-26 23:36:03 -06:00
arch - Fix an interrupt vector setup race which leads to a non-functioning device 2025-08-10 08:15:32 +03:00
block block-6.17-20250808 2025-08-09 08:47:28 +03:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
Documentation EFI updates for v6.17 2025-08-09 18:10:01 +03:00
drivers - Fix a wrong ioremap size in mvebu-gicp 2025-08-10 08:46:47 +03:00
fs NFS client updates for Linux 6.17 2025-08-09 07:20:44 +03:00
include kunit: Add parent kunit for parameterized test context 2025-08-26 23:36:03 -06:00
init Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
io_uring io_uring/memmap: cast nr_pages to size_t before shifting 2025-08-08 06:35:14 -06:00
ipc vfs-6.17-rc1.mmap_prepare 2025-07-28 13:43:25 -07:00
kernel - Remove an obsolete comment and fix spelling 2025-08-10 08:51:37 +03:00
lib kunit: Add parent kunit for parameterized test context 2025-08-26 23:36:03 -06:00
LICENSES LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2 2025-07-24 11:15:39 +02:00
mm Significant patch series in this pull request: 2025-08-05 16:02:07 +03:00
net NFS client updates for Linux 6.17 2025-08-09 07:20:44 +03:00
rust Rust changes for v6.17 2025-08-03 13:49:10 -07:00
samples Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
scripts Kbuild updates for v6.17 2025-08-06 07:32:52 +03:00
security + Features 2025-08-04 08:17:28 -07:00
sound gpio updates for v6.17-rc1 2025-08-09 08:15:43 +03:00
tools kunit: tool: Accept --raw_output=full as an alias of 'all' 2025-08-26 23:35:41 -06:00
usr usr/include: openrisc: don't HDRTEST bpf_perf_event.h 2025-05-12 15:03:17 +09:00
virt Merge tag 'kvm-x86-no_assignment-6.17' of https://github.com/kvm-x86/linux into HEAD 2025-07-29 08:36:42 -04:00
.clang-format Linux 6.15-rc5 2025-05-06 16:39:25 +10:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore gitignore: allow .pylintrc to be tracked 2025-07-02 17:10:04 -06:00
.mailmap Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
.pylintrc docs: add a .pylintrc file with sys path for docs scripts 2025-04-09 12:10:33 -06:00
.rustfmt.toml
COPYING
CREDITS Kbuild updates for v6.17 2025-08-06 07:32:52 +03:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS spi: Fixes for v6.17 2025-08-09 08:43:24 +03:00
Makefile Linux 6.17-rc1 2025-08-10 19:41:16 +03:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.