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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-23 14:27:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-23 14:27:01 -0800 |
| commit | f2b98d0af217f64b96bc549457018117ba6b7509 (patch) | |
| tree | 3b83f60d6707a810b6f4142e9ba4dd43f4cccd32 /Documentation | |
| parent | fcc77d7c8ef6478844547d50dd3d03270c86116c (diff) | |
| parent | 6c40624930c58529185a257380442547580ed837 (diff) | |
Merge tag 'bootconfig-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull bootconfig updates from Masami Hiramatsu:
- Fix ftrace2bconf.sh tool for checking event enable status correctly
- Add CONFIG_BOOT_CONFIG_FORCE to apply bootconfig without 'bootconfig'
boot parameter
- Enable CONFIG_BOOT_CONFIG_FORCE by default if a bootconfig is
embedded in the kernel
- Increase max number of nodes of bootconfig to 8192
* tag 'bootconfig-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
bootconfig: Increase max nodes of bootconfig from 1024 to 8192 for DCC support
bootconfig: Default BOOT_CONFIG_FORCE to y if BOOT_CONFIG_EMBED
Allow forcing unconditional bootconfig processing
tools/bootconfig: fix single & used for logical condition
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/admin-guide/bootconfig.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/admin-guide/bootconfig.rst b/Documentation/admin-guide/bootconfig.rst index 9355c525fbe0..91339efdcb54 100644 --- a/Documentation/admin-guide/bootconfig.rst +++ b/Documentation/admin-guide/bootconfig.rst @@ -201,6 +201,8 @@ To remove the config from the image, you can use -d option as below:: Then add "bootconfig" on the normal kernel command line to tell the kernel to look for the bootconfig at the end of the initrd file. +Alternatively, build your kernel with the ``CONFIG_BOOT_CONFIG_FORCE`` +Kconfig option selected. Embedding a Boot Config into Kernel ----------------------------------- @@ -217,7 +219,9 @@ path to the bootconfig file from source tree or object tree. The kernel will embed it as the default bootconfig. Just as when attaching the bootconfig to the initrd, you need ``bootconfig`` -option on the kernel command line to enable the embedded bootconfig. +option on the kernel command line to enable the embedded bootconfig, or, +alternatively, build your kernel with the ``CONFIG_BOOT_CONFIG_FORCE`` +Kconfig option selected. Note that even if you set this option, you can override the embedded bootconfig by another bootconfig which attached to the initrd. |