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5f5ef9c407
- bootconfig: Support build-time command line rendering for embedded bootconfig
. bootconfig: render descendant keys when xbc_snprint_cmdline() root has a
value. Fix xbc_snprint_cmdline() to render descendant keys when the root
has both a value and subkeys, and treats empty subtrees correctly.
. bootconfig: render embedded bootconfig as a kernel cmdline at build time.
Add build-time pipeline using tools/bootconfig -C to render the embedded
bootconfig "kernel" subtree into .init.rodata as a cmdline string.
. bootconfig: clean build-time tools/bootconfig from make clean.
. bootconfig: add xbc_prepend_embedded_cmdline() helper.
Add helper to prepend embedded bootconfig cmdline into boot_command_line
early before parse_early_param().
. x86/setup: prepend embedded bootconfig cmdline before parse_early_param.
Wire early prepend helper in x86 setup_arch() so early_param handlers see
values from the embedded bootconfig. (So this feature is currently x86 only)
. bootconfig: skip runtime kernel.* render once prepended early.
Avoid duplicating "kernel" keys in setup_boot_config().
. init/main.c: use bootconfig_cmdline_requested() for the runtime opt-in.
Refactor setup_boot_config() to share bootconfig_cmdline_requested().
. Documentation: bootconfig: document build-time cmdline rendering.
Document CONFIG_CMDLINE_FROM_BOOTCONFIG usage, requirements, and precedence.
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Merge tag 'bootconfig-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull bootconfig updates from Masami Hiramatsu:
- Support build-time command line building for embedded bootconfig
- Fix xbc_snprint_cmdline() to render descendant keys when the root has
both a value and subkeys, and treats empty subtrees correctly.
- Add build-time pipeline using tools/bootconfig -C to render the
embedded bootconfig "kernel" subtree into .init.rodata as a cmdline
string.
- Clean build-time tools/bootconfig from make clean
- Add helper to prepend embedded bootconfig cmdline into
boot_command_line early before parse_early_param()
- Wire early prepend helper in x86 setup_arch() so early_param handlers
see values from the embedded bootconfig (currently x86 only)
- Avoid duplicating "kernel" keys in setup_boot_config()
- Refactor setup_boot_config() to share bootconfig_cmdline_requested()
- Document CONFIG_CMDLINE_FROM_BOOTCONFIG usage, requirements, and
precedence
* tag 'bootconfig-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
init/main.c: use bootconfig_cmdline_requested() for the runtime opt-in
bootconfig: skip runtime kernel.* render once prepended early
x86/setup: prepend embedded bootconfig cmdline before parse_early_param
Documentation: bootconfig: document build-time cmdline rendering
bootconfig: add xbc_prepend_embedded_cmdline() helper
bootconfig: clean build-time tools/bootconfig from make clean
bootconfig: render embedded bootconfig as a kernel cmdline at build time
bootconfig: render descendant keys when xbc_snprint_cmdline() root has a value
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| .gitignore | ||
| main.c | ||
| Makefile | ||
| test-bootconfig.sh | ||