x86/setup: Warn when option parsing is done too early

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  4faa0e5d6d ("x86/boot: Move kernel cmdline setup earlier in the boot process (again)")

fixed and issue where cmdline parsing would happen before the final
boot_command_line string has been built from the builtin and boot
cmdlines and thus cmdline arguments would get lost.

Add a check to catch any future wrong use ordering so that such issues
can be caught in time.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240409152541.GCZhVd9XIPXyTNd9vc@fat_crate.local

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This commit is contained in:

Borislav Petkov (AMD) 2024-04-08 19:46:03 +02:00

parent 52cccc64cf

commit 0c40b1c7a8

3 changed files with 18 additions and 0 deletions

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8

arch/x86/include/asm/setup.h

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2

arch/x86/kernel/setup.c

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8

arch/x86/lib/cmdline.c

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