Pull x86 boot updates from Borislav Petkov:
- Add a check to warn when cmdline parsing happens before the final
cmdline string has been built and thus arguments can get lost
- Code cleanups and simplifications
* tag 'x86_boot_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/setup: Warn when option parsing is done too early
x86/boot: Clean up the arch/x86/boot/main.c code a bit
x86/boot: Use current_stack_pointer to avoid asm() in init_heap()