There were series of patches [1] for 4.3.0-rc3, that allowed architectures to use a generic builtin command line. I have rebased these patches on kernel 4.19.0-rc4. Things, modified in comparison with original patches: * There was some bug for mips, in the case when CONFIG_CMDLINE_PREPEND and CONFIG_CMDLINE_APPEND are empty and CMDLINE_OVERRIDE is not set, command line from bootloader was ignored, so I fixed it, modifying patch "add generic builtin command line". * Implemented new patch to resolve conflict with new kernel, which modify EFI stub code. Unfortunately, I don't have capability to test this modification on real arm board with EFI. * Removed new realisation of mips builtin command line, which was created after 4.3.0-rc3. * Kernel 4.3.0-rc3 with original patches could not be compiled for powerpc due to prom_init.c checking by prom_init_check.sh. So I added strlcat (which is used by cmdline_add_builtin macro) to prom_init_check.sh whitelist. Patches have been tested in QEMU for x86, arm (little-endian), arm64 (little-endian), mips (little-endian, 32-bit) and powerpc (big-endian, 64-bit), everything works perfectly. Also it was tested on linux-next (next-20180924 tag) for all listed above architectures. [1] : https://lore.kernel.org/patchwork/patch/604992/ Daniel Walker (7): add generic builtin command line drivers: of: ifdef out cmdline section x86: convert to generic builtin command line arm: convert to generic builtin command line arm64: convert to generic builtin command line mips: convert to generic builtin command line powerpc: convert to generic builtin command line Maksym Kokhan (1): efi: modify EFI stub code for arm/arm64 arch/arm/Kconfig | 38 +----------------- arch/arm/kernel/atags_parse.c | 14 ++----- arch/arm/kernel/devtree.c | 2 + arch/arm64/Kconfig | 17 +------- arch/arm64/kernel/setup.c | 3 ++ arch/mips/Kconfig | 24 +---------- arch/mips/Kconfig.debug | 47 ---------------------- arch/mips/kernel/setup.c | 41 ++----------------- arch/powerpc/Kconfig | 23 +---------- arch/powerpc/kernel/prom.c | 4 ++ arch/powerpc/kernel/prom_init.c | 8 ++-- arch/powerpc/kernel/prom_init_check.sh | 2 +- arch/x86/Kconfig | 44 +-------------------- arch/x86/kernel/setup.c | 19 ++------- drivers/firmware/efi/libstub/arm-stub.c | 10 ++--- drivers/of/fdt.c | 2 +- include/linux/cmdline.h | 70 +++++++++++++++++++++++++++++++++ init/Kconfig | 68 ++++++++++++++++++++++++++++++++ 18 files changed, 173 insertions(+), 263 deletions(-) create mode 100644 include/linux/cmdline.h -- 2.7.4
