[PATCH v3 00/17] Implement GENERIC_CMDLINE

Christophe Leroy christophe.leroy at csgroup.eu
Fri Apr 2 16:20:45 BST 2021



Le 26/03/2021 à 16:04, Rob Herring a écrit :
> On Fri, Mar 26, 2021 at 7:44 AM Christophe Leroy
> <christophe.leroy at csgroup.eu> wrote:
>>
>> The purpose of this series is to improve and enhance the
>> handling of kernel boot arguments.
>>
>> It is first focussed on powerpc but also extends the capability
>> for other arches.
>>
>> This is based on suggestion from Daniel Walker <danielwa at cisco.com>
>>
>> Main changes in V3:
>> - Also accept destination equal to source in cmdline_build() by setting a tmp buffer in __initdata. Powerpc provides different source and destination and call __cmdline_build() directly.
>> - Taken comments received from Will and Rob
>> - Converted all architectures (Only tested on powerpc)
>>
>> Christophe Leroy (17):
>>    cmdline: Add generic function to build command line.
>>    drivers: of: use cmdline building function
>>    cmdline: Gives architectures opportunity to use generically defined
>>      boot cmdline manipulation
>>    powerpc: Convert to GENERIC_CMDLINE
>>    arm: Convert to GENERIC_CMDLINE
>>    arm64: Convert to GENERIC_CMDLINE
>>    hexagon: Convert to GENERIC_CMDLINE
>>    microblaze: Convert to GENERIC_CMDLINE
>>    nios2: Convert to GENERIC_CMDLINE
>>    openrisc: Convert to GENERIC_CMDLINE
>>    riscv: Convert to GENERIC_CMDLINE
>>    sh: Convert to GENERIC_CMDLINE
>>    sparc: Convert to GENERIC_CMDLINE
>>    xtensa: Convert to GENERIC_CMDLINE
>>    x86: Convert to GENERIC_CMDLINE
>>    mips: Convert to GENERIC_CMDLINE
>>    cmdline: Remove CONFIG_CMDLINE_EXTEND
>>
>>   arch/arm/Kconfig                            | 38 +-------------
>>   arch/arm/kernel/atags_parse.c               | 15 ++----
>>   arch/arm64/Kconfig                          | 33 +-----------
>>   arch/arm64/kernel/idreg-override.c          |  9 ++--
>>   arch/hexagon/Kconfig                        | 11 +---
>>   arch/hexagon/kernel/setup.c                 | 10 +---
>>   arch/microblaze/Kconfig                     | 24 +--------
>>   arch/microblaze/configs/mmu_defconfig       |  2 +-
>>   arch/microblaze/kernel/head.S               |  4 +-
>>   arch/mips/Kconfig                           |  1 +
>>   arch/mips/Kconfig.debug                     | 44 ----------------
>>   arch/mips/configs/ar7_defconfig             |  1 -
>>   arch/mips/configs/bcm47xx_defconfig         |  1 -
>>   arch/mips/configs/bcm63xx_defconfig         |  1 -
>>   arch/mips/configs/bmips_be_defconfig        |  1 -
>>   arch/mips/configs/bmips_stb_defconfig       |  1 -
>>   arch/mips/configs/capcella_defconfig        |  1 -
>>   arch/mips/configs/ci20_defconfig            |  1 -
>>   arch/mips/configs/cu1000-neo_defconfig      |  1 -
>>   arch/mips/configs/cu1830-neo_defconfig      |  1 -
>>   arch/mips/configs/e55_defconfig             |  1 -
>>   arch/mips/configs/generic_defconfig         |  1 -
>>   arch/mips/configs/gpr_defconfig             |  1 -
>>   arch/mips/configs/loongson3_defconfig       |  1 -
>>   arch/mips/configs/mpc30x_defconfig          |  1 -
>>   arch/mips/configs/rt305x_defconfig          |  1 -
>>   arch/mips/configs/tb0219_defconfig          |  1 -
>>   arch/mips/configs/tb0226_defconfig          |  1 -
>>   arch/mips/configs/tb0287_defconfig          |  1 -
>>   arch/mips/configs/workpad_defconfig         |  1 -
>>   arch/mips/configs/xway_defconfig            |  1 -
>>   arch/mips/kernel/relocate.c                 |  4 +-
>>   arch/mips/kernel/setup.c                    | 40 +--------------
>>   arch/mips/pic32/pic32mzda/early_console.c   |  2 +-
>>   arch/mips/pic32/pic32mzda/init.c            |  2 -
>>   arch/nios2/Kconfig                          | 24 +--------
>>   arch/nios2/kernel/setup.c                   | 13 ++---
>>   arch/openrisc/Kconfig                       | 10 +---
>>   arch/powerpc/Kconfig                        | 37 +------------
>>   arch/powerpc/kernel/prom_init.c             | 17 +++---
>>   arch/riscv/Kconfig                          | 44 +---------------
>>   arch/riscv/kernel/setup.c                   |  5 +-
>>   arch/sh/Kconfig                             | 30 +----------
>>   arch/sh/configs/ap325rxa_defconfig          |  2 +-
>>   arch/sh/configs/dreamcast_defconfig         |  2 +-
>>   arch/sh/configs/ecovec24-romimage_defconfig |  2 +-
>>   arch/sh/configs/ecovec24_defconfig          |  2 +-
>>   arch/sh/configs/edosk7760_defconfig         |  2 +-
>>   arch/sh/configs/espt_defconfig              |  2 +-
>>   arch/sh/configs/j2_defconfig                |  2 +-
>>   arch/sh/configs/kfr2r09-romimage_defconfig  |  2 +-
>>   arch/sh/configs/kfr2r09_defconfig           |  2 +-
>>   arch/sh/configs/lboxre2_defconfig           |  2 +-
>>   arch/sh/configs/microdev_defconfig          |  2 +-
>>   arch/sh/configs/migor_defconfig             |  2 +-
>>   arch/sh/configs/polaris_defconfig           |  2 +-
>>   arch/sh/configs/r7780mp_defconfig           |  2 +-
>>   arch/sh/configs/r7785rp_defconfig           |  2 +-
>>   arch/sh/configs/rsk7201_defconfig           |  2 +-
>>   arch/sh/configs/rsk7203_defconfig           |  2 +-
>>   arch/sh/configs/rts7751r2d1_defconfig       |  2 +-
>>   arch/sh/configs/rts7751r2dplus_defconfig    |  2 +-
>>   arch/sh/configs/sdk7780_defconfig           |  2 +-
>>   arch/sh/configs/sdk7786_defconfig           |  2 +-
>>   arch/sh/configs/se7206_defconfig            |  2 +-
>>   arch/sh/configs/se7343_defconfig            |  2 +-
>>   arch/sh/configs/se7712_defconfig            |  2 +-
>>   arch/sh/configs/se7721_defconfig            |  2 +-
>>   arch/sh/configs/se7724_defconfig            |  2 +-
>>   arch/sh/configs/se7751_defconfig            |  2 +-
>>   arch/sh/configs/se7780_defconfig            |  2 +-
>>   arch/sh/configs/sh03_defconfig              |  2 +-
>>   arch/sh/configs/sh2007_defconfig            |  2 +-
>>   arch/sh/configs/sh7757lcr_defconfig         |  2 +-
>>   arch/sh/configs/sh7763rdp_defconfig         |  2 +-
>>   arch/sh/configs/shmin_defconfig             |  2 +-
>>   arch/sh/configs/shx3_defconfig              |  2 +-
>>   arch/sh/configs/titan_defconfig             |  2 +-
>>   arch/sh/configs/ul2_defconfig               |  2 +-
>>   arch/sh/kernel/setup.c                      | 11 +---
>>   arch/sparc/Kconfig                          | 18 +------
>>   arch/sparc/prom/bootstr_64.c                |  2 +-
>>   arch/x86/Kconfig                            | 45 +---------------
>>   arch/x86/kernel/setup.c                     | 17 +-----
>>   arch/xtensa/Kconfig                         | 15 +-----
>>   arch/xtensa/configs/audio_kc705_defconfig   |  1 -
>>   arch/xtensa/configs/common_defconfig        |  1 -
>>   arch/xtensa/configs/generic_kc705_defconfig |  1 -
>>   arch/xtensa/configs/iss_defconfig           |  1 -
>>   arch/xtensa/configs/nommu_kc705_defconfig   |  1 -
>>   arch/xtensa/configs/smp_lx200_defconfig     |  1 -
>>   arch/xtensa/configs/virt_defconfig          |  1 -
>>   arch/xtensa/configs/xip_kc705_defconfig     |  1 -
>>   arch/xtensa/kernel/setup.c                  | 10 +---
>>   drivers/firmware/efi/libstub/x86-stub.c     | 26 +++++-----
> 
> You missed efi-stub.c which has CMDLINE_EXTEND.
> 

I think I completely missed EFI.

Reworked in V4.




More information about the linux-arm-kernel mailing list