Messages in this thread | | | From | Jan Kaisrlik <> | Date | Fri, 27 Sep 2019 15:51:44 +0200 | Subject | Re: [PATCH] arm64: update Kconfig to better handle CMDLINE |
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+ linux-kernel
On Fri, Sep 20, 2019 at 6:43 PM <ja.kaisrlik@gmail.com> wrote: > > From: Jan Kaisrlik <ja.kaisrlik@gmail.com> > > Added a menu to choose how to CMDLINE will be handled. Config strings > were copied from arm32 port. > > Signed-off-by: Jan Kaisrlik <ja.kaisrlik@gmail.com> > --- > arch/arm64/Kconfig | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 3adcec05b1f6..b1dd948f9665 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -1538,6 +1538,23 @@ config CMDLINE > entering them here. As a minimum, you should specify the the > root device (e.g. root=/dev/nfs). > > +choice > + prompt "Kernel command line type" if CMDLINE != "" > + default CMDLINE_FROM_BOOTLOADER > + > +config CMDLINE_FROM_BOOTLOADER > + bool "Use bootloader kernel arguments if available" > + help > + Uses the command-line options passed by the boot loader. If > + the boot loader doesn't provide any, the default kernel command > + string provided in CMDLINE will be used. > + > +config CMDLINE_EXTEND > + bool "Extend bootloader kernel arguments" > + help > + The command-line arguments provided by the boot loader will be > + appended to the default kernel command string. > + > config CMDLINE_FORCE > bool "Always use the default kernel command string" > help > @@ -1545,6 +1562,7 @@ config CMDLINE_FORCE > loader passes other arguments to the kernel. > This is useful if you cannot or don't want to change the > command-line options your boot loader passes to the kernel. > +endchoice > > config EFI_STUB > bool > -- > 2.23.0 >
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