Grub2 documentation @
https://www.gnu.org/software/grub/manual/grub.html#Configuration states
...
‘GRUB_CMDLINE_XEN’
‘GRUB_CMDLINE_XEN_DEFAULT’
The values of these options are appended to the values of
‘GRUB_CMDLINE_LINUX’ and ‘GRUB_CMDLINE_LINUX_DEFAULT’ for Linux and Xen
menu entries.
‘GRUB_CMDLINE_LINUX_XEN_REPLACE’
‘GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT’
The values of these options replace the values of
‘GRUB_CMDLINE_LINUX’ and ‘GRUB_CMDLINE_LINUX_DEFAULT’ for Linux and Xen
menu entries.
...
From these docs. it's not clear which values get mapped to which grub
entries. One set 'appends', one set 'replaces'. Are they exclusive of
one another?
And, what specifically gets mapped to Xen kernel's "options=" parameter
line?
E.g., a grub2-mkconfig-generated xen*.cfg takes the form
# disclaimer
[global]
#default=
[config.1]
options= dom0_mem= ...
kernel=vmlinuz-4.3.0-16.gff1dcd9-xen ...
ramdisk=initrd-4.3.0-16.gff1dcd9-xen ...
whereas for a NON-xen grub*.cfg
# disclaimer
[global]
#default=
[config.1]
kernel=vmlinuz-4.3.0-16.gff1dcd9-default ...
ramdisk=initrd-4.3.0-16.gff1dcd9-default ...
there's NO "options=..." line.
The docs should clearly address which PARAMETERS map to the "options="
line, and which to the kernel=" line in the Xen case.
To get there -- What's intended, by designn, from development in these
specific *XEN* cases?
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