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authorSam Leonard <sam.leonard@codethink.co.uk>2024-04-19 17:31:33 +0200
committerSam Leonard <sam.leonard@codethink.co.uk>2024-04-19 17:58:37 +0200
commit2068ef6804478f4b0b752b85047043098b6cae0f (patch)
tree14c541805b1fc11d8683f6fb4b3fc36e5d0aca77 /man/systemd-vmspawn.xml
parentman: vmspawn - clarify behaviour of omitting --vsock-cid= (diff)
downloadsystemd-2068ef6804478f4b0b752b85047043098b6cae0f.tar.xz
systemd-2068ef6804478f4b0b752b85047043098b6cae0f.zip
man: vmspawn - clarify behaviour of omitting --linux=/--initrd=
Diffstat (limited to '')
-rw-r--r--man/systemd-vmspawn.xml22
1 files changed, 13 insertions, 9 deletions
diff --git a/man/systemd-vmspawn.xml b/man/systemd-vmspawn.xml
index 4cf82454f8..8f196dd352 100644
--- a/man/systemd-vmspawn.xml
+++ b/man/systemd-vmspawn.xml
@@ -179,9 +179,12 @@
<term><option>--linux=<replaceable>PATH</replaceable></option></term>
<listitem>
- <para>Set the linux kernel image to use for direct kernel boot.</para>
-
- <para>If no kernel was installed into the image then the image will fail to boot.</para>
+ <para>Set the linux kernel image to use for direct kernel boot.
+ If a directory type image is used and <option>--linux=</option> was omitted, vmspawn will search for boot loader entries
+ according to the
+ <ulink url="https://uapi-group.org/specifications/specs/boot_loader_specification">Boot Loader Specification</ulink> assuming
+ XBOOTLDR to be located at /boot and ESP to be /efi respectively.
+ If no kernel was installed into the image then the image will fail to boot.</para>
<xi:include href="version-info.xml" xpointer="v256"/>
</listitem>
@@ -191,13 +194,13 @@
<term><option>--initrd=<replaceable>PATH</replaceable></option></term>
<listitem>
- <para>Set the initrd to use for direct kernel boot.</para>
-
- <para>If the linux kernel supplied is a UKI then this argument is not required.</para>
-
- <para>If the option is specified multiple times vmspawn will merge the initrds together.</para>
+ <para>Set the initrd to use for direct kernel boot.
+ If the <option>--linux=</option> supplied is a
+ <ulink url="https://uapi-group.org/specifications/specs/boot_loader_specification">Boot Loader Specification</ulink>
+ Type #2 entry, then this argument is not required.
+ If no initrd was installed into the image then the image will fail to boot.</para>
- <para>If no initrd was installed into the image then the image will fail to boot.</para>
+ <para><option>--initrd=</option> can be specified multiple times and vmspawn will merge them together.</para>
<xi:include href="version-info.xml" xpointer="v256"/>
</listitem>
@@ -571,6 +574,7 @@ $ ssh root@vsock/$my_vsock_cid -i /run/user/$UID/systemd/vmspawn/machine-*-syste
<member><citerefentry project='debian'><refentrytitle>mkosi</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>machinectl</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
<member><citerefentry><refentrytitle>importctl</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
+ <member><ulink url="https://uapi-group.org/specifications/specs/boot_loader_specification">Boot Loader Specification</ulink></member>
</simplelist></para>
</refsect1>
</refentry>