On Fri, Dec 23, 2005 at 04:34:15PM +0100, Blaisorblade wrote:
> IMHO you need to have two RPMs:
> a) one to install on the guest - it should normally provide modules only.
> Btw,
> you'd like to have modules also in .tgz format (for installation on non-RPM
> guest distros). It can be installed on the host, too.
>
> b) one to install on the host - containing only the guest kernel.
>
> Which should not at all go in /boot - SuSE RPMs are really wrong in this. The
> only reason they work so, likely, is to reuse transparently mkinitrd.
I agree. The only thing that I would add is that one can use "alien" to
massage the guest RPM into whatever format is necessary.
Last year I added support for UML to Arjan's FC3 kernel-2.6.spec, and I built
a kernel-uml-runtime (for the host, currently only contains /usr/bin/linux-*)
and a kernel-uml package for the guest:
%package uml
Summary: Linux kernel as normal program
Group: System Environment/Kernel
Provides: kernel-uml = %{version}
Requires: kernel-utils >= 2.4-8.11
Prereq: %{kernel_prereq}
# We can't let RPM do the dependencies automatic because it'll then pick up
# a correct but undesirable perl dependency from the module headers which
# isn't required for the kernel proper to function
AutoReqProv: no
%description uml
This package contains the Linux kernel and modules for User-Mode Linux.
UML provides a sandbox in which experimentation can be done without
harm to the real system, and can also be used for isolation of network
services. It should be installed inside the UML guest; the
corresponding kernel-uml-runtime package should be installed on the host.
%package uml-runtime
Summary: The runtime binary of the user-mode port of the Linux kernel
Group: System Environment/Kernel
%description uml-runtime
This package provides a Linux kernel compiled as normal program. It
should be installed on the host system; the corresponding kernel-uml
package should be installed inside the UML guest.
%if %{buildUML}
%files uml
%defattr(-,root,root)
/%{image_install_path}/vmlinuz-%{KVERREL}uml
/boot/System.map-%{KVERREL}uml
/boot/config-%{KVERREL}uml
%dir /lib/modules/%{KVERREL}uml
/lib/modules/%{KVERREL}uml/kernel
%verify(not mtime) /lib/modules/%{KVERREL}uml/build
%files uml-runtime
%defattr(-,root,root)
%{_bindir}/linux-%{KVERREL}
%endif
I have yet to port this forward to the FC5 kernel spec files.
Regards,
Bill Rugolsky
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