[PATCH 0/2] arm64: support initrd outside of mapped RAM

[Mark Rutland]

> > >  arch/arm64/kernel/setup.c           | 55 
> > > +++++++++++++++++++++++++++++++++++++
> > >  include/asm-generic/early_ioremap.h |  6 ++++
> > >  mm/early_ioremap.c                  | 22 +++++++++++++++
> > >  3 files changed, 83 insertions(+)
> > 
> > Any reason for not moving x86 over to the new generic version?
> 
> I have a patch to do that but I'm not sure how to contrive a
> testcase to exercise it.

The easiest option might be to hack up KVM tool [1] to load a kernel an
initrd at suitable addresses.

Otherwise I'm sure someone else must have a way of exercising this.

Mark.

[1] https://git.kernel.org/cgit/linux/kernel/git/will/kvmtool.git/