> On 2 Apr 2022, at 00:14, Demi Marie Obenour <d...@invisiblethingslab.com> > wrote: > > The EFI System Resource Table (ESRT) is necessary for fwupd to identify > firmware updates to install. According to the UEFI specification §23.4, > the table shall be stored in memory of type EfiBootServicesData. > Therefore, Xen must avoid reusing that memory for other purposes, so > that Linux can access the ESRT. Additionally, Xen must mark the memory > as reserved, so that Linux knows accessing it is safe. > > See https://lore.kernel.org/xen-devel/20200818184018.GN1679@mail-itl/T/ > for details. > > Signed-off-by: Demi Marie Obenour <d...@invisiblethingslab.com>
Hi, I’ve tested the patch on an arm machine booting Xen+Dom0 through EFI, unfortunately I could not test the functionality. Cheers, Luca
