> On 5 Apr 2022, at 20:21, Stefano Stabellini <sstabell...@kernel.org> wrote: > > On Mon, 4 Apr 2022, Luca Fancellu wrote: >>> 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. > > I understand you couldn't test ESRT but did the basic Xen+Dom0 boot via > EFI on ARM work?
Yes, I realise now I should have added *and it works* before the comma, without it the sentence is misleading. Cheers, Luca
