Re: [Xen-devel] [PATCH v10 00/17] Add ACPI support for Xen Dom0 on ARM64

[Julien Grall <julien.grall@xxxxxxx>]

On 07/04/16 02:39, Shannon Zhao wrote:
> Hi Julien,
Hi Shannon,

> On 2016/4/6 19:32, Julien Grall wrote:
> > Hi Shannon,
> >
> > On 01/04/2016 16:48, Shannon Zhao wrote:
> > > This patch set adds ACPI support for Xen Dom0 on ARM64. The relevant Xen
> > > ACPI on ARM64 design document could be found from [1].
> > >
> > > This patch set adds a new FDT node "uefi" under /hypervisor to pass UEFI
> > > information. Introduce a bus notifier of AMBA and Platform bus to map
> > > the new added device's MMIO space. Make Xen domain use
> > > xlated_setup_gnttab_pages to setup grant table and a new hypercall to
> > > get event-channel irq.
> > >
> > > Regarding the initialization flow of Linux kernel, it needs to move
> > > xen_early_init() before efi_init(). Then xen_early_init() will check
> > > whether it runs on Xen through the /hypervisor node and efi_init() will
> > > call a new function fdt_find_xen_uefi_params(), to parse those
> > > xen,uefi-* parameters just like the existing efi_get_fdt_params().
> > >
> > > And in arm64_enable_runtime_services() it will check whether it runs on
> > > Xen and call another new function xen_efi_runtime_setup() to setup
> > > runtime service instead of efi_native_runtime_setup(). The
> > > xen_efi_runtime_setup() will assign the runtime function pointers with
> > > the functions of driver/xen/efi.c.
> > >
> > > And since we pass a /hypervisor node and a /chosen node to Dom0, it
> > > needs to check whether the DTS only contains a /hypervisor node and a
> > > /chosen node in acpi_boot_table_init().
> > >
> > > Patches are tested on FVP base model. They can be fetched from[2].
> > I have tested this series and Linux is booting up to the prompt:
> >
> > Tested-by: Julien Grall <julien.grall@xxxxxxx>
> Thanks a lot. There are several patches which you didn't give your
> comments. So I assume you will review them. If so, I'll wait and update
> this series later.
I don't have any comments on those patches. You can go ahead to update 
the patch series.
Regards,

--
Julien Grall

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