From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH FOR-4.5] xen: arm: Do not enable EFI in dom0
 since it is not yet supported.
Date: Tue, 14 Oct 2014 08:21:25 +0100
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To: Roy Franz <roy.franz@linaro.org>
Cc: Vijay Kilari <vijay.kilari@gmail.com>, Vijaya Kumar K <vijaya.kumar@caviumnetworks.com>, Julien Grall <julien.grall@linaro.org>, xen-devel <xen-devel@lists.xen.org>, Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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On Mon, 2014-10-13 at 12:37 -0700, Roy Franz wrote:
> On Mon, Oct 13, 2014 at 9:20 AM, Julien Grall <julien.grall@linaro.org> wrote:
> > (CC vijay)
> >
> > Hi Suravee,
> >
> > On 10/13/2014 05:17 PM, suravee.suthikulpanit@amd.com wrote:
> >> From: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
> >>
> >> Since EFI is not yet supported in dom0, we need to remove the following
> >> properties from the chosen node:
> >>
> >>   * linux,uefi-mmap-start
> >>   * linux,uefi-mmap-size
> >>   * linux,uefi-mmap-desc-size
> >>   * linux,uefi-mmap-desc-ver
> >>
> >> These are added by "arch/arm/efi/efi-boot.h: fdt_add_uefi_nodes()",
> >> and used by dom0 kernel to enable EFI.
> >>
> >> Cc: Julien Grall <julien.grall@linaro.org>
> >> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> >> Cc: Ian Campbell <ian.campbell@citrix.com>
> >> Cc: Roy Franz <roy.franz@linaro.org>
> >> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
> >
> > Reviewed-by: Julien Grall <julien.grall@linaro.org>
> 
> Reviewed-by: Roy Franz <roy.franz@linaro.org>

Acked-by: Ian Campbell <ian.campbell@.citrix.com>

But I do wonder why we don't just drop the hos /chosen node -- I think
everything which should be in there is fabricated by the h/visor anyway.

Ian.