From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [PATCH RFC 33/35] arm : acpi enable efi for acpi
Date: Thu, 5 Feb 2015 12:05:47 +0000
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To: Jan Beulich <JBeulich@suse.com>
Cc: Julien Grall <julien.grall@linaro.org>, tim@xen.org, xen-devel@lists.xen.org, stefano.stabellini@citrix.com, parth.dixit@linaro.org, christoffer.dall@linaro.org
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On Thu, 2015-02-05 at 11:58 +0000, Jan Beulich wrote:
> >>> On 05.02.15 at 06:31, <julien.grall@linaro.org> wrote:
> >> --- a/xen/common/efi/runtime.c
> >> +++ b/xen/common/efi/runtime.c
> >> @@ -11,7 +11,13 @@ DEFINE_XEN_GUEST_HANDLE(CHAR16);
> >>   #ifndef COMPAT
> >>
> >>   #ifdef CONFIG_ARM  /* Disabled until runtime services implemented */
> > 
> > This comment seems irrelevant now.
> > 
> >> +
> >> +#if defined(CONFIG_ARM_64) && defined(CONFIG_ACPI)
> > 
> > #ifdef CONFIG_ACPI
> 
> This is common code, and I can't see ACPI and EFI being always in the
> same supported state (or else we could drop one of the two).

EFI without ACPI is certainly a possibility on ARM64.

Ian.