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Re: [PATCH] xen/arm64: Default ACPI support enabled


  • To: Elliott Mitchell <ehem+xen@xxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Mon, 6 Feb 2023 08:29:27 +0100
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  • Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 06 Feb 2023 07:29:52 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 22.07.2020 19:43, Elliott Mitchell wrote:
> Unlike other unsupportted options, ACPI support is required to *boot*
> for a number of platforms.  Users on these platforms are unable to use
> distribution builds and must rebuild from source to use Xen.
> 
> Signed-off-by: Elliott Mitchell <ehem+xen@xxxxxxx>

A general question first: How come this mail dates back to July 2020? I
had almost missed it as "new".

> --- a/xen/arch/arm/Kconfig
> +++ b/xen/arch/arm/Kconfig
> @@ -29,13 +29,18 @@ menu "Architecture Features"
>  source "arch/Kconfig"
>  
>  config ACPI
> -     bool "ACPI (Advanced Configuration and Power Interface) Support 
> (UNSUPPORTED)" if UNSUPPORTED
> +     bool "ACPI (Advanced Configuration and Power Interface) Support 
> (UNSUPPORTED)"

Personally I think the (UNSUPPORTED) in the prompt should then go away as
well. Which in turn points out that we will want to reconsider whether we
actually have UNSUPPORTED as a Kconfig control, as its purpose looks to
be specifically cases like the one here. The question goes to Stefano in
particular, who I think had introduced it back at the time.

Jan



 


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