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[PATCH] xen/arm64: Default ACPI support enabled



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>
---
Stripping this down to near-minimum.  Previous similar commits had
included a message in dmesg, but the community call indicated doing near
the absolute minimum.

There was also a mention of potentially marking Xen as tainted in this
case.  That seems reasonable to me.  Just ACPI support needs to default
enabled now.
---
 xen/arch/arm/Kconfig | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
index 239d3aed3c..778bee5792 100644
--- 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)"
        depends on ARM_64
+       default y
        ---help---
 
          Advanced Configuration and Power Interface (ACPI) support for Xen is
          an alternative to device tree on ARM64.
 
+         Note this is presently UNSUPPORTED.  If a given device has both
+         device-tree and ACPI support, it is presently (February 2023)
+         recommended to boot using the device-tree.
+
 config ARM_EFI
        bool
 
-- 
(\___(\___(\______          --=> 8-) EHM <=--          ______/)___/)___/)
 \BS (    |         ehem+sigmsg@xxxxxxx  PGP 87145445         |    )   /
  \_CS\   |  _____  -O #include <stddisclaimer.h> O-   _____  |   /  _/
8A19\___\_|_/58D2 7E3D DDF4 7BA6 <-PGP-> 41D1 B375 37D0 8714\_|_/___/5445





 


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