[PATCH] x86/pvshim: disable PDX compression in PV shim defconfig

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

There's no need for PDX compression given the memory map provided by Xen
to guests is contiguous, turn off the feature by default in the PV shim
defconfig.

Reported-by: Jan Beulich <jbeulich@xxxxxxxx>
Fixes: c5c45bcbd6a1 ('pdx: introduce a new compression algorithm based on 
region offsets')
Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
 xen/arch/x86/configs/pvshim_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/arch/x86/configs/pvshim_defconfig 
b/xen/arch/x86/configs/pvshim_defconfig
index c58c29adb0bf..24f4e4857dde 100644
--- a/xen/arch/x86/configs/pvshim_defconfig
+++ b/xen/arch/x86/configs/pvshim_defconfig
@@ -7,6 +7,7 @@ CONFIG_PV_SHIM_EXCLUSIVE=y
 CONFIG_NR_CPUS=32
 CONFIG_EXPERT=y
 # Disable features not used by the PV shim
+CONFIG_PDX_NONE=y
 # CONFIG_XEN_SHSTK is not set
 # CONFIG_XEN_IBT is not set
 # CONFIG_GRANT_TABLE is not set
-- 
2.51.0