x86: cover emulation of reduced MAXPHYADDR
Add a variant of x86/access.flat that covers the emulation
of guest-MAXPHYADDR < host-MAXPHYADDR. Use an old-ish
CPU model because to speed up the test, as Ivy Bridge did
not have SMEP and PKU.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/x86/unittests.cfg b/x86/unittests.cfg
index 4fa42fa..bab1cce 100644
--- a/x86/unittests.cfg
+++ b/x86/unittests.cfg
@@ -116,9 +116,16 @@
[access]
file = access.flat
arch = x86_64
-extra_params = -cpu host,host-phys-bits
+extra_params = -cpu max
timeout = 180
+[access-reduced-maxphyaddr]
+file = access.flat
+arch = x86_64
+extra_params = -cpu IvyBridge,phys-bits=36,host-phys-bits=off
+timeout = 180
+check = /sys/module/kvm_intel/parameters/allow_smaller_maxphyaddr=Y
+
[smap]
file = smap.flat
extra_params = -cpu host
