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* [PATCH kvm-unit-tests] x86: cover emulation of reduced MAXPHYADDR
@ 2020-09-25 22:44 Paolo Bonzini
  0 siblings, 0 replies; only message in thread
From: Paolo Bonzini @ 2020-09-25 22:44 UTC (permalink / raw)
  To: kvm

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>
---
 x86/unittests.cfg | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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 @@ extra_params = -cpu qemu64,+x2apic,+tsc-deadline -append tscdeadline_immed
 [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
-- 
2.26.2


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2020-09-25 22:44 [PATCH kvm-unit-tests] x86: cover emulation of reduced MAXPHYADDR Paolo Bonzini

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