From cb7c4f364abd09abd1865fa049ef492fb43e6bf3 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <maz@kernel.org>
Date: Mon, 27 Dec 2021 12:48:04 +0000
Subject: [PATCH] KVM: selftests: arm64: Initialise default guest mode at test
startup time
As we are going to add support for a variable default mode on arm64,
let's make sure it is setup first by using a constructor that gets
called before the actual test runs.
Suggested-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Link: https://lore.kernel.org/r/20211227124809.1335409-2-maz@kernel.org
---
tools/testing/selftests/kvm/lib/aarch64/processor.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c
index b4eeeafd2a70b..b509341b84116 100644
--- a/tools/testing/selftests/kvm/lib/aarch64/processor.c
+++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c
@@ -432,3 +432,12 @@ uint32_t guest_get_vcpuid(void)
{
return read_sysreg(tpidr_el1);
}
+
+/*
+ * arm64 doesn't have a true default mode, so start by computing the
+ * available IPA space and page sizes early.
+ */
+void __attribute__((constructor)) init_guest_modes(void)
+{
+ guest_modes_append_default();
+}
--
2.30.2