[PATCH v4 41/49] KVM: arm64: selftests: gic_v3: Disable Group-0 interrupts by default

Marc Zyngier
2025-11-20T17:26:06Z

Make sure G0 is disabled at the point of initialising the GIC.

Tested-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
tools/testing/selftests/kvm/lib/arm64/gic_v3.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/kvm/lib/arm64/gic_v3.c b/tools/testing/selftests/kvm/lib/arm64/gic_v3.c
index 3e4e1a6a4f7c3..5b0fd95c6b48a 100644
--- a/tools/testing/selftests/kvm/lib/arm64/gic_v3.c
+++ b/tools/testing/selftests/kvm/lib/arm64/gic_v3.c
@@ -342,6 +342,8 @@ static void gicv3_cpu_init(unsigned int cpu)
/* Set a default priority threshold */
write_sysreg_s(ICC_PMR_DEF_PRIO, SYS_ICC_PMR_EL1);

+ /* Disable Group-0 interrupts */
+ write_sysreg_s(ICC_IGRPEN0_EL1_MASK, SYS_ICC_IGRPEN1_EL1);
/* Enable non-secure Group-1 interrupts */
write_sysreg_s(ICC_IGRPEN1_EL1_MASK, SYS_ICC_IGRPEN1_EL1);
}
--
2.47.3