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

From: Marc Zyngier <[email-masked]>
Date: Thu, 20 Nov 2025 17:25:31 +0000

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

Tested-by: Fuad Tabba <[email-masked]>
Signed-off-by: Marc Zyngier <[email-masked]>
---
 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