[PATCH v4 41/49] KVM: arm64: selftests: gic_v3: Disable Group-0 interrupts by default
From: Marc Zyngier <maz@kernel.org>
Date: 2025-11-20 17:26:39
Also in:
kvm, kvmarm
Subsystem:
kernel selftest framework, kernel virtual machine (kvm), the rest · Maintainers:
Shuah Khan, Paolo Bonzini, Linus Torvalds
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