KVM: arm64: Enable GICv3 Group-0 sysreg trapping via command-line

[mirror_ubuntu-bionic-kernel.git] / virt / kvm / arm / vgic / vgic-v3.c

diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
index 39046ee5be2547b5b33269a82974c0c86ed5ed15..828ca7f9a0606f266a4ac9a5216d4c288637a5fe 100644 (file)
--- a/virt/kvm/arm/vgic/vgic-v3.c
+++ b/virt/kvm/arm/vgic/vgic-v3.c
@@ -438,6 +438,12 @@ out:
 
 DEFINE_STATIC_KEY_FALSE(vgic_v3_cpuif_trap);
 
+static int __init early_group0_trap_cfg(char *buf)
+{
+       return strtobool(buf, &group0_trap);
+}
+early_param("kvm-arm.vgic_v3_group0_trap", early_group0_trap_cfg);
+
 static int __init early_group1_trap_cfg(char *buf)
 {
        return strtobool(buf, &group1_trap);