cpuif->vgic_hcr &= ~ICH_HCR_UIE;
}
+static bool group0_trap;
static bool group1_trap;
void vgic_v3_set_underflow(struct kvm_vcpu *vcpu)
/* Get the show on the road... */
vgic_v3->vgic_hcr = ICH_HCR_EN;
+ if (group0_trap)
+ vgic_v3->vgic_hcr |= ICH_HCR_TALL0;
if (group1_trap)
vgic_v3->vgic_hcr |= ICH_HCR_TALL1;
}
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);
if (kvm_vgic_global_state.vcpu_base == 0)
kvm_info("disabling GICv2 emulation\n");
- if (group1_trap) {
+ if (group0_trap || group1_trap) {
kvm_info("GICv3 sysreg trapping enabled (reduced performance)\n");
static_branch_enable(&vgic_v3_cpuif_trap);
}