Now that we're able to safely handle Group-0 sysreg access, let's give the user the opportunity to enable it by passing a specific command-line option (vgic_v3.group0_trap).
Signed-off-by: Marc Zyngier <[email protected]> --- virt/kvm/arm/vgic/vgic-v3.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c index 7525216ef988..1486ce25edcb 100644 --- a/virt/kvm/arm/vgic/vgic-v3.c +++ b/virt/kvm/arm/vgic/vgic-v3.c @@ -419,6 +419,12 @@ int vgic_v3_map_resources(struct kvm *kvm) DEFINE_STATIC_KEY_FALSE(vgic_v3_cpuif_trap); +static int __init early_group0_trap_cfg(char *buf) +{ + return strtobool(buf, &group0_trap); +} +early_param("vgic_v3.group0_trap", early_group0_trap_cfg); + static int __init early_group1_trap_cfg(char *buf) { return strtobool(buf, &group1_trap); -- 2.11.0 _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
