On Thu, Jun 01, 2017 at 11:21:17AM +0100, Marc Zyngier wrote:
> In order to facilitate debug, let's log which class of GICv3 system
> registers are trapped.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Acked-by: Christoffer Dall <cdall@xxxxxxxxxx>
> ---
> virt/kvm/arm/vgic/vgic-v3.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
> index 636f1258d217..e0b530f4b1e6 100644
> --- a/virt/kvm/arm/vgic/vgic-v3.c
> +++ b/virt/kvm/arm/vgic/vgic-v3.c
> @@ -499,7 +499,10 @@ int vgic_v3_probe(const struct gic_kvm_info *info)
> #endif
>
> if (group0_trap || group1_trap || common_trap) {
> - kvm_info("GICv3 sysreg trapping enabled (reduced performance)\n");
> + kvm_info("GICv3 sysreg trapping enabled ([%s%s%s], reduced performance)\n",
> + group0_trap ? "G0" : "",
> + group1_trap ? "G1" : "",
> + common_trap ? "C" : "");
> static_branch_enable(&vgic_v3_cpuif_trap);
> }
>
> --
> 2.11.0
>
