[PATCH v3 25/27] KVM: arm64: vgic-v3: Log which GICv3 system registers are trapped
Marc Zyngier
marc.zyngier at arm.com
Fri Jun 9 04:49:54 PDT 2017
In order to facilitate debug, let's log which class of GICv3 system
registers are trapped.
Tested-by: Alexander Graf <agraf at suse.de>
Acked-by: David Daney <david.daney at cavium.com>
Acked-by: Christoffer Dall <cdall at linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
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 3960e89c05ad..f934a5bb144f 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
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