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authorMarc Zyngier <marc.zyngier@arm.com>2017-06-09 12:49:54 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2017-06-15 09:45:06 +0100
commit2873b5082c5fbe2037f12e8d2abc8ad8f8d82a1b (patch)
tree479bca26e1ee39dcc70b63adfa2f71e4a696cba8 /virt
parentff89511ef29b794d6a9c6b62f5ea76fc013cdae7 (diff)
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KVM: arm64: vgic-v3: Log which GICv3 system registers are trapped
In order to facilitate debug, let's log which class of GICv3 system registers are trapped. Tested-by: Alexander Graf <agraf@suse.de> Acked-by: David Daney <david.daney@cavium.com> Acked-by: Christoffer Dall <cdall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <cdall@linaro.org>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/arm/vgic/vgic-v3.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
index 91cf8b4f01f1..96ea597db0e7 100644
--- a/virt/kvm/arm/vgic/vgic-v3.c
+++ b/virt/kvm/arm/vgic/vgic-v3.c
@@ -518,7 +518,10 @@ 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);
}