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KVM: arm64: vgic-v3: Log which GICv3 system registers are trapped

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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>
This commit is contained in:
Marc Zyngier 2017-06-09 12:49:54 +01:00
parent ff89511ef2
commit 2873b5082c
1 changed files with 4 additions and 1 deletions
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5
virt/kvm/arm/vgic/vgic-v3.c
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@ -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);
}