From mboxrd@z Thu Jan 1 00:00:00 1970 From: cdall@linaro.org (Christoffer Dall) Date: Tue, 6 Jun 2017 15:23:13 +0200 Subject: [PATCH v2 25/25] KVM: arm64: vgic-v3: Log which GICv3 system registers are trapped In-Reply-To: <20170601102117.17750-26-marc.zyngier@arm.com> References: <20170601102117.17750-1-marc.zyngier@arm.com> <20170601102117.17750-26-marc.zyngier@arm.com> Message-ID: <20170606132313.GC9464@cbox> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Acked-by: Christoffer Dall > --- > 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 >