[PATCH 09/12] KVM: arm: vgic: Drop useless Group0 warning
From: Marc Zyngier <hidden>
Date: 2015-06-19 12:53:13
Also in:
kvm, kvmarm
Subsystem:
kernel virtual machine (kvm), the rest · Maintainers:
Paolo Bonzini, Linus Torvalds
If a GICv3-enabled guest tries to configure Group0, we print a warning on the console (because we don't support Group0 interrupts). This is fairly pointless, and would allow a guest to spam the console. Let's just drop the warning. Acked-by: Christoffer Dall <redacted> Signed-off-by: Marc Zyngier <redacted> --- virt/kvm/arm/vgic-v3-emul.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/virt/kvm/arm/vgic-v3-emul.c b/virt/kvm/arm/vgic-v3-emul.c
index 2b369de..e661e7f 100644
--- a/virt/kvm/arm/vgic-v3-emul.c
+++ b/virt/kvm/arm/vgic-v3-emul.c@@ -76,8 +76,6 @@ static bool handle_mmio_ctlr(struct kvm_vcpu *vcpu, vgic_reg_access(mmio, ®, offset, ACCESS_READ_VALUE | ACCESS_WRITE_VALUE); if (mmio->is_write) { - if (reg & GICD_CTLR_ENABLE_SS_G0) - kvm_info("guest tried to enable unsupported Group0 interrupts\n"); vcpu->kvm->arch.vgic.enabled = !!(reg & GICD_CTLR_ENABLE_SS_G1); vgic_update_state(vcpu->kvm); return true;
--
2.1.4