Hi, [This is an automated email] This commit has been processed because it contains a "Fixes:" tag, fixing commit: 852b6d57dc7f kvm: add device control API. The bot has tested the following trees: v4.20.7, v4.19.20, v4.14.98, v4.9.155, v4.4.173, v3.18.134. v4.20.7: Build OK! v4.19.20: Build OK! v4.14.98: Build OK! v4.9.155: Build OK! v4.4.173: Failed to apply! Possible dependencies: 023e9fddc361 ("KVM: PPC: Move xics_debugfs_init out of create") 0919e84c0fc1 ("KVM: arm/arm64: vgic-new: Add IRQ sync/flush framework") 140b086dd197 ("KVM: arm/arm64: vgic-new: Add GICv2 world switch backend") 2b0cda878965 ("KVM: arm/arm64: vgic-new: Add CTLR, TYPER and IIDR handlers") 4493b1c4866a ("KVM: arm/arm64: vgic-new: Add MMIO handling framework") 59529f69f504 ("KVM: arm/arm64: vgic-new: Add GICv3 world switch backend") 5e6431da8f3a ("KVM: arm/arm64: vgic-new: vgic_init: implement vgic_create") 64a959d66e47 ("KVM: arm/arm64: vgic-new: Add acccessor to new struct vgic_irq instance") 81eeb95ddbab ("KVM: arm/arm64: vgic-new: Implement virtual IRQ injection") 90eee56c5f90 ("KVM: arm/arm64: vgic-new: Implement kvm_vgic_vcpu_pending_irq") a28ebea2adc4 ("KVM: Protect device ops->create and list_add with kvm->lock") b18b57787f5e ("KVM: arm/arm64: vgic-new: Add data structure definitions") c7da6fa43cb1 ("arm/arm64: KVM: Detect vGIC presence at runtime") c86c772191d7 ("KVM: arm/arm64: vgic-new: vgic_kvm_device: KVM device ops registration") e2c1f9abff83 ("KVM: arm/arm64: vgic-new: vgic_kvm_device: implement kvm_vgic_addr") ed9b8cefa916 ("KVM: arm/arm64: vgic-new: Add GICv3 MMIO handling framework") fb848db39661 ("KVM: arm/arm64: vgic-new: Add GICv2 MMIO handling framework") fca256026bb0 ("KVM: arm/arm64: vgic-new: vgic_kvm_device: KVM_DEV_ARM_VGIC_GRP_NR_IRQS") fd59ed3be17e ("KVM: arm/arm64: vgic-new: Add GICv3 CTLR, IIDR, TYPER handlers") v3.18.134: Failed to apply! Possible dependencies: 023e9fddc361 ("KVM: PPC: Move xics_debugfs_init out of create") 05bc8aafe664 ("arm/arm64: KVM: wrap 64 bit MMIO accesses with two 32 bit ones") 174178fed338 ("KVM: arm/arm64: add irqfd support") 1d916229e348 ("arm/arm64: KVM: split GICv2 specific emulation code from vgic.c") 3caa2d8c3b2d ("arm/arm64: KVM: make the maximum number of vCPUs a per-VM value") 59892136c40d ("arm/arm64: KVM: pass down user space provided GIC type into vGIC code") 662d9715840a ("arm/arm64: KVM: Kill CONFIG_KVM_ARM_{VGIC,TIMER}") 832158125d2e ("arm/arm64: KVM: add vgic.h header file") 83fe27ea5311 ("rcu: Make SRCU optional by using CONFIG_SRCU") 96415257a1bd ("arm/arm64: KVM: refactor vgic_handle_mmio() function") a28ebea2adc4 ("KVM: Protect device ops->create and list_add with kvm->lock") b26e5fdac43c ("arm/arm64: KVM: introduce per-VM ops") c7da6fa43cb1 ("arm/arm64: KVM: Detect vGIC presence at runtime") d44758c0dfc5 ("KVM: arm/arm64: enable KVM_CAP_IOEVENTFD") d97f683d0f4b ("arm/arm64: KVM: refactor MMIO accessors") How should we proceed with this patch? -- Thanks, Sasha