diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c index c53ca1f76b..a9680f2447 100644 --- a/target/riscv/kvm/kvm-cpu.c +++ b/target/riscv/kvm/kvm-cpu.c @@ -1734,13 +1734,29 @@ void kvm_riscv_aia_create(MachineState *machine, uint64_t group_shift, } } - ret = kvm_device_access(aia_fd, KVM_DEV_RISCV_AIA_GRP_CONFIG, - KVM_DEV_RISCV_AIA_CONFIG_SRCS, - &aia_irq_num, true, NULL); - if (ret < 0) { - error_report("KVM AIA: failed to set number of input irq lines"); - exit(1); - } + /* + * Skip APLIC creation in KVM if we're running split mode. + * This is done by leaving KVM_DEV_RISCV_AIA_CONFIG_SRCS + * unset. We can also skip KVM_DEV_RISCV_AIA_ADDR_APLIC + * since KVM won't be using it. + */ + if (!kvm_kernel_irqchip_split()) { + ret = kvm_device_access(aia_fd, KVM_DEV_RISCV_AIA_GRP_CONFIG, + KVM_DEV_RISCV_AIA_CONFIG_SRCS, + &aia_irq_num, true, NULL); + if (ret < 0) { + error_report("KVM AIA: failed to set number of input irq lines"); + exit(1); + } + + ret = kvm_device_access(aia_fd, KVM_DEV_RISCV_AIA_GRP_ADDR, + KVM_DEV_RISCV_AIA_ADDR_APLIC, + &aplic_base, true, NULL); + if (ret < 0) { + error_report("KVM AIA: failed to set the base address of APLIC"); + exit(1); + } + } ret = kvm_device_access(aia_fd, KVM_DEV_RISCV_AIA_GRP_CONFIG, KVM_DEV_RISCV_AIA_CONFIG_IDS, @@ -1781,14 +1797,6 @@ void kvm_riscv_aia_create(MachineState *machine, uint64_t group_shift, exit(1); } - ret = kvm_device_access(aia_fd, KVM_DEV_RISCV_AIA_GRP_ADDR, - KVM_DEV_RISCV_AIA_ADDR_APLIC, - &aplic_base, true, NULL); - if (ret < 0) { - error_report("KVM AIA: failed to set the base address of APLIC"); - exit(1); - } - for (socket = 0; socket < socket_count; socket++) { socket_imsic_base = imsic_base + socket * (1U << group_shift); hart_count = riscv_socket_hart_count(machine, socket);