On Thu, Jul 13, 2023 at 08:43:54AM +0000, Yong-Xuan Wang wrote:
> We check the in-kernel irqchip support when using KVM acceleration.
>
> Signed-off-by: Yong-Xuan Wang <yongxuan.wang@xxxxxxxxxx>
> Reviewed-by: Jim Shu <jim.shu@xxxxxxxxxx>
> Reviewed-by: Daniel Henrique Barboza <dbarboza@xxxxxxxxxxxxxxxx>
> ---
> target/riscv/kvm.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c
> index 9d8a8982f9..005e054604 100644
> --- a/target/riscv/kvm.c
> +++ b/target/riscv/kvm.c
> @@ -914,7 +914,15 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
>
> int kvm_arch_irqchip_create(KVMState *s)
> {
> - return 0;
> + if (kvm_kernel_irqchip_split()) {
> + error_report("-machine kernel_irqchip=split is not supported on RISC-V.");
> + exit(1);
> + }
> +
> + /*
> + * We can create the VAIA using the newer device control API.
> + */
> + return kvm_check_extension(s, KVM_CAP_DEVICE_CTRL);
> }
>
> int kvm_arch_process_async_events(CPUState *cs)
> --
> 2.17.1
>
Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
