From 97b9f5ef144151e2e8917ea64aca74a5751745ef Mon Sep 17 00:00:00 2001 From: Yong-Xuan Wang Date: Thu, 27 Jul 2023 10:24:34 +0000 Subject: [PATCH] target/riscv: check the in-kernel irqchip support We check the in-kernel irqchip support when using KVM acceleration. Signed-off-by: Yong-Xuan Wang Reviewed-by: Jim Shu Reviewed-by: Daniel Henrique Barboza Reviewed-by: Andrew Jones Message-ID: <20230727102439.22554-3-yongxuan.wang@sifive.com> Signed-off-by: Alistair Francis --- 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 dbcf26f27d..2953547cb6 100644 --- a/target/riscv/kvm.c +++ b/target/riscv/kvm.c @@ -926,7 +926,15 @@ 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)