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[PATCH v7 2/5] target/riscv: check the in-kernel irqchip support
From: |
Yong-Xuan Wang |
Subject: |
[PATCH v7 2/5] target/riscv: check the in-kernel irqchip support |
Date: |
Thu, 27 Jul 2023 10:24:34 +0000 |
We check the in-kernel irqchip support when using KVM acceleration.
Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com>
Reviewed-by: Jim Shu <jim.shu@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
---
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