Use KVM when running an x86 image on x86_64

behrmann · Mar 13, 2024 · f92f3f5 · f92f3f5
1 parent b1df763
commit f92f3f5
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/mkosi/config.py b/mkosi/config.py
@@ -396,6 +396,12 @@ def supports_fw_cfg(self) -> bool:
     def supports_smm(self) -> bool:
         return self.is_x86_variant()
 
+    def can_kvm(self) -> bool:
+        return (
+            self == Architecture.native() or
+            (Architecture.native() == Architecture.x86_64 and self == Architecture.x86)
+        )
+
     def default_qemu_machine(self) -> str:
         m = {
             Architecture.x86      : "q35",

diff --git a/mkosi/qemu.py b/mkosi/qemu.py
@@ -620,7 +620,7 @@ def run_qemu(args: Args, config: Config) -> None:
     elif config.runtime_network == Network.none:
         cmdline += ["-nic", "none"]
 
-    if config.qemu_kvm != ConfigFeature.disabled and have_kvm and config.architecture.is_native():
+    if config.qemu_kvm != ConfigFeature.disabled and have_kvm and config.architecture.can_kvm():
         accel = "kvm"
         if qemu_version(config) >= QEMU_KVM_DEVICE_VERSION:
             cmdline += ["--add-fd", f"fd={qemu_device_fds[QemuDeviceNode.kvm]},set=1,opaque=/dev/kvm"]