git.iko.soy/typeable/nixpkgs
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nixos/lib/qemu-common: Opportunistically use KVM

This will try to use KVM if available and fallback to using TCG if not. Useful for nested virtualisation of arm on x86.

commita2465483e89026df3ea939f95f8cf8de6717ea9c authorMax Hausch <max.hausch@helsinki-systems.de> dateTue 5 Apr 2022, 11:49 (5 years ago) parent1a069f4
1 file changed+2−2
compare with master
unifiedsplit
nixos/lib/qemu-common.nix+2−2
nixos/lib/qemu-common.nix+2−2
@@ -23,8 +23,8 @@ rec {
2323
2424 qemuBinary = qemuPkg: {
2525 x86_64-linux = "${qemuPkg}/bin/qemu-kvm -cpu max";
26− armv7l-linux = "${qemuPkg}/bin/qemu-system-arm -enable-kvm -machine virt -cpu host";
27− aarch64-linux = "${qemuPkg}/bin/qemu-system-aarch64 -enable-kvm -machine virt,gic-version=host -cpu host";
26+ armv7l-linux = "${qemuPkg}/bin/qemu-system-arm -machine virt,accel=kvm:tcg -cpu max";
27+ aarch64-linux = "${qemuPkg}/bin/qemu-system-aarch64 -machine virt,gic-version=max,accel=kvm:tcg -cpu max";
2828 powerpc64le-linux = "${qemuPkg}/bin/qemu-system-ppc64 -machine powernv";
2929 powerpc64-linux = "${qemuPkg}/bin/qemu-system-ppc64 -machine powernv";
3030 x86_64-darwin = "${qemuPkg}/bin/qemu-kvm -cpu max";