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-rw-r--r--nixos/lib/qemu-flags.nix4
-rw-r--r--nixos/tests/installer.nix2
2 files changed, 3 insertions, 3 deletions
diff --git a/nixos/lib/qemu-flags.nix b/nixos/lib/qemu-flags.nix
index 774f66b4804e..859d9e975fec 100644
--- a/nixos/lib/qemu-flags.nix
+++ b/nixos/lib/qemu-flags.nix
@@ -17,9 +17,9 @@ in
         else throw "Unknown QEMU serial device for system '${pkgs.stdenv.hostPlatform.system}'";
 
   qemuBinary = qemuPkg: {
-    x86_64-linux = "${qemuPkg}/bin/qemu-kvm -cpu kvm64";
+    x86_64-linux = "${qemuPkg}/bin/qemu-kvm -cpu host";
     armv7l-linux = "${qemuPkg}/bin/qemu-system-arm -enable-kvm -machine virt -cpu host";
     aarch64-linux = "${qemuPkg}/bin/qemu-system-aarch64 -enable-kvm -machine virt,gic-version=host -cpu host";
-    x86_64-darwin = "${qemuPkg}/bin/qemu-kvm -cpu kvm64";
+    x86_64-darwin = "${qemuPkg}/bin/qemu-kvm -cpu host";
   }.${pkgs.stdenv.hostPlatform.system} or "${qemuPkg}/bin/qemu-kvm";
 }
diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index eb1f4f192dd1..024445b01b6c 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -74,7 +74,7 @@ let
       # FIXME don't duplicate the -enable-kvm etc. flags here yet again!
       qemuFlags =
         (if system == "x86_64-linux" then "-m 768 " else "-m 512 ") +
-        (optionalString (system == "x86_64-linux") "-cpu kvm64 ") +
+        (optionalString (system == "x86_64-linux") "-cpu host ") +
         (optionalString (system == "aarch64-linux") "-enable-kvm -machine virt,gic-version=host -cpu host ");
 
       hdFlags = ''hda => "vm-state-machine/machine.qcow2", hdaInterface => "${iface}", ''