Changeset 10311fa

Timestamp:

08/28/2022 12:43:33 PM (20 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

11.2, 11.3, 12.0, 12.1, kea, ken/TL2024, ken/inkscape-core-mods, ken/tuningfonts, lazarus, lxqt, plabs/newcss, plabs/python-mods, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, trunk, xry111/llvm18, xry111/soup3, xry111/xf86-video-removal

Children:

fae75b7

Parents:

46a8304

Message:

qemu: mention virtio drivers for disk and network

File:

• postlfs/virtualization/qemu.xml (modified) (1 diff)

postlfs/virtualization/qemu.xml

@@ -479 +479 @@
     </para>
 
+    <para>
+      <option>-drive file=&lt;filename&gt;,if=virtio</option>: Provide
+      Virtio interface to the guest kernel for accessing the disk image,
+      instead of simulating a real disk hardware.  This can improve disk I/O
+      performance, but it requires a Virtio driver in guest kernel.  Use
+      it instead of a plain <option>-drive</option> if the guest kernel
+      supports Virtio.  Note that if the guest kernel is Linux, the virtual
+      disks using Virtio interface will be named <filename>vdx</filename>
+      in the devtmpfs, instead of <filename>sdx</filename>.
+    </para>
+
+    <para>
+      <option>-net nic,netdev=net0,model=virtio-net-pci</option>: Provide
+      Virtio interface to the guest kernel for accessing the network
+      interface, instead of simulating a real network interface card.  This
+      can improve network I/O performance, but it requires a Virtio driver
+      in guest kernel.  Use it instead of a plain <option>-net</option> if
+      the guest kernel supports Virtio.
+    </para>
+
     <bridgehead renderas="sect3">Controlling the Emulated Display</bridgehead>
     <para>