Document krunkit for AI Workloads

Signed-off-by: Daniel J Walsh <[email protected]>

docs/containers.conf.5.md

@@ -971,8 +971,14 @@ On Mac, the default volumes are:
 **provider**=""
 
 Virtualization provider to be used for running a podman-machine VM. Empty value
-is interpreted as the default provider for the current host OS. On Linux/Mac
-default is `QEMU` and on Windows it is `WSL`.
+is interpreted as the default provider for the current host OS.
+
+| Platform | Default                         | Optional |
+| -------- | --------------------------------| -------- |
+| Linux    | QEMU                            | None     |
+| Windows  | WSL:Windows Subsystem for Linux | HyperV: Windows Server Virtualization |
+| Mac      | vfkit: Apple Hypervisor         | krunkit: Launch machine via  libkrun platform, optimized for sharing GPU with the Machine  |
+
 
 **rosetta**="true"
 

pkg/config/containers.conf

@@ -886,7 +886,14 @@ default_sysctls = [
 
 # Virtualization provider used to run Podman machine.
 # If it is empty or commented out, the default provider will be used.
-#
+# Linux: QEMU (Default)
+# Windows: there are currently two options:
+#    WSL2    - Windows Subsystem for Linux (Default) 
+#    HyperV  - Windows Server Virtualization
+# Mac: there are currently two options:
+#    vfkit   - Default Apple Hypervisor (Default)
+#    krunkit - Launch virtual machines using the libkrun platform, optimized
+#              for sharing GPU with the Machine.
 #provider = ""
 
 # Rosetta supports running x86_64 Linux binaries on a Podman machine on Apple silicon.