Implements -k/--kernel flag for xtask build and check. This PR does not implement this flag for start-qemu. It should be possible to, for example, only compile the kernel and then start qemu, or only run kernel tests. However, this would require changing the initrd/disk image process.
Implements
-k/--kernelflag for xtaskbuildandcheck. This PR does not implement this flag forstart-qemu. It should be possible to, for example, only compile the kernel and then start qemu, or only run kernel tests. However, this would require changing the initrd/disk image process.