Category "userspace"

QEMU Reboots on sysret

I'm writing a small Kernel to learn more about Operating ystems. I recently decided to start implementing User Mode, just for fun. To achieve this, I followed t

Does QEMU emulate enough features for vfio to work in the guest?

I'm considering using vfio instead of uio to access a PCI device from userspace code within a QEMU guest. Can Linux running as a x86_64 QEMU guest use the vfio