On 03/08/2013 02:06 AM, Jingbai Ma wrote: > > Kernel do have some abilities that user space haven't. It's possible to > map whole memory space of the first kernel into user space on the second > kernel. But the user space code has to re-implement some parts of the > kernel memory management system again. And worse, it's architecture > dependent, more architectures supported, more codes have to be > implemented. All implementation in user space must be sync to kernel > implementation. It's may called "flexibility", but it's painful to > maintain the codes. > What? You are basically talking about /dev/mem... there is nothing particularly magic about it at all. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
