[Qemu-devel] [PULL 50/57] Postcopy; Handle userfault requests

2015-11-10 Thread Juan Quintela
From: "Dr. David Alan Gilbert" userfaultfd is a Linux syscall that gives an fd that receives a stream of notifications of accesses to pages registered with it and allows the program to acknowledge those stalls and tell the accessing thread to carry on. We convert the requests from the kernel int

[Qemu-devel] [PULL 50/57] Postcopy; Handle userfault requests

2015-11-09 Thread Juan Quintela
From: "Dr. David Alan Gilbert" userfaultfd is a Linux syscall that gives an fd that receives a stream of notifications of accesses to pages registered with it and allows the program to acknowledge those stalls and tell the accessing thread to carry on. We convert the requests from the kernel int