Re: [Qemu-devel] [PATCH v7 37/42] Postcopy; Handle userfault requests

2015-07-27 Thread Amit Shah
On (Tue) 16 Jun 2015 [11:26:50], Dr. David Alan Gilbert (git) wrote: > 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

Re: [Qemu-devel] [PATCH v7 37/42] Postcopy; Handle userfault requests

2015-07-14 Thread Juan Quintela
"Dr. David Alan Gilbert" wrote: > * Juan Quintela (quint...@redhat.com) wrote: >> "Dr. David Alan Gilbert (git)" wrote: >> > 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

Re: [Qemu-devel] [PATCH v7 37/42] Postcopy; Handle userfault requests

2015-07-14 Thread Dr. David Alan Gilbert
* Juan Quintela (quint...@redhat.com) wrote: > "Dr. David Alan Gilbert (git)" wrote: > > 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 acknowl

Re: [Qemu-devel] [PATCH v7 37/42] Postcopy; Handle userfault requests

2015-07-14 Thread Juan Quintela
"Dr. David Alan Gilbert (git)" wrote: > 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 carr

[Qemu-devel] [PATCH v7 37/42] Postcopy; Handle userfault requests

2015-06-16 Thread Dr. David Alan Gilbert (git)
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