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| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2015-11-05 18:11:17 +0000 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2015-11-10 15:00:28 +0100 |
| commit | c4faeed2313e2bf9aa3694544bd211c15e28c164 (patch) | |
| tree | e2b0b9e1160f2ede7daa8015792d359a1ab44729 /hw/core/qdev.c | |
| parent | 4ed023ce2a39ab5812d33cf4d819def168965a7f (diff) | |
| download | focaccia-qemu-c4faeed2313e2bf9aa3694544bd211c15e28c164.tar.gz focaccia-qemu-c4faeed2313e2bf9aa3694544bd211c15e28c164.zip | |
Postcopy; Handle userfault requests
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 into messages back to the source asking for the pages. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'hw/core/qdev.c')
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