Lines Matching refs:UFFDIO_COPY

103 The primary ioctl to resolve userfaults is UFFDIO_COPY. That
107 UFFDIO_COPY. They're atomic as in guaranteeing that nothing can see an
139 the QEMU running in the destination node runs UFFDIO_COPY|ZEROPAGE
147 userfault was already resolved and waken by a UFFDIO_COPY|ZEROPAGE run
158 usual with the UFFDIO_COPY|ZEROPAGE (without actually knowing if it
171 postcopy thread just before UFFDIO_COPY|ZEROPAGE runs in the migration
221 UFFDIO_COPY on the unmapped area.
227 carefully synchronize calls to UFFDIO_COPY with the events
228 processing. To aid the synchronization, the UFFDIO_COPY ioctl will
230 UFFDIO_COPY, and -ENOENT, when the non-cooperative process has changed
231 its virtual memory layout simultaneously with outstanding UFFDIO_COPY
238 non cooperative manager, for example to allow UFFDIO_COPY ioctls to