On Fri, Mar 18, 2016 at 10:13:52AM +0100, Baptiste Reynal wrote: > A new memory backend, the shared memory backend, based on > the file memory backend. > > This new backend allows a master QEMU instance to share a part of > his main memory whith a slave QEMU instance. It is then possible to load > a firmware on this memory and trigger the slave boot using a SDM > signal. > > Such new backend enables, on a master side, to allocate the whole > memory as shareable (e.g. /dev/shm, or hugetlbfs).
How is this different from qemu -mem-path which can be used for hugetlbfs?
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