On Mon, Apr 11, 2016 at 06:53:05PM +0700, Antoine Martin wrote: > > There are a few existing ways to achieve that without involving > > virtio-vsock: vhost-user or ivshmem. > Yes, I've looked at those and they seem a bit overkill for what we > want to achieve. We don't want sharing with multiple guests, or > interrupts. > All we want is a chunk of host memory to be accessible from the guest..
ivshmem does that. It operates in two modes, it sounds like you want
the first and simpler mode ("ivshmem-plain").
Take a look at hw/misc/ivshmem.c in QEMU.
Stefan
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