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qemu-qemu/docs/interop
Demi Marie Obenour a63a6cd694 vhost-user: Guarantee that memory regions do not overlap
Otherwise there would be an ambiguity problem.  Suppose that:

1. There is a region from [0x40000, 0x50000) with mmap offset 0x500000.
2. There is a region from [0x48000, 0x58000) with mmap offset 0xA00000.

A request has address 0x44000.  Which mmap offset should be used?

This problem appears with both guest and user addresses.

Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20260522-vhost-user-dev-v1-1-b31646cf19b8@gmail.com>
2026-07-05 09:06:13 -04:00
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