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[Qemu-discuss] Memory host - guest sharing

From: Sławomir Kowalewski
Subject: [Qemu-discuss] Memory host - guest sharing
Date: Wed, 3 Sep 2014 11:19:12 +0200


I have application on host system that using part of RAM to create some kind of tables. I need to give access to this memory to application that is running on guest system.

What is the easiest way to do it?

I came up with two ideas.

1. Write driver for Qemu and kernel that will use sysbus to get addresses from host and map memory into file on guest.
2. Map part of memory into file on host and then use libvirt XML configuration file to pass created file into guest system.

Do you have better ideas or know why one of mine will not work?

Best Regards
Sławomir Kowalewski

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