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Re: [Qemu-devel] Address translation - virt->phys->ram

From: Ian Molton
Subject: Re: [Qemu-devel] Address translation - virt->phys->ram
Date: Tue, 23 Feb 2010 15:46:51 +0000
User-agent: Mozilla-Thunderbird (X11/20091109)

Alexander Graf wrote:

> I guess what you really want is some shm region between host and guess
> that you can use as ring buffer. Then you could run a timer on the host
> side to flush it or have some sort of callback when you urgently need to
> flush it manually.
> The benefit here is that you can actually make use of multiple threads.
> There's no need to intercept the guest at all just because it wants to
> issue some GL operations.

Something like that should work. The problem right now is mostly the
'some sort of callback'. Im not sure there exists any mechanism for the
guests userspace to interrupt qemu directly when running under kvm...

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