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From: | Avi Kivity |
Subject: | Re: [Qemu-devel] Re: [PATCH] remove smaller slots if registering a bigger one |
Date: | Wed, 11 Feb 2009 18:56:51 +0200 |
User-agent: | Thunderbird 2.0.0.19 (X11/20090105) |
Jan Kiszka wrote:
Making memory management in qemu symmetric (any cpu_register_physical_memory() must be followed by a cpu_unregister_physical_memory() with the same parameters) is a good idea.Then all devices should track their - potentially guest-defined - mappings and revert them on reset? I think handling this in the lower layer is more convenient.
Most of these mappings (at least in the PC world) are PCI mappings, no? In which case the PCI layer already tracks everything.
There's an issue if the guest programs conflicting BARs. Currently qemu has a latest-wins policy, but that's not necessarily the right thing.
-- error compiling committee.c: too many arguments to function
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