From: Avi Kivity <avi@redhat.com>
To: qemu-devel@nongnu.org
Cc: Glauber Costa <glommer@redhat.com>, aliguori@us.ibm.com
Subject: Re: [Qemu-devel] Re: [PATCH] remove smaller slots if registering a bigger one
Date: Wed, 11 Feb 2009 18:56:51 +0200 [thread overview]
Message-ID: <49930353.7040100@redhat.com> (raw)
In-Reply-To: <49930130.5050409@siemens.com>
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
prev parent reply other threads:[~2009-02-11 16:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-11 13:47 [Qemu-devel] [PATCH] remove smaller slots if registering a bigger one Glauber Costa
2009-02-11 14:23 ` [Qemu-devel] " Jan Kiszka
2009-02-11 14:36 ` Avi Kivity
2009-02-11 14:37 ` Glauber Costa
2009-02-11 14:45 ` Jan Kiszka
2009-02-11 14:52 ` Jan Kiszka
2009-02-11 14:59 ` Glauber Costa
2009-02-11 15:30 ` Avi Kivity
2009-02-11 16:47 ` Jan Kiszka
2009-02-11 16:56 ` Avi Kivity [this message]
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