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Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address rel
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation |
Date: |
Thu, 03 Feb 2011 18:18:24 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2011-02-03 18:03, Blue Swirl wrote:
> On Thu, Feb 3, 2011 at 2:55 PM, Jan Kiszka <address@hidden> wrote:
>> The registers of real IOAPICs can be relocated during runtime (via
>> chipset registers). We don't support this yet, but qemu-kvm carries the
>> current base address in its version 2 vmstate.
>>
>> To align both implementations for migratability, add the proper
>> infrastructure to accept initial as well as updated base addresses and
>> include the current address in the vmstate. This is done in a way that
>> will also allow multiple IOAPICs in the future.
>
> Nack, the addresses should be device properties.
Hmm.... we could make default_base_address a property. Will change that.
But current_base_address is just the same as apicbase and can't be a
property.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
- [Qemu-devel] [0.14?][PATCH 0/4] IOAPIC fixes, Jan Kiszka, 2011/02/03
- [Qemu-devel] [0.14?][PATCH 2/4] ioapic: Save/restore irr, Jan Kiszka, 2011/02/03
- [Qemu-devel] [0.14?][PATCH 1/4] ioapic: Implement EOI handling for level-triggered IRQs, Jan Kiszka, 2011/02/03
- [Qemu-devel] [0.14?][PATCH 4/4] ioapic: Style & magics cleanup, Jan Kiszka, 2011/02/03
- [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Jan Kiszka, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Blue Swirl, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation,
Jan Kiszka <=
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Blue Swirl, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Jan Kiszka, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Blue Swirl, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Jan Kiszka, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Blue Swirl, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Jan Kiszka, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Blue Swirl, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Jan Kiszka, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Blue Swirl, 2011/02/03
- Re: [Qemu-devel] [0.14?][PATCH 3/4] ioapic: Prepare for base address relocation, Jan Kiszka, 2011/02/03