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Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device |
Date: |
Mon, 08 Jun 2015 17:33:19 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 08/06/2015 17:22, Michael S. Tsirkin wrote:
> On Mon, Jun 08, 2015 at 05:17:31PM +0200, Paolo Bonzini wrote:
>>
>>
>> On 08/06/2015 17:01, Michael S. Tsirkin wrote:
>>> Are there applications that would actually use this? For microsoft this
>>> seems to be mostly driven by ActiveDirectory needs.
>>> It seems quite possible that applications solve the problem
>>> differently on Linux.
>>
>> I'm not aware of a different solution to the problem on Linux.
>
> Adding it by default for everyone still seems too aggressive.
> We had a ton of pain with pvpanic exactly because of a
> similar "can't hurt" approach.
The ton of pain was due to enabling it in ACPI unconditionally. We can
leave it disabled in the UUID is all zeroes, for example.
Paolo
> I think a better approach would be to merge the code in qemu,
> merge a linux driver. Once that's available, and some apps use it,
> enabling it by default will seem more reasonable.
>
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, (continued)
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Paolo Bonzini, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Gal Hammer, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Paolo Bonzini, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Daniel P. Berrange, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Gal Hammer, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Paolo Bonzini, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Gal Hammer, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Paolo Bonzini, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Gal Hammer, 2015/06/08
- Re: [Qemu-devel] [PATCH V15 4/5] i386: add a Virtual Machine Generation ID device, Paolo Bonzini, 2015/06/08