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Re: VW ELF loader
From: |
David Gibson |
Subject: |
Re: VW ELF loader |
Date: |
Mon, 10 Feb 2020 18:30:08 +1100 |
On Fri, Feb 07, 2020 at 12:45:20AM +0100, Paolo Bonzini wrote:
> On 07/02/20 00:17, Alexey Kardashevskiy wrote:
> > This is a lot and what is exactly the benefit? My alternative does not
> > need drivers at all.
>
> Anything you put in the host is potential attack surface.
Ok, it is attack surface you're concerned about. That wasn't totally
clear before this point.
> Plus, you're
> not doing a different thing than anyone else and as you've found out it
> may be easy for block device but not for everything else.
Uh.. was that supposed to be "we *are* doing a different thing than
anyone else"?
> Every platform that QEMU supports is just using a firmware to do
> firmware things; it can be U-Boot, EDK-2, SLOF, SeaBIOS, qboot, with
> varying level of complexity. Some are doing -kernel in QEMU rather than
> firmware, but that's where things end.
Well, yeah, but AIUI those platforms actually have a defined hardware
environment on which the firmware is running. For PAPR we don't, we
*only* have a specification for the "hardware"+"firmware" environment
as seen by the OS together.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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- Re: Restrictions of libnet (was: Re: VW ELF loader), (continued)
- Re: VW ELF loader, Alexey Kardashevskiy, 2020/02/04
- Re: VW ELF loader, David Gibson, 2020/02/05
- Re: VW ELF loader, Cornelia Huck, 2020/02/05
- Re: VW ELF loader, David Gibson, 2020/02/05
- Re: VW ELF loader, Paolo Bonzini, 2020/02/06
- Re: VW ELF loader, Alexey Kardashevskiy, 2020/02/06
- Re: VW ELF loader, Paolo Bonzini, 2020/02/06
- Re: VW ELF loader,
David Gibson <=
- Re: VW ELF loader, Peter Maydell, 2020/02/10
- Re: VW ELF loader, Paolo Bonzini, 2020/02/10
- Re: VW ELF loader, David Gibson, 2020/02/13
- Re: VW ELF loader, David Gibson, 2020/02/10
- Re: VW ELF loader, Paolo Bonzini, 2020/02/10
- Re: VW ELF loader, David Gibson, 2020/02/13
- Re: VW ELF loader, David Gibson, 2020/02/05
- Re: VW ELF loader, Paolo Bonzini, 2020/02/06
- Re: VW ELF loader, Alexey Kardashevskiy, 2020/02/06
- Re: VW ELF loader, Paolo Bonzini, 2020/02/06