Re: [Qemu-devel] On block interface types in general, IF_AHCI in particular

[Alexander Graf]

On 31.10.2012, at 15:40, Paolo Bonzini wrote:

> Il 31/10/2012 15:20, Markus Armbruster ha scritto:
>> One more thing: on a *major* upgrade, I'd rather deal with immediately
>> obvious breakage (does not boot) than rotten performance.
>> 
>> If we make "q35 with compat IDE" the default, we'll have to tell users
>> many, many times not to use the default :(
> 
> Well, compat IDE is not on the same league as writethrough for bad
> performance, and virtio is anyway the better choice (and not available
> just with a different machine type).

Are you seriously considering to carry that IDE legacy around simply because we 
are too dumb to create working command line options? AHCI gets you at least 
parallel disk access, so in most cases it's a lot more sane than IDE.


Alex