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

[Paolo Bonzini]

Il 31/10/2012 17:05, Alexander Graf ha scritto:
> That's the same reasoning that we used for cache=writethrough. It
> just plain sucks. Why can't we just drop Windows XP from the out of
> box experience and get everyone to at least 80% performance, rather
> than having a compatible, but completely useless VM.

And a few years later we did change the default.

1.2 uses writeback by default.

Really, the solution is a proper UI that says "XP? IDE is that
direction.  2k8? AHCI is that direction.  Linux? virtio be it" and does
it automatically for the user.

Paolo