On Thu, Feb 10, 2011 at 04:25:11PM +0100, Alexander Graf wrote: > Kevin O'Connor wrote: > > On Tue, Feb 08, 2011 at 12:57:41AM +0100, Alexander Graf wrote: > >> Do you remember why you put AHCI in with default=n? I'd like to see > >> it enabled in Qemu 0.14 and IIUC we use the default configuration > >> for that. > > The reason for not enabling it by default was for two reasons - it had > > not been tested on real hardware, and it was unclear if doing the jump > > into 32bit mode would have adverse impact. > > Do you have to do the jump even when AHCI is unused? If no, it shouldn't > hurt, right?
The 32bit jump is only done if an AHCI drive is found and one tries to read/write to it. -Kevin
