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[Qemu-devel] Re: AHCI in SeaBIOS
From: |
Kevin O'Connor |
Subject: |
[Qemu-devel] Re: AHCI in SeaBIOS |
Date: |
Thu, 10 Feb 2011 10:33:39 -0500 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
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