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Re: [Qemu-devel] [sneak preview] major scsi overhaul

From: Ryan Harper
Subject: Re: [Qemu-devel] [sneak preview] major scsi overhaul
Date: Mon, 16 Nov 2009 13:08:23 -0600
User-agent: Mutt/1.5.6+20040907i

* Gerd Hoffmann <address@hidden> [2009-11-16 12:38]:
> On 11/11/09 17:38, Paul Brook wrote:

> >>>It may be that it's
> >>>hard/impossible to get both command queueing and zero-copy.
> >>
> >>I have it working.
> >
> >More likely you have a nasty hack that happens to work with the Linux 
> >drivers.
> Linux works.  Windows XP works.  FreeBSD works.  More regression testing 
> is planned.
> Suggestions for other guests which might be sensitive to changes like 
> this?  Maybe even some which don't work with the current lsi emulation?

XP 64-bit, 2k3 32/64, 2k8 32/64

64-bit is important because the DMA mode of the lsi driver is different
when the 64-bit versions of the win drivers.

Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx

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