[Gllug] Letting Bohcs, UML or vmware have direct access to a PCI card or a SCSI device (not disk).

[Nix]

On Fri, 16 Sep 2005, Russell Howe gibbered uncontrollably:
> On Thu, Sep 15, 2005 at 11:58:26PM +0100, Nix wrote:
>> On Thu, 15 Sep 2005, nix at esperi.org.uk prattled cheerily:
>> 
>> (and missed a bit)
>> 
>> > I hope that direct access to a SCSI device
>> 
>> from a non-privileged process
> 
> Hm.. if it's a virtual machine, surely by definition it's
> non-privileged, as you shouldn't be able to break out of it (which is
> what allowing arbitrary SCSI commands would do, right?)

That depends on whether the VM is executing non-privileged code. A VM
executing non-privileged code shouldn't allow that code to send
arbitrary SCSI commands.

(See innumerable silly rants by Joerg Schilling.)

-- 
`One cannot, after all, be expected to read every single word
 of a book whose author one wishes to insult.' --- Richard Dawkins
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