NetBSD-Bugs archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: port-xen/47057: Xen NetBSD DomU file system trash under Linux Dom0



On Sun, Oct 21, 2012 at 8:00 PM, Manuel Bouyer 
<bouyer%antioche.eu.org@localhost> wrote:
> Does linux do this silently, or does it complain when the ring
> corruption occurs ?

With the patch attached in the previous post, we will do the same as
Linux (reset indexes and printk). I've never seen that happen in
Linux, so I'm not sure if there's anything else.

>> Is it possible that someone writes to the machine address
>> xen_start_info.store_mfn and is there anyway to check that nobody is
>> mapping this ma to another va?
>
> I've been thinking about checking this, but it's harder to do.
> Maybe it's easier to do this check in the hypervisor ?

Will check that, not sure if there's an easy way to this in the hypervisor.


Home | Main Index | Thread Index | Old Index