Re: [PATCH v2] kvm: Disable MSI/MSI-X in assigned device reset path

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On 2012-04-16 17:06, Michael S. Tsirkin wrote:
> On Mon, Apr 16, 2012 at 08:03:17AM -0600, Alex Williamson wrote:
>> The discussion on this patch seems to have fizzled, with no clear short
>> term solution.
> 
> I think we are in concensus, it's just that there are
> multiple bugs still left to fix.
> 
> First, we need to prevent guest from touching command
> register except for the bus master bit. Something like

INTx is harmless as well. Denying access breaks masking for the guest.

Jan

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Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
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