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

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On 2012-04-16 18:08, Michael S. Tsirkin wrote:
> On Mon, Apr 16, 2012 at 05:10:07PM +0200, Jan Kiszka wrote:
>> 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.
> 
> We currently mark intx as emulated, no?

If we use the mask also in the kernel for IRQ sharing, we *monitor* it.

> Anyway - care fixing it properly?

There is nothing to fix.

Jan

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