Re: [Xen-devel] [PATCH] Move missing items from docs/misc/qemu-xen-security to SUPPORT.md

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 09.03.18 at 11:30, <george.dunlap@xxxxxxxxxx> wrote:
> On 03/09/2018 10:07 AM, Jan Beulich wrote:
>>>>> On 08.03.18 at 18:37, <lars.kurth@xxxxxxxxxx> wrote:
>>> --- a/SUPPORT.md
>>> +++ b/SUPPORT.md
>>> @@ -620,6 +620,7 @@ Note that other devices are available but not security 
>>> supported.
>>>  
>>>  ### x86/Emulated platform devices (QEMU):
>>>  
>>> +    Status, PCI host bridge: Supported
>>>      Status, piix3: Supported
>> 
>> That's way too generic imo: Any chipset will have a host bridge, so
>> its support is already included in the statement on which chipset
>> emulation(s) we support. By adding what you add, you could again
>> raise the expectation that any host bridge implementation in qemu
>> is supported.
> 
> Yes, when I saw Lars' patch I was trying to remember why those things
> weren't already copied over, and was pretty sure there was a good reason.
> 
> Are you saying, in effect, that "support for piix3" *implies* support
> for the PCI host bridge provided by the piix3 chipset?

Yes.

> If so, "PCI host bridge" was redundant, and may have been put in before
> piix3 was specified.

Likely.

Jan


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