Re: [virtio] [PATCH 2/4] virtio-blk: clarify what seg_max and size_max are for

[Paolo Bonzini <pbonzini@redhat.com>]

On 14/09/2018 07:51, Michael S. Tsirkin wrote:
>>> Since it's SHOULD NOT for driver, I think another assumption is that
>>> device must handle such huge requests anyway then?
>> Not really, the idea was that it's okay if the driver sends huge
>> requests, but it has to expect the error case.  OTOH the device is free
>> to handle huge requests if it wishes to.
>>
>> Paolo
> Right but it must not crash or hang or set NEEDS_RESET
> as a result, right?

Right.  Is it okay to add a footnote?  Or course any device MUST NOT
crash or hang as a result of sending to big a buffer, but for other
devices setting NEEDS_RESET may be okay.

Paolo

> It must use the request even if
> it's with error.  I think spec should clarify that.
>