[dpdk-dev] [PATCH 3/4] vhost: log vring changes

[Yuanhan Liu]

On Wed, Dec 02, 2015 at 04:07:02PM +0200, Victor Kaplansky wrote:
> On Wed, Dec 02, 2015 at 11:43:12AM +0800, Yuanhan Liu wrote:
> > Invoking vhost_log_write() to mark corresponding page as dirty while
> > updating used vring.
> 
> Looks good, thanks!
> 
> I didn't find where you log the dirty pages in result of data
> written to the buffers pointed by the descriptors in RX vring.
> AFAIU, the buffers of RX queue reside in guest's memory and have
> to be marked as dirty if they are written. What do you say?

Yeah, we should. I got a question then: why log_guest_addr is set
to the physical address of used vring in guest? I mean, apparently,
we need log more changes other than used vring only.

	--yliu