Re: [PATCH 04/13] HV: Mark vmbus ring buffer visible to host in Isolation VM

[Tianyu Lan]

On 8/2/2021 8:59 PM, Joerg Roedel wrote:
> On Mon, Aug 02, 2021 at 08:56:29PM +0800, Tianyu Lan wrote:
> > Both second and third are HV_GPADL_RING type. One is send ring and the
> > other is receive ring. The driver keeps the order to allocate rx and
> > tx buffer. You are right this is not robust and will add a mutex to keep
> > the order.
>
> Or you introduce fixed indexes for the RX and TX buffers?

The interface just allocates a buffer and driver will continue to 
configure the buffer to be rx or tx after calling.