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

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Message-ID: <YQfsPv1WC7dnHGDu@8bytes.org>
Date:   Mon, 2 Aug 2021 14:59:42 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Tianyu Lan <ltykernel@...il.com>
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Subject: Re: [PATCH 04/13] HV: Mark vmbus ring buffer visible to host in
 Isolation VM

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?