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From:   Joerg Roedel <joro@8bytes.org>
To:     Tianyu Lan <ltykernel@gmail.com>
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Subject: Re: [PATCH 04/13] HV: Mark vmbus ring buffer visible to host in
 Isolation VM
Message-ID: <YQfsPv1WC7dnHGDu@8bytes.org>
References: <20210728145232.285861-1-ltykernel@gmail.com>
 <20210728145232.285861-5-ltykernel@gmail.com>
 <YQfgH04t2SqacnHn@8bytes.org>
 <173823d1-280c-d34e-be2c-157b55bb6bc3@gmail.com>
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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?