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Date:   Mon, 2 Aug 2021 21:08:52 +0800
From:   Tianyu Lan <>
To:     Joerg Roedel <>
Subject: Re: [PATCH 04/13] HV: Mark vmbus ring buffer visible to host in
 Isolation VM

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.

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