linux-kernel - Re: [PATCH v2 04/17] vdpa_sim: remove the limit of IOTLB entries

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Message-ID: <20201130112435.sbxqi2wpm3vlmpfi@steredhat>
Date:   Mon, 30 Nov 2020 12:24:35 +0100
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     virtualization@...ts.linux-foundation.org,
        Stefan Hajnoczi <stefanha@...hat.com>,
        linux-kernel@...r.kernel.org, Laurent Vivier <lvivier@...hat.com>,
        Max Gurtovoy <mgurtovoy@...dia.com>,
        "Michael S. Tsirkin" <mst@...hat.com>, Eli Cohen <elic@...dia.com>
Subject: Re: [PATCH v2 04/17] vdpa_sim: remove the limit of IOTLB entries

On Mon, Nov 30, 2020 at 11:07:08AM +0800, Jason Wang wrote:
>
>On 2020/11/26 下午10:49, Stefano Garzarella wrote:
>>The simulated devices can support multiple queues, so this limit
>>should be defined according to the number of queues supported by
>>the device.
>>
>>Since we are in a simulator, let's simply remove that limit.
>>
>>Suggested-by: Jason Wang <jasowang@...hat.com>
>>Acked-by: Jason Wang <jasowang@...hat.com>
>>Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>
>>---
>>v2:
>>- added VDPASIM_IOTLB_LIMIT macro [Jason]
>
>
>Sorry for being unclear. I meant adding a macro like
>
>VHOST_IOTLB_UNLIMITED 0 in vhost_iotlb.h.
>
>And use that in vdpa_sim.

Got it :-) I'll fix adding the macro in another patch and using it in 
this one.

Thanks,
Stefano