On 2020/12/9 下午6:58, Stefano Garzarella wrote:
On Mon, Dec 07, 2020 at 12:00:07PM +0800, Jason Wang wrote:
On 2020/12/4 上午1:04, 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@xxxxxxxxxx>
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
Rethink about this, since simulator can be used by VM, so the
allocation is actually guest trigger-able when vIOMMU is enabled.
This means we need a limit somehow, (e.g I remember swiotlb is about
64MB by default). Or having a module parameter for this.
Btw, have you met any issue when using 2048, I guess it can happen
when we run several processes in parallel?
No, I didn't try with the limit.
This came from the reviews to Max's patches.
Anyway I can add a module parameter to control that limit, do you
think is better to set a limit per queue (the parameter per number of
queues), or just a value for the entire device?
Per-device should be ok.
Thanks
Thanks,
Stefano
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