On Thu, Jul 20, 2023 at 8:10 PM Stefan Hajnoczi wrote:
>
> On Tue, Jul 04, 2023 at 01:06:25AM -0700, Mattias Nissler wrote:
> > It is not uncommon for device models to request mapping of several DMA
> > regions at the same time. An example is igb (and probably other net
> > devices as well) when a
On Tue, Jul 04, 2023 at 01:06:25AM -0700, Mattias Nissler wrote:
> +if (qatomic_dec_fetch(&bounce_buffers_in_use) == 1) {
> +cpu_notify_map_clients();
> }
About my comment regarding removing this API: I see the next patch does
that.
Stefan
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On Tue, Jul 04, 2023 at 01:06:25AM -0700, Mattias Nissler wrote:
> It is not uncommon for device models to request mapping of several DMA
> regions at the same time. An example is igb (and probably other net
> devices as well) when a packet is spread across multiple descriptors.
>
> In order to su
It is not uncommon for device models to request mapping of several DMA
regions at the same time. An example is igb (and probably other net
devices as well) when a packet is spread across multiple descriptors.
In order to support this when indirect DMA is used, as is the case when
running the devic
