On Thu, Jul 20, 2023 at 8:14 PM Stefan Hajnoczi wrote:
>
> On Tue, Jul 04, 2023 at 01:06:26AM -0700, Mattias Nissler wrote:
> > According to old commit messages, this was introduced to retry a DMA
> > operation at a later point in case the single bounce buffer is found to
> > be busy. This was nev
On Tue, Jul 04, 2023 at 01:06:26AM -0700, Mattias Nissler wrote:
> According to old commit messages, this was introduced to retry a DMA
> operation at a later point in case the single bounce buffer is found to
> be busy. This was never used widely - only the dma-helpers code made use
> of it, but t
According to old commit messages, this was introduced to retry a DMA
operation at a later point in case the single bounce buffer is found to
be busy. This was never used widely - only the dma-helpers code made use
of it, but there are other device models that use multiple DMA mappings
(concurrently