Re: [PATCH 2/3] softmmu: Remove DMA unmap notification callback

2023-08-23 Thread Mattias Nissler
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

Re: [PATCH 2/3] softmmu: Remove DMA unmap notification callback

2023-07-20 Thread Stefan Hajnoczi
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

[PATCH 2/3] softmmu: Remove DMA unmap notification callback

2023-07-04 Thread Mattias Nissler
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