Re: [PATCH v7 2/5] softmmu: Support concurrent bounce buffers

2024-02-29 Thread Heinrich Schuchardt
On 12.02.24 09:06, Mattias Nissler wrote: When DMA memory can't be directly accessed, as is the case when running the device model in a separate process without shareable DMA file descriptors, bounce buffering is used. It is not uncommon for device models to request mapping of several DMA

Re: [PATCH v7 2/5] softmmu: Support concurrent bounce buffers

2024-02-12 Thread Jonathan Cameron via
On Mon, 12 Feb 2024 00:06:14 -0800 Mattias Nissler wrote: > When DMA memory can't be directly accessed, as is the case when > running the device model in a separate process without shareable DMA > file descriptors, bounce buffering is used. > > It is not uncommon for device models to request

[PATCH v7 2/5] softmmu: Support concurrent bounce buffers

2024-02-12 Thread Mattias Nissler
When DMA memory can't be directly accessed, as is the case when running the device model in a separate process without shareable DMA file descriptors, bounce buffering is used. It is not uncommon for device models to request mapping of several DMA regions at the same time. Examples include: *