Re: [External] - Re: DMA with EVL-attached Thread

2022-02-10 Thread Jan Kiszka via Xenomai
Kiszka > Sent: Wednesday, February 9, 2022 11:29 PM > To: Russell Johnson ; xenomai@xenomai.org > Subject: [External] - Re: DMA with EVL-attached Thread > > CAUTION: This email originated from outside of the organization. Do not click > links or open attachments unless you recognize t

RE: [External] - Re: DMA with EVL-attached Thread

2022-02-10 Thread Russell Johnson via Xenomai
: [External] - Re: DMA with EVL-attached Thread CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. On 10.02.22 00:00, Russell Johnson via Xenomai wrote: > Hello, > > I currently h

Re: DMA with EVL-attached Thread

2022-02-09 Thread Jan Kiszka via Xenomai
On 10.02.22 00:00, Russell Johnson via Xenomai wrote: > Hello, > > I currently have a DMA driver written based on the Linux DMA API found here: > https://www.kernel.org/doc/Documentation/DMA-API-HOWTO.txt. I have multiple > realtime threads in my userspace app that have to make constant DMA >

DMA with EVL-attached Thread

2022-02-09 Thread Russell Johnson via Xenomai
Hello, I currently have a DMA driver written based on the Linux DMA API found here: https://www.kernel.org/doc/Documentation/DMA-API-HOWTO.txt. I have multiple realtime threads in my userspace app that have to make constant DMA transfers. I have not seen any issue with DMA throughput using the