Taming DMA: Tales Wrestling Memory Corruption

Explore the intricacies of Direct Memory Access (DMA) in embedded systems through a 39-minute conference talk by Ahmad Fatoum from Pengutronix. Delve into the benefits and potential pitfalls of DMA, including its ability to free up CPU resources and the risks of memory corruption due to incorrect configuration. Learn from Fatoum's personal debugging experiences as he shares insights into Linux and barebox DMA API internals, ARM cache maintenance, and DMA controller limitations. Gain valuable knowledge about tracking down memory corruption issues and understanding the complex interplay between DMA and system performance in embedded environments.

Taming DMA: Tales Wrestling Memory Corruption - Ahmad Fatoum, Pengutronix