Query on mechanisms to communicate between kernel modules in Linux

Hi, I want to share information between two kernel modules (Kernel version 4.0 or above). What are the ways of communication between kernel modules in Linux. Please list out the available mechanisms to do this. Thanks & Regards Neil Thomas ___ Kernelne

Re: map DMA buffer with dma engine in another device ?

On Wed, 07 Feb 2018 16:15:12 +0200, Ran Shalit said: > On viewing PCI driver, I see that dma buffer are allocated even while > the dma engine is actually in the EP device. > Is there any sense in doing this ? If the buffers weren't allocated by the PCI driver, where would the dma engine in the EP

Re: Logitech HID confusion

Hi, DJ is a protocol for splitting the events from multiple devices that use the same unifying receiver. There is some documentation here : https://drive.google.com/drive/folders/0BxbRzx7vEV7eWmgwazJ3NUFfQ28. 2018-02-06 23:35 GMT+01:00 Christoph Böhmwalder : > Kind of off topic for this list, but

map DMA buffer with dma engine in another device ?

Hello, On viewing PCI driver, I see that dma buffer are allocated even while the dma engine is actually in the EP device. Is there any sense in doing this ? Thanks, Ran ___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernel