Am Donnerstag, dem 02.11.2023 um 11:48 +0100 schrieb Christian König: [...] > I was considering to change the dma_fence semantics so that > dma_fence_signal() could only be called from the interrupt contexts of > devices and then put a big fat WARN_ON(!in_interrupt()) in there. > > It's a sledgehammer, but as far as I can see the only thing which might > help. Opinions?
That's not going to fly. As soon as you are dealing with device drivers that use IRQ threads, either voluntarily or even involuntarily on RT kernels, the dma_fence_signal will be from process context. Regards, Lucas
