Vu Tang

[XDMA] always get IRQ by calling poll() /dev/xdma0_event_0 even when no IRQ occurs

4

With this code, poll() function will return even when no IRQ occurs. ``` struct pollfd pfd; pfd.fd = open("/dev/xdma0_events_0", O_RDONLY); if (pfd.fd == -1) { perror("open event file:"); exit(EXIT_FAILURE); }...

XDMA: transmission time (both H2C and C2H) is not stable

13

Hi all, I have a problem with transmission time in H2C and C2H. For example, when transferring 180KB data from H2C, XDMA takes about 80us. But when I run test...