Hi Wolfram, On Tue, Jun 6, 2017 at 1:23 PM, Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote: >> I have it enabled all the time. So my devices may stop working... > > If you have enabled it all the time, then there won't be a difference > from now. Or? > > That also shows how rarely I2C DMA transfers are triggered from within > the kernel :) ... how rarely i2c DMA transfers from possibly unsafe buffers... Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds