On 25 January 2013 14:34, Andy Shevchenko <andy.shevche...@gmail.com> wrote: > Okay, we have to have a protection here because get_sent reads two > registers consequentially. This means we could end up with scenario > with threads 1 and 2 > > 1. read ctlhi > 2. write ctlhi > 2. write ctllo > 1. read ctllo
Who is going to right on ctlhi/lo? we write to ctlhi/lo only when we program new transfer. and that is not going to happen while we are in middle of a transfer. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
