>>> I can't see how a write barrier that doesn't ensure the write has >>> reached the target (main or device memory) can be usefull.
>> [...]. But barriers that have nothing to do with write completion >> to the target can still be useful. [...] > That's not what the manpage documenting BUS_SPACE_BARRIER_SYNC says. > Read the manpage. Oh, what I wrote wasn't about BUS_SPACE_BARRIER_SYNC specifically. It was about barriers more generally, in response to "I can't see how a write barrier that doesn't ensure the write has reached the target (main or device memory) can be usefull". /~\ The ASCII Mouse \ / Ribbon Campaign X Against HTML mo...@rodents-montreal.org / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B
