On Wed, 29 Sep 2021 11:54:46 -0700 Alexei Starovoitov wrote: > I'm missing something. Why do we need a separate flush() helper? > Can't we do: > char buf[64], *p; > p = xdp_mb_pointer(ctx, flags, off, len, buf); > read/write p[] > if (p == buf) > xdp_store_bytes(ctx, off, buf, len, flags); Sure we can. That's what I meant by "leave the checking to the program". It's bike shedding at this point.
