Anthony Liguori wrote: > > BTW, when we set O_ASYNC on the tap fd, we're eliminating O_NONBLOCK. > This means that we have to poll loop select() when readv()'ing packets > instead of just reading until hitting AGAIN. This means at least an > extra syscall per packet.
I didn't know that O_ASYNC and O_NONBLOCK were mutually exclusive. Can you point me at the relevant documentation? -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel