On Mon, 5 Apr 2010 11:24:14 pm Amit Shah wrote: > If the host port is not open, a write() should either just return if the > file is opened in non-blocking mode, or block till the host port is > opened. > > Also, don't spin till host consumes data for nonblocking ports. For > non-blocking ports, we can do away with the spinning and reclaim the > buffers consumed by the host on the next write call or on the condition > that'll make poll return.
I'm only reading the patch so I might have missed it, but what's the locking going on here? Can we race thinking we're full or not full incorrectly? But the basic approach of this series seems good! Thanks, Rusty. _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
