From: Alan Ott <a...@signal11.us> Date: Tue, 02 Apr 2013 22:25:28 -0400
> The workqueue in mac802154 is only needed because the current mac802154 > xmit() function is designed to be blocking and synchronous. > > Prior to my patch (#3/6), that very same workqueue would actually queue > up packets (without bound). That's what my patch fixes. > > The workqueue in mac802154 also serializes the access to the device for > other functions like setting the channel, ensuring that in the driver > code, one doesn't have to mutex everything. I'm not sure if that's the > "right" way to do it, but that's the way it was when I got here. This is entirely duplicating existing facilities. Your desire to allow blockability during xmit() on the basis of mutual exclusion is not well founded. -- 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/
