Hi Eliezer, (If I'm too late then a future note...) Why make polling a system-wide configuration? Wouldn't it make more sense to implement a sock option? An even better solution might be aggregation/combination of both types of configurations.
-- Yaniv Sa'ar On Wed, May 29, 2013 at 5:14 PM, Or Gerlitz <or.gerl...@gmail.com> wrote: > On Wed, May 29, 2013 at 9:39 AM, Eliezer Tamir > <eliezer.ta...@linux.intel.com> wrote: >> Adds a new ndo_ll_poll method and the code that supports and uses it. >> This method can be used by low latency applications to busy poll Ethernet >> device queues directly from the socket code. The value of sysctl_net_ll_poll >> controls how many microseconds to poll. Set to zero to disable. > > Unlike with TCP sockets, UDP sockets may receive packets from multiple > sources and hence the receiving context may be steered to be executed > on different cores through RSS or other Flow-Steering HW mechanisms > which could mean different napi contexts for the same socket, is that > a problem here? what's the severity? > > Or. > -- > 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/ -- 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/
