On Mon, Oct 26, 2015 at 10:28:45AM -0400, ira.weiny@xxxxxxxxx wrote: > From: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx> > > The workqueue is currently single threaded per port which for a small number of > SDMA engines is ok. > > For hfi1, the there are up to 16 SDMA engines that can be fed descriptors in > parallel. > > This patch: > - Converts to use alloc_workqueue > - Changes the workqueue limit from 1 to num_sdma > - Makes the queue WQ_CPU_INTENSIVE and WQ_HIGHPRI > - The sdma_engine now has a cpu that is initialized > as the MSI-X vectors are setup > - Adjusts the post send logic to call a new scheduler > that doesn't get the s_lock > - The new and old workqueue schedule now pass a > cpu > - post send now uses the new scheduler > - RC/UC QPs now pre-compute the sc, sde > - The sde wq is eliminated since the new hfi1_wq is > multi-threaded When you have to start enumerating all of the different things that your patch does, that's a huge hint that you need to break it up into smaller pieces. Please break this up, it's not acceptable as-is. thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
