On Tue, Sep 03, 2013 at 10:09:54AM -0400, Tejun Heo wrote: > On Tue, Sep 03, 2013 at 09:55:41AM -0400, Tejun Heo wrote: > > Hmmm.... I've been looking at the code and and a curiosity. Why does > > multiple MSI support implicitly enabled threaded IRQ handling? Why > > are those two linked? Also, do you have any numbers to show that this > > actually is better? Handling the processing off to a thread isn't a > > light operation. > > Also, it probably is a good idea to skip dummy ports when requesting > irqs from ahci_host_activate(), which BTW should probably be renamed > to ahci_host_activate_mmsi(). Hmm.. that is actually a great idea. What I am not sure about whether is a dummy port still can send (spurious?) interrupts? The hardware interrupt handler would have to be reworked then. Seems as a yet another topic to me ;) > -- > tejun -- Regards, Alexander Gordeev agordeev@xxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
