interesting question/observation...never noticed this...just making a guess:
when sending out.....multiple CPUs may simultaneously want to send out together... but when coming back.....per network card.....all packet is already serialized by the hardware....so since this driver is per-piece of hardware....should not be a problem? On Fri, May 29, 2009 at 6:49 PM, Lal <learner.ker...@gmail.com> wrote: > In e1000_clean function in drivers/net/e1000_main.c file, tx_ring[0] > is protected by spin lock to prevent from being cleaned by multiple > cpus simultaneously, but rx_ring[0] is not. > > Why rx_ring[0] is not protected from multiple cpus ? > > Thanks > -Lal > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to ecar...@nl.linux.org > Please read the FAQ at http://kernelnewbies.org/FAQ > > -- Regards, Peter Teoh ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel