On Thu, Feb 14, 2008 at 12:30:51PM -0600, Corey Minyard wrote: > From: Konstantin Baydarov <[EMAIL PROTECTED]> > > Atomics are a lot more efficient and neat than using a lock.
per_cpu variables are a lot more efficient and neat than using locks for simple statistics. no cache line bouncing to increment the counter. Are these read so often that atomics are really better? Thanks, Matt -- Matt Domsch Linux Technology Strategist, Dell Office of the CTO linux.dell.com & www.dell.com/linux -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
