On 03/15/2012 11:21 AM, Takuya Yoshikawa wrote: > Checking wheter iter->desc is NULL is not worth a function call > especially when we use EPT/NPT because we know it would almost always > be NULL. > > Although using "inline" like this does not look clean, we could see > measurable performance improvements: get_dirty_log for 1GB dirty memory > became faster by more than 10% on my test box. >
WOW. I'd have assumed the processor deals better with this; it should be 100% predicted branches. But I won't argue with cold data. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
