On 10.07.2013, at 12:39, Benjamin Herrenschmidt wrote: > On Wed, 2013-07-10 at 12:33 +0200, Alexander Graf wrote: >> >> It's not exactly obvious that you're calling it with writing == 1 :). >> Can you create a new local variable "is_write" in the calling >> function, set that to 1 before the call to get_user_pages_fast and >> pass it in instead of the 1? The compiler should easily optimize all >> of that away, but it makes the code by far easier to read. > > Ugh ? > > Nobody else does that .... (look at futex :-) Yeah, that's fortunately code that I don't have to read :). Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html