On Sun, May 29, 2011 at 09:54:50PM +0200, Ingo Molnar wrote: > > * Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > > > And the other reason that you want to mark the readers is for debug > > purposes. Murphy being who he is, you will some day need to check > > for someone calling the "OK to update" function while they are > > acting as a reader. > > Correct. In one of the previous mails i suggested a debug mode that > switches it all to pthread rwlocks. > > We do not want to lose the identify of what the read paths are: this > could grow into a BKL-alike nasty-to-fix assumption over a couple of > years! Then if someone finds a usecase that intensifies the frequency > of one of the key writepaths, we'll be in trouble ... "BKR" -- Big Kernel Reader! ;-) Thanx, Paul -- 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
