On Wed, 2013-01-23 at 01:28 +0530, Srivatsa S. Bhat wrote: > > I thought global locks are now fair. That is, a reader will block if a > > writer is waiting. Hence, the above should deadlock on the current > > rwlock_t types. > > > > Oh is it? Last I checked, lockdep didn't complain about this ABBA scenario!
It doesn't and Peter Zijlstra said we need to fix that ;-) It only recently became an issue with the new "fair" locking of rwlocks. -- Steve _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
