On Thu, Sep 27, 2018 at 09:59:35AM +0200, Peter Zijlstra wrote: > On Thu, Sep 27, 2018 at 09:47:48AM +0200, Andrea Parri wrote: > > > LKMM in particular does _NOT_ deal with mixed sized atomics _at_all_. > > > > True, but it is nothing conceptually new to deal with: there're Cat > > models that handle mixed-size accesses, just give it time. > > Sure, but until that time I must not rely on (and thus not use) LKMM for > qspinlock things.
This is way too generic to be agreed ;D > > So while your argument about coherence might be true -- I'll have to > think about it; litmus tests are out the window. You trimmed the litmus test I gave you. Andrea