On Thu, Nov 10, 2011 at 8:04 AM, Andrew Morton <akpm at linux-foundation.org> wrote: > > Ho hum, I guess we stick with the original patch. ?It *should* work, as > long as all archtectures are doing the expected thing. ?But in this > situation it is bad of us to just hope that the architectures are doing > this. ?We should go and find out, rather than waiting for bug reports > to come in. ?Especially because in this case, bugs will take a very > long time indeed to even be noticed. > > One way to resolve this would be to ask the various arch maintainers! At least we can add the spin_lock just for x86 and s390, and leave a big comment saying we are waiting for the other arch to be fixed... Thanks.