On Wed, May 23, 2018 at 09:26:35AM -0700, Linus Torvalds wrote: > On Wed, May 23, 2018 at 8:35 AM Will Deacon <will.dea...@arm.com> wrote: > > > In other words, qrwlock requires consistent locking order wrt spinlocks. > > I *thought* lockdep already tracked and detected this. Or is that only with > with the sleeping versions?
There are patches in-flight to detect this: https://marc.info/?l=linux-kernel&m=152483640529740&w=2k as part of Boqun's work into recursive read locking. Will
