On Fri, Aug 02, 2024 at 05:16:19PM +0200, Peter Zijlstra wrote: > On Wed, Jun 26, 2024 at 03:15:14PM -0700, Boqun Feng wrote: > > On Tue, Jun 25, 2024 at 07:38:15AM -0700, Paul E. McKenney wrote: > > > On Thu, Jun 20, 2024 at 10:54:34PM +0000, Carlos Llamas wrote: > > > > From: Zhiguo Niu <zhiguo.niu@xxxxxxxxxx> > > > > > > > > There is a deadlock scenario between lockdep and rcu when > > > > rcu nocb feature is enabled, just as following call stack: > > > > > > I have pulled this into -rcu for further review and testing. > > > > > > If someone else (for example, the lockdep folks) would like to take this: > > > > > > Acked-by: Paul E. McKenney <paulmck@xxxxxxxxxx> > > > > > > > FWIW, I add this patch and another one [1] to my tree: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/boqun/linux.git lockdep > > > > (based on today's tip/locking/core) > > > > I figured I have time to handle lockdep-only patches, which shouldn't > > be a lot. So Ingo & Peter, I'm happy to help. If you need me to pick up > > lockdep patches and send a PR against tip/master or tip/locking/core, > > please let me know. > > Sorry, I've been hopelessly behind on everything. Yes it would be nice > if you could help vacuum up some of the lockdep patches. > Glad I can help! I will send a PR to tip tree between rc2 and rc3. Regards, Boqun >