On Wed, Aug 21, 2024 at 06:38:45AM +0800, Hillf Danton wrote: Hillf, your email client is STILL broken. It's using the same message ID as the email it's replying to, which causes all kinds of problems. Please fix it or change to a different client. > On Tue, 20 Aug 2024 13:54:17 -0400 "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx> > > > > The write lock should be held when validating the tree to avoid updates > > racing with checks. Holding the rcu read lock during a large tree > > validation may also cause a prolonged rcu read window. > > > >From the rcu stall's view, holding spin lock plays the same role of rcu > read lock, so what are you fixing by simply dropping rcu read lock? He's not holding a spinlock, he's holding a mutex, which has very different properties.
