Re: [PATCH v2 2/9] rcu: Add support for consolidated-RCU reader checking
From: Paul E. McKenney
Date: Tue Jul 16 2019 - 14:52:05 EST
On Tue, Jul 16, 2019 at 02:35:17PM -0400, Joel Fernandes wrote:
> On Tue, Jul 16, 2019 at 11:22:37AM -0700, Paul E. McKenney wrote:
> > On Fri, Jul 12, 2019 at 01:00:17PM -0400, Joel Fernandes (Google) wrote:
> > > This patch adds support for checking RCU reader sections in list
> > > traversal macros. Optionally, if the list macro is called under SRCU or
> > > other lock/mutex protection, then appropriate lockdep expressions can be
> > > passed to make the checks pass.
> > >
> > > Existing list_for_each_entry_rcu() invocations don't need to pass the
> > > optional fourth argument (cond) unless they are under some non-RCU
> > > protection and needs to make lockdep check pass.
> > >
> > > Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
> > If you fold in the checks for extra parameters, I will take this
> > one and also 1/9.
> I folded the checks in and also threw in the rcu-sync with Oleg's ack:
> Could you pull into /dev branch?
> git pull https://github.com/joelagnel/linux-kernel.git list-first-three
> (Based on your dev branch)
Given that I am going to have to rebase these a few times, please
email a v4.