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Date: Tue, 16 Jul 2019 14:35:17 -0400
From: Joel Fernandes <>
To: "Paul E. McKenney" <>
Cc:, Alexey Kuznetsov <>,
	Bjorn Helgaas <>, Borislav Petkov <>,, "David S. Miller" <>,,
	Greg Kroah-Hartman <>,
	Hideaki YOSHIFUJI <>,
	"H. Peter Anvin" <>, Ingo Molnar <>,
	Jonathan Corbet <>,
	Josh Triplett <>,,,,
	Lai Jiangshan <>, Len Brown <>,,,,,
	Mathieu Desnoyers <>,,, Oleg Nesterov <>,
	Pavel Machek <>,,
	"Rafael J. Wysocki" <>,
	Rasmus Villemoes <>,,
	Steven Rostedt <>, Tejun Heo <>,
	Thomas Gleixner <>,,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <>
Subject: Re: [PATCH v2 2/9] rcu: Add support for consolidated-RCU reader

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) <>
> 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 list-first-three
(Based on your dev branch)

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