linux-kernel - Re: [GIT PULL tip/core/rcu] RCU, LKMM, and KCSAN commits for v5.14

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Message-ID: <YNx0CaT2ZTyuNYCK@gmail.com>
Date:   Wed, 30 Jun 2021 15:39:21 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     eb@...ix.com, frederic@...nel.org, jbi.octave@...il.com,
        maninder1.s@...sung.com, qiang.zhang@...driver.com,
        urezki@...il.com, yury.norov@...il.com, zhouzhouyi@...il.com,
        mark.rutland@....com, elver@...gle.com, bjorn.topel@...el.com,
        akiyks@...il.com, linux-kernel@...r.kernel.org,
        rcu@...r.kernel.org, kasan-dev@...glegroups.com, tglx@...utronix.de
Subject: Re: [GIT PULL tip/core/rcu] RCU, LKMM, and KCSAN commits for v5.14


* Paul E. McKenney <paulmck@...nel.org> wrote:

> Hello, Ingo!
> 
> This pull request contains changes for RCU, KCSAN, and LKMM.  You can
> pull the entire group using branch for-mingo.  Or, if you prefer, you
> can pull them separately, using for-mingo-rcu to pull the RCU changes,
> for-mingo-kcsan to pull the KCSAN changes, and for-mingo-lkmm to pull
> the LKMM changes.
> 
> The changes are as follows:
> 
> 1.	RCU changes (for-mingo-rcu):
> 
> 	a.	Bitmap support for "all" as alias for all bits, and with
> 		modifiers allowed, courtesy of Yury Norov.  This change
> 		means that "rcu_nocbs=all:1/2" would offload all the
> 		even-numbered CPUs regardless of the number of CPUs on
> 		the system.
> 		https://lore.kernel.org/lkml/20210511224115.GA2892092@paulmck-ThinkPad-P17-Gen-1
> 
> 	b.	Documentation updates.
> 		https://lore.kernel.org/lkml/20210511224402.GA2892361@paulmck-ThinkPad-P17-Gen-1
> 
> 	c.	Miscellaneous fixes.
> 		https://lore.kernel.org/lkml/20210511225241.GA2893003@paulmck-ThinkPad-P17-Gen-1
> 
> 	d.	kvfree_rcu updates, courtesy of Uladzislau Rezki and Zhang Qiang.
> 		https://lore.kernel.org/lkml/20210511225450.GA2893337@paulmck-ThinkPad-P17-Gen-1
> 
> 	e.	mm_dump_obj() updates, courtesy of Maninder Singh, acked
> 		by Vlastimil Babka.
> 		https://lore.kernel.org/lkml/20210511225744.GA2893615@paulmck-ThinkPad-P17-Gen-1
> 
> 	f.	RCU callback offloading updates, courtesy of Frederic
> 		Weisbecker and Ingo Molnar.  ;-)
> 		https://lore.kernel.org/lkml/20210511230244.GA2894061@paulmck-ThinkPad-P17-Gen-1
> 
> 	g.	SRCU updates, courtesy of Frederic Weisbecker.
> 		https://lore.kernel.org/lkml/20210511230720.GA2894512@paulmck-ThinkPad-P17-Gen-1
> 
> 	h.	Tasks-RCU updates.
> 		https://lore.kernel.org/lkml/20210511230924.GA2894768@paulmck-ThinkPad-P17-Gen-1
> 
> 	i.	Torture-test updates.
> 		https://lore.kernel.org/lkml/20210511231149.GA2895263@paulmck-ThinkPad-P17-Gen-1

Pulled into tip:core/rcu.

> 2.	Kernel concurrency sanitizer (KCSAN) updates from Marco Elver
> 	and Mark Rutland (for-mingo-kcsan).
> 	https://lore.kernel.org/lkml/20210511232324.GA2896130@paulmck-ThinkPad-P17-Gen-1

Pulled into tip:locking/urgent.

> 3.	Linux-kernel memory model (LKMM) updates courtesy of Bjï¿½rn Tï¿½pel
> 	(for-mingo-lkmm).
> 	https://lore.kernel.org/lkml/20210305102823.415900-1-bjorn.topel@gmail.com

Pulled into tip:locking/urgent.

Thanks Paul, and sorry about the late response! Will get these to Linus 
ASAP if you don't beat me at it.

	Ingo