linux-kernel - Re: [PATCH RFC 0/7] rcu: v2 Inlinable preemptible rcu_read_lock() and rcu_read

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Date:	Sat, 14 Apr 2012 09:52:42 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com,
	dipankar@...ibm.com, akpm@...ux-foundation.org,
	mathieu.desnoyers@...icios.com, josh@...htriplett.org,
	niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, Valdis.Kletnieks@...edu, dhowells@...hat.com,
	eric.dumazet@...il.com, darren@...art.com, fweisbec@...il.com,
	patches@...aro.org
Subject: Re: [PATCH RFC 0/7] rcu: v2 Inlinable preemptible rcu_read_lock()
 and rcu_read_unlock()

On Sat, Apr 14, 2012 at 09:38:50AM -0700, Linus Torvalds wrote:
> On Sat, Apr 14, 2012 at 9:19 AM, Paul E. McKenney
> <paulmck@...ux.vnet.ibm.com> wrote:
> >
> > This series is version two of the inlinable versions of preemptible
> > RCU's __rcu_read_lock() and __rcu_read_unlock().
> 
> Btw, what is this supposed to apply on top of? It doesn't seem to
> apply cleanly to either v3.3, v3.4-rc[12], or current top-of-tree.
> 
> I can make it apply by reducing the context to just one line for
> patch#6, but your base seems to be odd.

My next step is to forward-port to 4.4-rc2, retest, and expose to -next.
The base is on top of the series that was pulled into the 4.4 merge window,
but on their base on top of 3.4-rc4.

I probably should have forward-ported before submitting, but I was so
happy about it finally actually passing a moderate version of the full
set of rcutorture tests that I just couldn't restrain myself.

							Thanx, Paul

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