Re: [GIT PULL] locking changes for v4.4

From: Paul E. McKenney
Date: Wed Nov 04 2015 - 08:55:47 EST


On Wed, Nov 04, 2015 at 12:37:01PM +0100, Peter Zijlstra wrote:
> On Tue, Nov 03, 2015 at 05:30:29PM -0800, Linus Torvalds wrote:
> > From 105ff3cbf225036b75a6a46c96d1ddce8e7bdc66 Mon Sep 17 00:00:00 2001
> > From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> > Date: Tue, 3 Nov 2015 17:22:17 -0800
> > Subject: [PATCH] atomic: remove all traces of READ_ONCE_CTRL() and atomic*_read_ctrl()
>
> > So I do not see how these "x_ctrl()" functions can currently be necessary.
>
> > Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> > Cc: Paul E McKenney <paulmck@xxxxxxxxxx>
> > Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
> > Cc: Will Deacon <will.deacon@xxxxxxx>
> > Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> > Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
>
> Hooray!
>
> Now if only we could convince the C/C++ people that write speculation is
> a bad idea :-)

Sigh... Working on it...

Thanx, Paul

> Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
>

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