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

From: Peter Zijlstra
Date: Wed Nov 04 2015 - 06:37:14 EST


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 :-)

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/