From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@kernel.org>,
Dmitry Vyukov <dvyukov@google.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [GIT PULL] locking changes for v4.4
Date: Wed, 4 Nov 2015 05:55:31 -0800 [thread overview]
Message-ID: <20151104135531.GT29027@linux.vnet.ibm.com> (raw)
In-Reply-To: <20151104113701.GH17308@twins.programming.kicks-ass.net>
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@linux-foundation.org>
> > 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@chello.nl>
> > Cc: Paul E McKenney <paulmck@us.ibm.com>
> > Cc: Dmitry Vyukov <dvyukov@google.com>
> > Cc: Will Deacon <will.deacon@arm.com>
> > Cc: Ingo Molnar <mingo@kernel.org>
> > Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
>
> 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@infradead.org>
>
next prev parent reply other threads:[~2015-11-04 13:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-03 9:16 [GIT PULL] locking changes for v4.4 Ingo Molnar
2015-11-03 23:54 ` Linus Torvalds
2015-11-03 23:58 ` Linus Torvalds
2015-11-04 1:30 ` Linus Torvalds
2015-11-04 4:16 ` Paul E. McKenney
2015-11-04 14:51 ` Dmitry Vyukov
2015-11-04 16:01 ` Peter Zijlstra
2015-11-04 16:09 ` Dmitry Vyukov
2015-11-04 11:37 ` Peter Zijlstra
2015-11-04 13:55 ` Paul E. McKenney [this message]
2015-11-04 11:48 ` Ingo Molnar
2015-11-04 13:54 ` Paul E. McKenney
2015-11-04 14:56 ` Ingo Molnar
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