From: Peter Zijlstra <peterz@infradead.org>
To: mingo@kernel.org, hpa@zytor.com, jdike@addtoit.com,
linux-kernel@vger.kernel.org, richard@nod.at, tglx@linutronix.de
Cc: linux-tip-commits@vger.kernel.org
Subject: Re: [tip:core/locking] x86, um: Add generic barrier.h
Date: Tue, 28 Jan 2014 20:30:57 +0100 [thread overview]
Message-ID: <20140128193057.GG11314@laptop.programming.kicks-ass.net> (raw)
In-Reply-To: <tip-rcmiqb07nyuhtsnmanxlj3il@git.kernel.org>
On Tue, Jan 28, 2014 at 11:25:12AM -0800, tip-bot for Peter Zijlstra wrote:
> Commit-ID: 673c36745c9f3100672853840b27e27638435e74
> Gitweb: http://git.kernel.org/tip/673c36745c9f3100672853840b27e27638435e74
> Author: Peter Zijlstra <peterz@infradead.org>
> AuthorDate: Tue, 28 Jan 2014 15:12:36 +0100
> Committer: Ingo Molnar <mingo@kernel.org>
> CommitDate: Tue, 28 Jan 2014 15:27:36 +0100
>
> x86, um: Add generic barrier.h
>
> It appears arch/um doesn't have any asm/barrier.h; cure this by
> including the generic one. Since UM is !SMP the defaults are good
> enough.
>
> ( The motivation are the latest MCS locking patches which use generic
> barriers. )
>
> Signed-off-by: Peter Zijlstra <peterz@infradead.org>
> Cc: Jeff Dike <jdike@addtoit.com>
> Cc: Richard Weinberger <richard@nod.at>
I just talked to rw on IRC and he pointed out that commit 9af2452
(already in Linus' tree) does the same.
prev parent reply other threads:[~2014-01-28 19:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-28 19:25 [tip:core/locking] x86, um: Add generic barrier.h tip-bot for Peter Zijlstra
2014-01-28 19:30 ` Peter Zijlstra [this message]
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