linux-kernel - [tip:core/locking] x86, um: Add generic barrier.h

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Date:	Tue, 28 Jan 2014 11:25:12 -0800
From:	tip-bot for Peter Zijlstra <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, jdike@...toit.com, hpa@...or.com,
	mingo@...nel.org, peterz@...radead.org, richard@....at,
	tglx@...utronix.de
Subject: [tip:core/locking] x86, um: Add generic barrier.h

Commit-ID:  673c36745c9f3100672853840b27e27638435e74
Gitweb:     http://git.kernel.org/tip/673c36745c9f3100672853840b27e27638435e74
Author:     Peter Zijlstra <peterz@...radead.org>
AuthorDate: Tue, 28 Jan 2014 15:12:36 +0100
Committer:  Ingo Molnar <mingo@...nel.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@...radead.org>
Cc: Jeff Dike <jdike@...toit.com>
Cc: Richard Weinberger <richard@....at>
Link: http://lkml.kernel.org/n/tip-rcmiqb07nyuhtsnmanxlj3il@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/um/include/asm/Kbuild | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index fdde187..fb3a6cc 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -4,3 +4,4 @@ generic-y += ftrace.h pci.h io.h param.h delay.h mutex.h current.h exec.h
 generic-y += switch_to.h clkdev.h
 generic-y += trace_clock.h
 generic-y += preempt.h
+generic-y += barrier.h
--
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