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Commit 2ab08ee9 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

arc,hexagon: Delete asm/barrier.h 



Both already use asm-generic/barrier.h as per their
include/asm/Kbuild. Remove the stale files.

Signed-off-by: default avatarPeter Zijlstra <peterz@infradead.org>
Acked-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-c7vlkshl3tblim0o8z2p70kt@git.kernel.org


Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: linux-hexagon@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent e4f9bfb3

arch/arc/include/asm/barrier.h

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Original line number Diff line number Diff line 
/*

 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */



#ifndef __ASM_BARRIER_H

#define __ASM_BARRIER_H



#ifndef __ASSEMBLY__



/* TODO-vineetg: Need to see what this does, don't we need sync anywhere */

#define mb() __asm__ __volatile__ ("" : : : "memory")

#define rmb() mb()

#define wmb() mb()

#define set_mb(var, value)  do { var = value; mb(); } while (0)

#define set_wmb(var, value) do { var = value; wmb(); } while (0)

#define read_barrier_depends()  mb()



/* TODO-vineetg verify the correctness of macros here */

#ifdef CONFIG_SMP

#define smp_mb()        mb()

#define smp_rmb()       rmb()

#define smp_wmb()       wmb()

#else

#define smp_mb()        barrier()

#define smp_rmb()       barrier()

#define smp_wmb()       barrier()

#endif



#define smp_read_barrier_depends()      do { } while (0)



#endif



#endif

arch/hexagon/include/asm/barrier.h

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Original line number Diff line number Diff line 
/*

 * Memory barrier definitions for the Hexagon architecture

 *

 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA.

 */



#ifndef _ASM_BARRIER_H

#define _ASM_BARRIER_H



#define rmb()				barrier()

#define read_barrier_depends()		barrier()

#define wmb()				barrier()

#define mb()				barrier()

#define smp_rmb()			barrier()

#define smp_read_barrier_depends()	barrier()

#define smp_wmb()			barrier()

#define smp_mb()			barrier()



/*  Set a value and use a memory barrier.  Used by the scheduler somewhere.  */

#define set_mb(var, value) \

	do { var = value; mb(); } while (0)



#endif /* _ASM_BARRIER_H */