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| author | Ingo Molnar <mingo@kernel.org> | 2012-03-30 08:47:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-03-30 08:50:06 +0200 |
| commit | 186e54cbe1145f4d11e32fe10e7e20a11f1b27dd (patch) | |
| tree | 9b6cf3667a3ea90e0cec0ea7119688ba76c55a71 /arch/hexagon/include/asm/barrier.h | |
| parent | x86: Preserve lazy irq disable semantics in fixup_irqs() (diff) | |
| parent | Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff) | |
| download | linux-186e54cbe1145f4d11e32fe10e7e20a11f1b27dd.tar.xz linux-186e54cbe1145f4d11e32fe10e7e20a11f1b27dd.zip | |
Merge branch 'linus' into x86/urgent
Merge reason: Needed for include file dependencies.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/hexagon/include/asm/barrier.h')
| -rw-r--r-- | arch/hexagon/include/asm/barrier.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/barrier.h b/arch/hexagon/include/asm/barrier.h new file mode 100644 index 000000000000..a4ed6e26cb1d --- /dev/null +++ b/arch/hexagon/include/asm/barrier.h @@ -0,0 +1,41 @@ +/* + * Memory barrier definitions for the Hexagon architecture + * + * Copyright (c) 2010-2011, Code Aurora Forum. 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() +#define smp_mb__before_atomic_dec() barrier() +#define smp_mb__after_atomic_dec() barrier() +#define smp_mb__before_atomic_inc() barrier() +#define smp_mb__after_atomic_inc() 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 */ |