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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-06-27 23:00:25 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-06-27 23:00:25 -0700 |
| commit | 31881d74b6dd1a6c530cff61248def4f2da38bee (patch) | |
| tree | be62420cf39192074e13b25553d172b9d5e58a33 /arch/arm/common/vlock.h | |
| parent | 8855f30cd2b68012571932c7b01290c20be4508c (diff) | |
| parent | 257867dc8d893690c175c1f717f91c3b6d44a63d (diff) | |
Merge branch 'for-next' of git://github.com/rydberg/linux into next
Pull in changes from Henrik: "a trivial MT documentation fix".
Diffstat (limited to 'arch/arm/common/vlock.h')
| -rw-r--r-- | arch/arm/common/vlock.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/common/vlock.h b/arch/arm/common/vlock.h new file mode 100644 index 00000000000..3b441475a59 --- /dev/null +++ b/arch/arm/common/vlock.h @@ -0,0 +1,29 @@ +/* + * vlock.h - simple voting lock implementation + * + * Created by: Dave Martin, 2012-08-16 + * Copyright: (C) 2012-2013 Linaro Limited + * + * 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. + * + * 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. + */ + +#ifndef __VLOCK_H +#define __VLOCK_H + +#include <asm/mcpm.h> + +/* Offsets and sizes are rounded to a word (4 bytes) */ +#define VLOCK_OWNER_OFFSET 0 +#define VLOCK_VOTING_OFFSET 4 +#define VLOCK_VOTING_SIZE ((MAX_CPUS_PER_CLUSTER + 3) / 4 * 4) +#define VLOCK_SIZE (VLOCK_VOTING_OFFSET + VLOCK_VOTING_SIZE) +#define VLOCK_OWNER_NONE 0 + +#endif /* ! __VLOCK_H */ |