| Vineet Gupta | 6e35fa2 | 2013-01-18 15:12:18 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | */ |
| 8 | |
| Vineet Gupta | 41195d2 | 2013-01-18 15:12:23 +0530 | [diff] [blame] | 9 | /* |
| 10 | * xchg() based mutex fast path maintains a state of 0 or 1, as opposed to |
| 11 | * atomic dec based which can "count" any number of lock contenders. |
| 12 | * This ideally needs to be fixed in core, but for now switching to dec ver. |
| 13 | */ |
| 14 | #if defined(CONFIG_SMP) && (CONFIG_NR_CPUS > 2) |
| 15 | #include <asm-generic/mutex-dec.h> |
| 16 | #else |
| Vineet Gupta | 6e35fa2 | 2013-01-18 15:12:18 +0530 | [diff] [blame] | 17 | #include <asm-generic/mutex-xchg.h> |
| Vineet Gupta | 41195d2 | 2013-01-18 15:12:23 +0530 | [diff] [blame] | 18 | #endif |