2 commits

Author	SHA1	Message	Date
Matthew Wilcox	f06d968658	Introduce down_killable() ... down_killable() is the functional counterpart of mutex_lock_killable. Signed-off-by: Matthew Wilcox <willy@linux.intel.com>	2008-04-17 10:42:40 -04:00
Matthew Wilcox	64ac24e738	Generic semaphore implementation ... Semaphores are no longer performance-critical, so a generic C implementation is better for maintainability, debuggability and extensibility. Thanks to Peter Zijlstra for fixing the lockdep warning. Thanks to Harvey Harrison for pointing out that the unlikely() was unnecessary. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Acked-by: Ingo Molnar <mingo@elte.hu>	2008-04-17 10:42:34 -04:00