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authorMatthew Wilcox <matthew@wil.cx>2008-03-14 13:43:13 -0400
committerMatthew Wilcox <willy@linux.intel.com>2008-04-17 10:42:46 -0400
commitf1241c87a16c4fe9f4f51d6ed3589f031c505e8d (patch)
tree2e0ee0f2b864c89eda9067bda0d8a98596e022e7 /kernel/seccomp.c
parentf06d96865861c3dd01520f47e2e61c899db1631f (diff)
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Add down_timeout and change ACPI to use it
ACPI currently emulates a timeout for semaphores with calls to down_trylock and sleep. This produces horrible behaviour in terms of fairness and excessive wakeups. Now that we have a unified semaphore implementation, adding a real down_trylock is almost trivial. Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Diffstat (limited to 'kernel/seccomp.c')
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