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| author | Matthew Wilcox <matthew@wil.cx> | 2008-03-14 21:35:22 +0300 |
|---|---|---|
| committer | Matthew Wilcox <willy@linux.intel.com> | 2008-04-17 18:42:54 +0400 |
| commit | b17170b2fac96705db3188f093f89e8e838418e4 (patch) | |
| tree | 3264d8a297cff20338b606559274c36fbf663f04 /include/linux/serial_8250.h | |
| parent | f1241c87a16c4fe9f4f51d6ed3589f031c505e8d (diff) | |
| download | linux-b17170b2fac96705db3188f093f89e8e838418e4.tar.xz | |
Simplify semaphore implementation
By removing the negative values of 'count' and relying on the wait_list to
indicate whether we have any waiters, we can simplify the implementation
by removing the protection against an unlikely race condition. Thanks to
David Howells for his suggestions.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Diffstat (limited to 'include/linux/serial_8250.h')
0 files changed, 0 insertions, 0 deletions