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| author | Changhwan Youn <chaos.youn@samsung.com> | 2010-09-29 20:31:42 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2010-10-21 07:52:18 +0900 |
| commit | 0c0f909689c8387265a3682d4205c063071ec36a (patch) | |
| tree | 3d341bd807e1bd050a393ee3ead44ff87bcda036 /tools/perf/scripts/python/syscall-counts.py | |
| parent | 8d75c9128a07bd1f81952a518ed818d1a3e90c96 (diff) | |
ARM: S5PV310: Optimize interrupt source searching code
It is reported by Junseok Jung that using clz instruction is
better instead of using for-loop to find the interrupt source.
This patch modifies interrupt source searching code using __ffs().
The __ffs() is implemented using clz instruction.
Suggested-by: Junseok Jung <jundols.jung@samsung.com>
Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions