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| author |   Joe Perches <joe@perches.com> | 2014-01-27 17:07:14 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-27 21:02:40 -0800 |
| commit | 2e702b9f6cba4eb87d90e2a2d425a1fc05eec803 (patch) | |
| tree | ade4a3bcec477ced2780f1841e7c06f547effe84 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | kernel/kexec.c: use vscnprintf() instead of vsnprintf() in vmcoreinfo_append_str() (diff) | |
| download | linux-dev-2e702b9f6cba4eb87d90e2a2d425a1fc05eec803.tar.xz linux-dev-2e702b9f6cba4eb87d90e2a2d425a1fc05eec803.zip | |
softirq: use ffs() in __do_softirq()
Possible speed improvement of __do_softirq() by using ffs() instead of
using a while loop with an & 1 test then single bit shift.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions