| commit | 7cbaef9c83e58bbd4bdd534b09052b6c5ec457d5 | |
| author | Ingo Molnar <mingo@elte.hu> | |
| Sat, 8 Nov 2008 16:05:38 +0000 (8 17:05 +0100) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Sat, 8 Nov 2008 16:05:38 +0000 (8 17:05 +0100) | ||
| tree | 7d2746038b50eb3b2721f506f82de9a0a910c2e6 | treesnapshot (tar.gz zip) |
| parent | 0d12cdd5f883f508d33b85c1bae98fa28987c8c7 | commitdiff |
sched: optimize sched_clock() a bit
sched_clock() uses cycles_2_ns() needlessly - which is an irq-disabling
variant of __cycles_2_ns().
Most of the time sched_clock() is called with irqs disabled already.
The few places that call it with irqs enabled need to be updated.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
sched_clock() uses cycles_2_ns() needlessly - which is an irq-disabling
variant of __cycles_2_ns().
Most of the time sched_clock() is called with irqs disabled already.
The few places that call it with irqs enabled need to be updated.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| arch/x86/kernel/tsc.c | diffblobblamehistory |