]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 2f1cbc0) | patch
sched: optimize sched_clock() a bit
authorIngo Molnar <mingo@elte.hu>
Sat, 8 Nov 2008 16:05:38 +0000 (17:05 +0100)
committerIngo Molnar <mingo@elte.hu>
Sat, 8 Nov 2008 16:05:38 +0000 (17:05 +0100)
commit6eab70cebb4fc320d60f6b78c7db4b6d26ab678b
tree7d2746038b50eb3b2721f506f82de9a0a910c2e6tree | snapshot
parent2f1cbc0113ea3d4e3790ea5d02ee6e7b614f8dfbcommit | diff
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>
arch/x86/kernel/tsc.c diff | blob | history
Linux Kernel Source Tree.