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authorThomas Gleixner <tglx@linutronix.de>2006-03-26 01:38:05 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-26 08:57:02 -0800
commit92127c7a45d4d167d9b015a5f9de6b41ed66f1d0 (patch)
tree4742cc36ff0b26c999365d1e84133886bb694096 /kernel/posix-timers.c
parenta0e9285233a32edf267d27cd03fe0056951422cf (diff)
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[PATCH] hrtimers: optimize softirq runqueues
The hrtimer softirq is called from the timer softirq every tick. Retrieve the current time from xtime and wall_to_monotonic instead of calling base->get_time() for each timer base. Store the time in the base structure and provide a hook once clock source abstractions are in place and to keep the code open for new base clocks. Based on a patch from: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/posix-timers.c')
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