From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 26 Mar 2006 09:38:05 +0000 (-0800)
Subject: [PATCH] hrtimers: optimize softirq runqueues
X-Git-Tag: v2.6.17-rc1~586
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92127c7a45d4d167d9b015a5f9de6b41ed66f1d0;p=pandora-kernel.git

[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>
---

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