From: Rob Herring <rob.herring@calxeda.com>
Date: Fri, 4 Mar 2011 22:51:59 +0000 (+0100)
Subject: ARM: 6786/1: enable CONFIG_KTIME_SCALAR
X-Git-Tag: v2.6.39-rc1~463^2~2^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf9dd36091695f1138a98b6ae85d565e60635545;p=pandora-kernel.git

ARM: 6786/1: enable CONFIG_KTIME_SCALAR

Use straight 64-bit values as 64-bit operations are fairly efficient on ARM.
Comparing the asm output with and without KTIME_SCALAR, using 64-bit math
generates clearly better code.

Comparing kernel/hrtimer.c .text size, it goes from 0x1414 to 0x119c with
this change.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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