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[PATCH] x86-64: Avoid overflows during apic timer calibration
authorDavid P. Reed <dpreed@reed.com>
Wed, 2 May 2007 17:27:20 +0000 (19:27 +0200)
committerAndi Kleen <andi@basil.nowhere.org>
Wed, 2 May 2007 17:27:20 +0000 (19:27 +0200)
- Use 64bit TSC calculations to avoid handling overflow
- Use 32bit unsigned arithmetic for the APIC timer. This
way overflows are handled correctly.
- Fix exit check of loop to account for apic timer counting down

Signed-off-by: dpreed@reed.com
Signed-off-by: Andi Kleen <ak@suse.de>

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