| commit | 4637a74cf2ac3a3696d385c8624d84de789d1bbe | |
| author | David P. Reed <dpreed@reed.com> | |
| Wed, 2 May 2007 17:27:20 +0000 (2 19:27 +0200) | ||
| committer | Andi Kleen <andi@basil.nowhere.org> | |
| Wed, 2 May 2007 17:27:20 +0000 (2 19:27 +0200) | ||
| tree | 358cd844b60771697d8cff6b85c5ab7db4b96deb | treesnapshot (tar.gz zip) |
| parent | 9d016dd43b8df0228f1022f483f582eeb52d256e | commitdiff |
[PATCH] x86-64: Avoid overflows during apic timer calibration
- 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>
- 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>
| arch/x86_64/kernel/apic.c | diffblobblamehistory |