diff options
| author | Len Brown <len.brown@intel.com> | 2012-04-06 21:48:59 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-04-06 21:48:59 -0400 |
| commit | eeaab2d8af2cf1d36d7086f22e9de42d6dd2995c (patch) | |
| tree | 369b9c91a6d808944f07d2290fec6f9fe2731904 /arch/x86/include/asm/timer.h | |
| parent | ee01e663373343c63e0e3d364d09f6155378dbcc (diff) | |
| parent | aaef292acf3a78d9c0bb6fb72226077d286b45d7 (diff) | |
Merge branches 'idle-fix' and 'misc' into release
Diffstat (limited to 'arch/x86/include/asm/timer.h')
| -rw-r--r-- | arch/x86/include/asm/timer.h | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h index 431793e5d484..34baa0eb5d0c 100644 --- a/arch/x86/include/asm/timer.h +++ b/arch/x86/include/asm/timer.h @@ -57,14 +57,10 @@ DECLARE_PER_CPU(unsigned long long, cyc2ns_offset); static inline unsigned long long __cycles_2_ns(unsigned long long cyc) { - unsigned long long quot; - unsigned long long rem; int cpu = smp_processor_id(); unsigned long long ns = per_cpu(cyc2ns_offset, cpu); - quot = (cyc >> CYC2NS_SCALE_FACTOR); - rem = cyc & ((1ULL << CYC2NS_SCALE_FACTOR) - 1); - ns += quot * per_cpu(cyc2ns, cpu) + - ((rem * per_cpu(cyc2ns, cpu)) >> CYC2NS_SCALE_FACTOR); + ns += mult_frac(cyc, per_cpu(cyc2ns, cpu), + (1UL << CYC2NS_SCALE_FACTOR)); return ns; } |