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authorMichal Simek <[email protected]>2012-03-30 12:10:03 +0200
committerMichal Simek <[email protected]>2012-03-30 12:10:03 +0200
commit6a4770e335bd4df0a4577146f76e116ab6e23f40 (patch)
tree305056c20b6ccf3a4fed00e9e32f3a1dd039cd70 /arch/x86/include/asm/timer.h
parentac64a9caa55bdfd8d24784f25c68cb7919ddabe3 (diff)
parentf52b69f86e27903d6896ed5fa7cd280fec8de532 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'arch/x86/include/asm/timer.h')
-rw-r--r--arch/x86/include/asm/timer.h8
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;
}