diff options
Diffstat (limited to 'arch/x86/kernel/tsc_32.c')
| -rw-r--r-- | arch/x86/kernel/tsc_32.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c index b8a7cf671432..d78444c788a3 100644 --- a/arch/x86/kernel/tsc_32.c +++ b/arch/x86/kernel/tsc_32.c | |||
| @@ -59,7 +59,7 @@ int check_tsc_unstable(void) | |||
| 59 | } | 59 | } |
| 60 | EXPORT_SYMBOL_GPL(check_tsc_unstable); | 60 | EXPORT_SYMBOL_GPL(check_tsc_unstable); |
| 61 | 61 | ||
| 62 | /* Accellerators for sched_clock() | 62 | /* Accelerators for sched_clock() |
| 63 | * convert from cycles(64bits) => nanoseconds (64bits) | 63 | * convert from cycles(64bits) => nanoseconds (64bits) |
| 64 | * basic equation: | 64 | * basic equation: |
| 65 | * ns = cycles / (freq / ns_per_sec) | 65 | * ns = cycles / (freq / ns_per_sec) |
| @@ -74,7 +74,7 @@ EXPORT_SYMBOL_GPL(check_tsc_unstable); | |||
| 74 | * And since SC is a constant power of two, we can convert the div | 74 | * And since SC is a constant power of two, we can convert the div |
| 75 | * into a shift. | 75 | * into a shift. |
| 76 | * | 76 | * |
| 77 | * We can use khz divisor instead of mhz to keep a better percision, since | 77 | * We can use khz divisor instead of mhz to keep a better precision, since |
| 78 | * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits. | 78 | * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits. |
| 79 | * (mathieu.desnoyers@polymtl.ca) | 79 | * (mathieu.desnoyers@polymtl.ca) |
| 80 | * | 80 | * |