Junjie Mao e75cca64c8 HV: timer: keep TSC frequency in KHz ... This patch represents TSC freqeuency in KHz using a 32-bit unsigned integer. The conversion macros between ticks and us/ms are changed to inline functions to enforce the types of the input parameters. Note that us_to_ticks accepts only uint32_t (~4K us at most) and never overflows. Results of some unit tests on the conversion functions: calibrate_tsc, tsc_khz=1881600 64us -> ticks: 120422 64us -> ticks -> us: 63 511us -> ticks: 961497 511us -> ticks -> us: 510 1280000 ticks -> us: 680 1280000 ticks -> us -> ticks: 1279488 Signed-off-by: Junjie Mao <junjie.mao@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>		2018-07-03 10:18:06 +08:00
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x86	HV: timer: keep TSC frequency in KHz	2018-07-03 10:18:06 +08:00