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| Filename | Latest commit message | Latest commit date |
|---|---|---|
3e2d94535a
There is no particular reason to not enable TSC page clocksource on 32-bit. mul_u64_u64_shr() is available and despite the increased computational complexity (compared to 64bit) TSC page is still a huge win compared to MSR-based clocksource. In-kernel reads: MSR based clocksource: 3361 cycles TSC page clocksource: 49 cycles Reads from userspace (utilizing vDSO in case of TSC page): MSR based clocksource: 5664 cycles TSC page clocksource: 131 cycles Enabling TSC page on 32bits allows to get rid of CONFIG_HYPERV_TSCPAGE as it is now not any different from CONFIG_HYPERV_TIMER. Signed-off-by: Vitaly Kuznetsov <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Reviewed-by: Michael Kelley <[email protected]> Link: https://lkml.kernel.org/r/[email protected] |
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| .. | ||
| arm_arch_timer.h | ||
| hyperv_timer.h | ||
| pxa.h | ||
| samsung_pwm.h | ||
| timer-davinci.h | ||
| timer-sp804.h | ||
| timer-ti-dm.h | ||