Avi Kivity wrote:
>> + struct timespec now,sys,boot;
>
> Add spaces.
Done.
>> +#if 0
>> + /* Hmm, getboottime() isn't exported to modules ... */
>> + getboottime(&boot);
>> +#else
>> + now = current_kernel_time();
>> + ktime_get_ts(&sys);
>> + boot = ns_to_timespec(timespec_to_ns(&now) - timespec_to_ns(&sys));
>> +#endif
>> + wc.wc_sec = boot.tv_sec;
>> + wc.wc_nsec = boot.tv_nsec;
>
> Please drop the #if 0.
Done, and added a comment for the calculation.
>> +static uint32_t div_frac(uint32_t dividend, uint32_t divisor)
>> +{
>> + uint32_t quotient, remainder;
>> +
>> + __asm__ ( "divl %4"
>> + : "=a" (quotient), "=d" (remainder)
>> + : "0" (0), "1" (dividend), "r" (divisor) );
>> + return quotient;
>> +}
>>
>
> do_div()?
No, this one does something else. Already tried to get rid of that one
before ;)
> pr_debug() or something?
Done.
>> + kvm_set_time_scale(tsc_khz, &vcpu->arch.hv_clock);
>>
> What if the tsc frequency changes later on? we need to adjust the
> multiplier, no?
We better do that, yes.
New patch series prepared and tested, will be posted in a moment ...
cheers,
Gerd
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