Re: [Xen-devel] [PATCH v5] new config option vtsc_tolerance_khz to avoid TSC emulation

[Olaf Hering <olaf@xxxxxxxxx>]

On Thu, Mar 29, Jan Beulich wrote:

> >>> On 27.03.18 at 11:26, <olaf@xxxxxxxxx> wrote:
> > +            khz_diff = cpu_khz > gtsc_khz ?
> > +                       cpu_khz - gtsc_khz : gtsc_khz - cpu_khz;
> abs() (or some variant of it, like __builtin_absl(), seeing that we
> don't appear to have any abstraction right now)?

I see no other usage of *abs*. Really optimize that one-shot function?

> d%d

A for an unsigned type? But I see it is done elsewhere, so it must be
correct.


Olaf

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