Re: [PATCH v6 02/12] x86/paravirt: switch time pvops functions to use static_call()

Borislav Petkov
2021-03-10T14:14:10Z

On Wed, Mar 10, 2021 at 08:51:22AM +0100, Jürgen Groß wrote:
> It is combining the two needed actions: update the static call and
> set the paravirt_using_native_sched_clock boolean.

I actually meant what the point of using_native_sched_clock() is but put
this comment at the wrong place, sorry.

> Just had another idea: I could add a function to static_call.h for
> querying the current function. This would avoid the double book keeping
> and could probably be used later when switching other pv_ops calls to
> static_call, too (e.g. pv_is_native_spin_unlock()).
>
> What do you think?

Yap, that makes sense. Alternatively, you could even add a bitfield to
pv_ops which carries that info and since pv_ops is global...

But yeah, the less bookkeeping the better.

Thx.

--
Regards/Gruss,
Boris.