On Fri, Jan 22, 2021 at 05:53:43PM +0100, Peter Zijlstra wrote:
> On Mon, Jan 18, 2021 at 03:12:19PM +0100, Frederic Weisbecker wrote:
> > +config HAVE_PREEMPT_DYNAMIC
> > + bool
> > + depends on HAVE_STATIC_CALL_INLINE
>
> I think we can relax this to HAVE_STATIC_CALL, using trampolines
> sho
On Mon, Jan 18, 2021 at 03:12:19PM +0100, Frederic Weisbecker wrote:
> +config HAVE_PREEMPT_DYNAMIC
> + bool
> + depends on HAVE_STATIC_CALL_INLINE
I think we can relax this to HAVE_STATIC_CALL, using trampolines
shouldn't be too bad, and that would put it in reach of arm64.
> + depen
From: Michal Hocko
Preemption mode selection is currently hardcoded on Kconfig choices.
Introduce a dedicated option to tune preemption flavour at boot time,
This will be only available on architectures efficiently supporting
static calls in order not to tempt with the feature against additional
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