On Oct 29, 2014 3:26 PM, "Gilles Chanteperdrix" <
[email protected]> wrote:
>
> On Wed, Oct 29, 2014 at 03:24:52PM +0800, GP Orcullo wrote:
> > On Wed, Oct 29, 2014 at 2:16 PM, Gilles Chanteperdrix
> > <[email protected]> wrote:
> > > On Wed, Oct 29, 2014 at 09:23:16AM +0800, GP Orcullo wrote:
> > >> Exynos is not using the arm global timers.
> > >
> > > I do not understand what you mean... You said you had problems
> > > when the global timer was shared with Linux, this patches tries to
> > > address that by not remapping the global timer for xenomai, and
> > > sharing the mapping defined by Linux. And now you say Exynos is not
> > > using the global timers? You will have to explain a bit more than
> > > that... I quote what you said:
> > >
> > >> >> The problem was traced to the tsc emulation,  the counter somehow
gets
> > >> >> messed up when the global timer is shared with Linux.
> > >
> > >
> >
> > Sorry, I was referring to the global timer that exynos uses - MCT,
> > multi core timer.
>
> Ok, but Xenomai on cortex A9 enables the global timer as soon as the
> local timer is enabled. How do you get around this, you do not
> enable the TWD code on exynos ?
>
> --
>                                             Gilles.

It doesn't have the normal A9 global timer. The CONFIG_HAVE_ARM_TWD is not
used on any of the exynos kernels.
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