[yocto] [meta-raspberrypi] linux kernel rt

[Andrei Gherzan]

On Thu, Mar 1, 2018 at 1:59 PM, Andreas Müller <schnitzeltony at gmail.com>
wrote:

> On Fri, Jan 26, 2018 at 3:09 PM, Trevor Woerner <twoerner at gmail.com>
> wrote:
> > On Fri, Jan 26, 2018 at 3:43 AM, Martin Hundebøll
> > <martin.hundeboll at prevas.dk> wrote:
> >>
> >>
> >>
> >> On 2018-01-26 04:51, Khem Raj wrote:
> >>>
> >>>
> >>> Secondly, I wonder how good is upstream mainline kernel for rpi now a
> >>> days, we could always have a mainline recipe as an option and use it
> as base
> >>> for things like rt.
> >>
> >>
> >> Apart from runtime device tree overlay support for RPi hats/extension
> >> boards, mainline linux fully supports each RPi revision.
> >>
> >> I guess linux-yocto-rt would be just fine...
> >>
> >
> > Does anyone know if the FIQ bug has been fixed upstream? The last time I
> > looked into PREEMPT_RT on the RPi, the only way to make it work/stable
> was
> > to patch the FIQ issue, or disable FIQ altogether (not ideal). This patch
> > was outside both the kernel and the PREEMPT_RT patch.
> >
> > --
> Seems RPi.org made some progress on this[1].
>
> If I only had some time left to give this a try...
>
> [1] https://github.com/raspberrypi/linux/issues/2244#
> issuecomment-369597357


Nice.

--
Andrei Gherzan
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