Re: Ist drm/i915: Depend on !PREEMPT_RT. still necessary?
Sebastian Andrzej Siewior <[email protected]>
| Newsgroups | org.kernel.vger.linux-rt-users |
|---|---|
| Message-ID | <[email protected]> |
On 2026-02-02 17:16:00 [+0100], Markus Ongyerth wrote: > Hi, Hi, > in https://patchwork.kernel.org/project/intel-gfx/patch/[email protected]/#24761794 the i915 module was disabled for RT_PREEMPT kernels. > The associated discussion mentions that it shuld be save to revert this once more patches have made it in. > From what I can see, further patches did make it in. But the dependency is still there. > > Was this an oversight or is it still unsafe to use i915 with > RT_PREEMPT? If the latter, is there a patchset we could pull to make > it safer? Or is there some place to read up on the dangers? If you look at the latest 7.0.-RT queue, there are still i915 patches in it. It is not an oversight. There is this series https://lore.kernel.org/all/[email protected]/ which once landed would get rid of this !RT for i915. > Thanks, > Markus Sebastian