Re: [PATCH] powerpc: Allow scheduling of IRQ with PREEMPT_RT

[Sebastian Andrzej Siewior]

On 2025-01-07 12:56:08 [+0100], To Robert Joslyn wrote:
> On 2024-12-26 11:12:38 [-0800], Robert Joslyn wrote:
> > This branch is needed to allow preemptible IRQs to be scheduled,
> > otherwise the kernel hangs during boot on my e300 based platforms.
> > This branch is needed for both CONFIG_PREEMPT and CONFIG_PREEMPT_RT,
> > so broaden the check to CONFIG_PREEMPTION, which is selected by both.
> > 
> > This was previously set to CONFIG_PREEMPTION, but was reverted as part
> > of removing LAZY_PREEMPT support.
> 
> I remember I pointed this out while Shrikanth posted the preempt-lazy
> patches but didn't realize that I need this in RT tree, too.
> 
> The lazy-preempt patches for powerpc were merged upstream, I am going to
> pull them into the v6.6-series.
> I am going to Cc you, hopefully you can confirm that it is working.

Robert, you are referring to v6.6-RT, correct?

Sebastian