> -----Original Message----- > From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> > Sent: Thursday, January 9, 2025 3:44 AM > To: Robert Joslyn <robert_joslyn@xxxxxxxxxx> > Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-rt-users@xxxxxxxxxxxxxxx; > tglx@xxxxxxxxxxxxx; rostedt@xxxxxxxxxxx; Shrikanth Hegde > <sshegde@xxxxxxxxxxxxx> > Subject: Re: RE: [PATCH] powerpc: Allow scheduling of IRQ with PREEMPT_RT > > [Caution - External] > > On 2025-01-07 18:09:46 [+0000], Robert Joslyn wrote: > > > > Yes, I'm using 6.6.58-rt45 at the moment. We found this regression > > while trying to update from 5.10-rt. I haven't played with > > lazy-preempt yet but I can certainly test the patches, presently we > > run everything with PREEMPT_RT. > > So I released v6.12.8-rt8 and v6.13-rc6-rt3. Looking at the lazy bits I think I > just forward your patch to the stable queue for v6.6. I did some basic testing on 6.12.8-rt8 and that worked fine with both preempt_lazy and preempt_rt. For what it's worth, we've been using the patch for 6.6-rt for about a month now in internal testing and haven't seen any other issues. Thanks! Robert