On Thu, Apr 27, 2023 at 09:38:59AM +0000, Bouska, Zdenek wrote: > > Why is this interrupt handling specific? Just because it's the place > > where you observed it? > Yes. > > > So if that helps, then this needs to be addressed globaly and not with > > some crude hack in the interrupt handling code. > I just wrote, what helps for me. I didn't mean it as a proposal for merge. > Sorry for confusion. > > I tried using Will's cpu_relax() implementation [1] everywhere but I was not > successful with that yet. ARM64's VDSO makes it complicating and even > if I left original cpu_relax() just in VDSO, Linux did not boot for me. It definitely seemed to work when I posted it all those years ago, but I'm not surprised if it needs some TLC to revive it on more recent kernels. Will
