> 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. Thank you all! [1] https://lore.kernel.org/lkml/20170728092831.GA24839@xxxxxxx/ Zdenek Bouska -- Siemens, s.r.o Siemens Advanta Development
