Thomas Gleixner <t...@linutronix.de> writes: > On Thu, Mar 18 2021 at 08:58, Vitaly Kuznetsov wrote: >> Thomas Gleixner <t...@linutronix.de> writes: >>> There is a way more useful way to handle this. In such a case the bit is >>> NOT set in the alloc map. So: >>> >>> if (!WARN_ON_ONCE(test_and_clear_bit(bit, cm->alloc_map))) >>> return; >>> >>> would have caught the problem at hand nicely and let the machine survive >>> while just throwing warns and continuing is broken to begin with. >> >> Thanks, I like the idea. I didn't do that probably because the problem >> which triggered me to write these patches wasn't fatal, it was just >> causing CPU0 offlining to fail. > > Can you whip up a patch for that? >
Sure, will do! -- Vitaly