On Sun, 28 Aug 2022, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > So WARN_ON_ONCE() is the thing to aim for. BUG_ON() is the thing for > "oops, I really don't know what to do, and I physically *cannot* > continue" (and that is *not* "I'm too lazy to do error handling"). Any insight for the tradeoff between WARN_ON_ONCE() and WARN_ON(), i.e. wasting the static once variable per use site vs. littering the dmesg on every hit? I see there have been some improvements with the __WARN_FLAGS() stuff, but is the data use really neglible? BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center
