On Wed, 27 Mar 2024 23:57:45 +0800 Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx> wrote: > This series tries to improve visilibity of writeback. Well... why? Is anyone usefully using the existing instrumentation? What is to be gained by expanding it further? What is the case for adding this code? I don't recall hearing of anyone using the existing debug instrumentation so perhaps we should remove it! Also, I hit a build error and a pile of warnings with an arm allnoconfig build.