On Sun, Feb 16, 2025 at 3:22 PM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote: > > On Sun, Feb 16, 2025 at 3:14 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > Hi all, > > > > After merging the mm tree, today's linux-next build (powerpc native perf) > > failed like this: > > > > In file included from threadmap.c:4: > > tools/include/linux/refcount.h: In function 'refcount_set_release': > > tools/include/linux/refcount.h:65:9: error: implicit declaration of function 'atomic_set_release'; did you mean 'refcount_set_release'? [-Wimplicit-function-declaration] > > 65 | atomic_set_release(&r->refs, n); > > | ^~~~~~~~~~~~~~~~~~ > > | refcount_set_release > > tools/include/linux/refcount.h:65:9: error: nested extern declaration of 'atomic_set_release' [-Werror=nested-externs] > > cc1: all warnings being treated as errors > > > > (and several more similar) > > > > Caused by commit > > > > 1465347e498f ("mm: make vma cache SLAB_TYPESAFE_BY_RCU") > > > > from the mm-unstable branch of the mm tree. > > > > I have reverted that commit for today. > > Thanks! I'll see if I can fix it quickly. I must be missing this > function under tools/ in some specific config. I just posted a fix at: https://lore.kernel.org/all/20250217054351.2973666-1-surenb@xxxxxxxxxx/ > > > > > -- > > Cheers, > > Stephen Rothwell