diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/cacheinfo.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/cacheinfo.c b/arch/powerpc/kernel/cacheinfo.c index a116d5bb6b12..65ab9fcebd31 100644 --- a/arch/powerpc/kernel/cacheinfo.c +++ b/arch/powerpc/kernel/cacheinfo.c @@ -420,6 +420,15 @@ static void link_cache_lists(struct cache *smaller, struct cache *bigger) } smaller->next_local = bigger; + + /* + * The cache->next_local list sorts by level ascending: + * L1d -> L1i -> L2 -> L3 ... + */ + WARN_ONCE((smaller->level == 1 && bigger->level > 2) || + (smaller->level > 1 && bigger->level != smaller->level + 1), + "linking L%i cache %pOFP to L%i cache %pOFP; skipped a level?\n", + smaller->level, smaller->ofnode, bigger->level, bigger->ofnode); } static void do_subsidiary_caches_debugcheck(struct cache *cache) |