diff options
Diffstat (limited to 'arch/arc/mm/cache.c')
| -rw-r--r-- | arch/arc/mm/cache.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c index a0ce8ff1e59c..ec86ac0e3321 100644 --- a/arch/arc/mm/cache.c +++ b/arch/arc/mm/cache.c @@ -972,11 +972,16 @@ void arc_cache_init(void) /* check for D-Cache aliasing on ARCompact: ARCv2 has PIPT */ if (is_isa_arcompact()) { int handled = IS_ENABLED(CONFIG_ARC_CACHE_VIPT_ALIASING); - - if (dc->alias && !handled) - panic("Enable CONFIG_ARC_CACHE_VIPT_ALIASING\n"); - else if (!dc->alias && handled) + int num_colors = dc->sz_k/dc->assoc/TO_KB(PAGE_SIZE); + + if (dc->alias) { + if (!handled) + panic("Enable CONFIG_ARC_CACHE_VIPT_ALIASING\n"); + if (CACHE_COLORS_NUM != num_colors) + panic("CACHE_COLORS_NUM not optimized for config\n"); + } else if (!dc->alias && handled) { panic("Disable CONFIG_ARC_CACHE_VIPT_ALIASING\n"); + } } } |