ARC: mm: retire support for aliasing VIPT D$

[linux-2.6-microblaze.git] / arch / arc / include / asm / cacheflush.h

diff --git a/arch/arc/include/asm/cacheflush.h b/arch/arc/include/asm/cacheflush.h
index bd5b1a9..563af3e 100644 (file)
--- a/arch/arc/include/asm/cacheflush.h
+++ b/arch/arc/include/asm/cacheflush.h
@@ -44,31 +44,10 @@ void dma_cache_wback(phys_addr_t start, unsigned long sz);
 
 #define flush_cache_dup_mm(mm)                 /* called on fork (VIVT only) */
 
-#ifndef CONFIG_ARC_CACHE_VIPT_ALIASING
-
 #define flush_cache_mm(mm)                     /* called on munmap/exit */
 #define flush_cache_range(mm, u_vstart, u_vend)
 #define flush_cache_page(vma, u_vaddr, pfn)    /* PF handling/COW-break */
 
-#else  /* VIPT aliasing dcache */
-
-/* To clear out stale userspace mappings */
-void flush_cache_mm(struct mm_struct *mm);
-void flush_cache_range(struct vm_area_struct *vma,
-       unsigned long start,unsigned long end);
-void flush_cache_page(struct vm_area_struct *vma,
-       unsigned long user_addr, unsigned long page);
-
-/*
- * To make sure that userspace mapping is flushed to memory before
- * get_user_pages() uses a kernel mapping to access the page
- */
-#define ARCH_HAS_FLUSH_ANON_PAGE
-void flush_anon_page(struct vm_area_struct *vma,
-       struct page *page, unsigned long u_vaddr);
-
-#endif /* CONFIG_ARC_CACHE_VIPT_ALIASING */
-
 /*
  * A new pagecache page has PG_arch_1 clear - thus dcache dirty by default
  * This works around some PIO based drivers which don't call flush_dcache_page
@@ -76,28 +55,6 @@ void flush_anon_page(struct vm_area_struct *vma,
  */
 #define PG_dc_clean    PG_arch_1
 
-#define CACHE_COLORS_NUM       4
-#define CACHE_COLORS_MSK       (CACHE_COLORS_NUM - 1)
-#define CACHE_COLOR(addr)      (((unsigned long)(addr) >> (PAGE_SHIFT)) & CACHE_COLORS_MSK)
-
-/*
- * Simple wrapper over config option
- * Bootup code ensures that hardware matches kernel configuration
- */
-static inline int cache_is_vipt_aliasing(void)
-{
-       return IS_ENABLED(CONFIG_ARC_CACHE_VIPT_ALIASING);
-}
-
-/*
- * checks if two addresses (after page aligning) index into same cache set
- */
-#define addr_not_cache_congruent(addr1, addr2)                         \
-({                                                                     \
-       cache_is_vipt_aliasing() ?                                      \
-               (CACHE_COLOR(addr1) != CACHE_COLOR(addr2)) : 0;         \
-})
-
 #define copy_to_user_page(vma, page, vaddr, dst, src, len)             \
 do {                                                                   \
        memcpy(dst, src, len);                                          \