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Diffstat (limited to 'arch')
-rw-r--r--arch/xtensa/mm/cache.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index 96aea6624318..d75aa1476da7 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -59,10 +59,6 @@
*
*/
-#if (DCACHE_WAY_SIZE > PAGE_SIZE) && defined(CONFIG_HIGHMEM)
-#error "HIGHMEM is not supported on cores with aliasing cache."
-#endif
-
#if (DCACHE_WAY_SIZE > PAGE_SIZE)
static inline void kmap_invalidate_coherent(struct page *page,
unsigned long vaddr)
@@ -166,7 +162,8 @@ void flush_dcache_page(struct page *page)
if (!alias && !mapping)
return;
- __flush_invalidate_dcache_page((long)page_address(page));
+ virt = TLBTEMP_BASE_1 + (phys & DCACHE_ALIAS_MASK);
+ __flush_invalidate_dcache_page_alias(virt, phys);
virt = TLBTEMP_BASE_1 + (temp & DCACHE_ALIAS_MASK);
@@ -231,13 +228,12 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep)
#if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK
if (!PageReserved(page) && test_bit(PG_arch_1, &page->flags)) {
-
- unsigned long paddr = (unsigned long) page_address(page);
unsigned long phys = page_to_phys(page);
- unsigned long tmp = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK);
-
- __flush_invalidate_dcache_page(paddr);
+ unsigned long tmp;
+ tmp = TLBTEMP_BASE_1 + (phys & DCACHE_ALIAS_MASK);
+ __flush_invalidate_dcache_page_alias(tmp, phys);
+ tmp = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK);
__flush_invalidate_dcache_page_alias(tmp, phys);
__invalidate_icache_page_alias(tmp, phys);