diff options
Diffstat (limited to 'arch/xtensa/mm')
-rw-r--r-- | arch/xtensa/mm/cache.c | 27 | ||||
-rw-r--r-- | arch/xtensa/mm/fault.c | 1 | ||||
-rw-r--r-- | arch/xtensa/mm/init.c | 16 | ||||
-rw-r--r-- | arch/xtensa/mm/misc.S | 2 | ||||
-rw-r--r-- | arch/xtensa/mm/tlb.c | 7 |
5 files changed, 25 insertions, 28 deletions
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c index 85df4655d32..81edeab82d1 100644 --- a/arch/xtensa/mm/cache.c +++ b/arch/xtensa/mm/cache.c @@ -118,7 +118,7 @@ void flush_dcache_page(struct page *page) * For now, flush the whole cache. FIXME?? */ -void flush_cache_range(struct vm_area_struct* vma, +void flush_cache_range(struct vm_area_struct* vma, unsigned long start, unsigned long end) { __flush_invalidate_dcache_all(); @@ -133,7 +133,7 @@ void flush_cache_range(struct vm_area_struct* vma, */ void flush_cache_page(struct vm_area_struct* vma, unsigned long address, - unsigned long pfn) + unsigned long pfn) { /* Note that we have to use the 'alias' address to avoid multi-hit */ @@ -166,14 +166,14 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) if (!PageReserved(page) && test_bit(PG_arch_1, &page->flags)) { - unsigned long vaddr = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK); 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); - __flush_invalidate_dcache_page_alias(vaddr, phys); - __invalidate_icache_page_alias(vaddr, phys); + __flush_invalidate_dcache_page_alias(tmp, phys); + __invalidate_icache_page_alias(tmp, phys); clear_bit(PG_arch_1, &page->flags); } @@ -195,7 +195,7 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) #if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK -void copy_to_user_page(struct vm_area_struct *vma, struct page *page, +void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, const void *src, unsigned long len) { @@ -205,8 +205,8 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, /* Flush and invalidate user page if aliased. */ if (alias) { - unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); - __flush_invalidate_dcache_page_alias(temp, phys); + unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); + __flush_invalidate_dcache_page_alias(t, phys); } /* Copy data */ @@ -219,12 +219,11 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, */ if (alias) { - unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); + unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); __flush_invalidate_dcache_range((unsigned long) dst, len); - if ((vma->vm_flags & VM_EXEC) != 0) { - __invalidate_icache_page_alias(temp, phys); - } + if ((vma->vm_flags & VM_EXEC) != 0) + __invalidate_icache_page_alias(t, phys); } else if ((vma->vm_flags & VM_EXEC) != 0) { __flush_dcache_range((unsigned long)dst,len); @@ -245,8 +244,8 @@ extern void copy_from_user_page(struct vm_area_struct *vma, struct page *page, */ if (alias) { - unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); - __flush_invalidate_dcache_page_alias(temp, phys); + unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); + __flush_invalidate_dcache_page_alias(t, phys); } memcpy(dst, src, len); diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c index 245b08f7eaf..4b7bc8db170 100644 --- a/arch/xtensa/mm/fault.c +++ b/arch/xtensa/mm/fault.c @@ -254,4 +254,3 @@ bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) die("Oops", regs, sig); do_exit(sig); } - diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index db955179da2..7a5156ffebb 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -75,15 +75,15 @@ int __init mem_reserve(unsigned long start, unsigned long end, int must_exist) sysmem.nr_banks++; } sysmem.bank[i].end = start; + + } else if (end < sysmem.bank[i].end) { + sysmem.bank[i].start = end; + } else { - if (end < sysmem.bank[i].end) - sysmem.bank[i].start = end; - else { - /* remove entry */ - sysmem.nr_banks--; - sysmem.bank[i].start = sysmem.bank[sysmem.nr_banks].start; - sysmem.bank[i].end = sysmem.bank[sysmem.nr_banks].end; - } + /* remove entry */ + sysmem.nr_banks--; + sysmem.bank[i].start = sysmem.bank[sysmem.nr_banks].start; + sysmem.bank[i].end = sysmem.bank[sysmem.nr_banks].end; } return -1; } diff --git a/arch/xtensa/mm/misc.S b/arch/xtensa/mm/misc.S index 7f7078f57c4..d97ed1ba7b0 100644 --- a/arch/xtensa/mm/misc.S +++ b/arch/xtensa/mm/misc.S @@ -180,7 +180,7 @@ ENDPROC(clear_user_page) ENTRY(copy_user_page) - entry a1, 32 + entry a1, 32 /* Mark page dirty and determine alias for destination. */ diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c index 070fb7a2523..5411aa67c68 100644 --- a/arch/xtensa/mm/tlb.c +++ b/arch/xtensa/mm/tlb.c @@ -82,7 +82,7 @@ void flush_tlb_mm(struct mm_struct *mm) #endif void flush_tlb_range (struct vm_area_struct *vma, - unsigned long start, unsigned long end) + unsigned long start, unsigned long end) { struct mm_struct *mm = vma->vm_mm; unsigned long flags; @@ -100,7 +100,7 @@ void flush_tlb_range (struct vm_area_struct *vma, int oldpid = get_rasid_register(); set_rasid_register (ASID_INSERT(mm->context)); start &= PAGE_MASK; - if (vma->vm_flags & VM_EXEC) + if (vma->vm_flags & VM_EXEC) while(start < end) { invalidate_itlb_mapping(start); invalidate_dtlb_mapping(start); @@ -130,7 +130,7 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page) local_save_flags(flags); - oldpid = get_rasid_register(); + oldpid = get_rasid_register(); if (vma->vm_flags & VM_EXEC) invalidate_itlb_mapping(page); @@ -140,4 +140,3 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page) local_irq_restore(flags); } - |