diff options
Diffstat (limited to 'arch/m68k/mm')
| -rw-r--r-- | arch/m68k/mm/cache.c | 13 | ||||
| -rw-r--r-- | arch/m68k/mm/fault.c | 10 | ||||
| -rw-r--r-- | arch/m68k/mm/init.c | 2 | ||||
| -rw-r--r-- | arch/m68k/mm/mcfmmu.c | 1 | ||||
| -rw-r--r-- | arch/m68k/mm/motorola.c | 25 | ||||
| -rw-r--r-- | arch/m68k/mm/sun3kmap.c | 1 | ||||
| -rw-r--r-- | arch/m68k/mm/sun3mmu.c | 1 |
7 files changed, 42 insertions, 11 deletions
diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c index 079e64898e6a..5ecb3310e874 100644 --- a/arch/m68k/mm/cache.c +++ b/arch/m68k/mm/cache.c @@ -73,7 +73,7 @@ static unsigned long virt_to_phys_slow(unsigned long vaddr) /* Push n pages at kernel virtual address and clear the icache */ /* RZ: use cpush %bc instead of cpush %dc, cinv %ic */ -void flush_icache_range(unsigned long address, unsigned long endaddr) +void flush_icache_user_range(unsigned long address, unsigned long endaddr) { if (CPU_IS_COLDFIRE) { unsigned long start, end; @@ -104,9 +104,18 @@ void flush_icache_range(unsigned long address, unsigned long endaddr) : "di" (FLUSH_I)); } } + +void flush_icache_range(unsigned long address, unsigned long endaddr) +{ + mm_segment_t old_fs = get_fs(); + + set_fs(KERNEL_DS); + flush_icache_user_range(address, endaddr); + set_fs(old_fs); +} EXPORT_SYMBOL(flush_icache_range); -void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, +void flush_icache_user_page(struct vm_area_struct *vma, struct page *page, unsigned long addr, int len) { if (CPU_IS_COLDFIRE) { diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c index 3bfb5c8ac3c7..a94a814ad6ad 100644 --- a/arch/m68k/mm/fault.c +++ b/arch/m68k/mm/fault.c @@ -86,7 +86,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, if (user_mode(regs)) flags |= FAULT_FLAG_USER; retry: - down_read(&mm->mmap_sem); + mmap_read_lock(mm); vma = find_vma(mm, address); if (!vma) @@ -165,7 +165,7 @@ good_area: flags |= FAULT_FLAG_TRIED; /* - * No need to up_read(&mm->mmap_sem) as we would + * No need to mmap_read_unlock(mm) as we would * have already released it in __lock_page_or_retry * in mm/filemap.c. */ @@ -174,7 +174,7 @@ good_area: } } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return 0; /* @@ -182,7 +182,7 @@ good_area: * us unable to handle the page fault gracefully. */ out_of_memory: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); if (!user_mode(regs)) goto no_context; pagefault_out_of_memory(); @@ -211,6 +211,6 @@ acc_err: current->thread.faddr = address; send_sig: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return send_fault_sig(regs); } diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 6d3147662ff2..53040857a9ed 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -141,7 +141,7 @@ static inline void init_pointer_tables(void) if (!pmd_present(*pmd)) continue; - pte_dir = (pte_t *)__pmd_page(*pmd); + pte_dir = (pte_t *)pmd_page_vaddr(*pmd); init_pointer_table(pte_dir, TABLE_PTE); } } diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index 80064e6d064f..29f47923aa46 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c @@ -17,7 +17,6 @@ #include <asm/setup.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/mmu_context.h> #include <asm/mcf_pgalloc.h> #include <asm/tlbflush.h> diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 904c2a663977..2bb006bdc31c 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -45,6 +45,31 @@ unsigned long mm_cachebits; EXPORT_SYMBOL(mm_cachebits); #endif +/* Prior to calling these routines, the page should have been flushed + * from both the cache and ATC, or the CPU might not notice that the + * cache setting for the page has been changed. -jskov + */ +static inline void nocache_page(void *vaddr) +{ + unsigned long addr = (unsigned long)vaddr; + + if (CPU_IS_040_OR_060) { + pte_t *ptep = virt_to_kpte(addr); + + *ptep = pte_mknocache(*ptep); + } +} + +static inline void cache_page(void *vaddr) +{ + unsigned long addr = (unsigned long)vaddr; + + if (CPU_IS_040_OR_060) { + pte_t *ptep = virt_to_kpte(addr); + + *ptep = pte_mkcache(*ptep); + } +} /* * Motorola 680x0 user's manual recommends using uncached memory for address diff --git a/arch/m68k/mm/sun3kmap.c b/arch/m68k/mm/sun3kmap.c index ae03555449b8..4f2a7ef8348b 100644 --- a/arch/m68k/mm/sun3kmap.c +++ b/arch/m68k/mm/sun3kmap.c @@ -15,7 +15,6 @@ #include <linux/vmalloc.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/io.h> #include <asm/sun3mmu.h> diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c index 5d8d956d9329..dad494224497 100644 --- a/arch/m68k/mm/sun3mmu.c +++ b/arch/m68k/mm/sun3mmu.c @@ -21,7 +21,6 @@ #include <asm/setup.h> #include <linux/uaccess.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/machdep.h> #include <asm/io.h> |