diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2012-02-27 17:59:05 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-02-27 17:59:11 +0000 |
| commit | a0008bf73c12212769b0d0b19cdec5c432de94ba (patch) | |
| tree | e53c67efd4aad97ab9f2addc1fc0d62879b41c55 /arch/m68k/mm | |
| parent | 5a8c271b26b83a09924c99aaa5c607021aed142b (diff) | |
| parent | cfac337b0fbcad5181096ab72bb24a05bd444562 (diff) | |
Merge branch 'lpc32xx/fixes-non-critical' of git://git.antcom.de/linux-2.6 into next/fixes-non-critical
* 'lpc32xx/fixes-non-critical' of git://git.antcom.de/linux-2.6: (1 commit)
ARM: LPC32xx: Fix missing and bad LPC32XX macros
Update to Linux 3.3-rc5
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/m68k/mm')
| -rw-r--r-- | arch/m68k/mm/mcfmmu.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index babd5a97cdcb..875b800ef0dd 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c @@ -87,7 +87,7 @@ void __init paging_init(void) int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word) { - unsigned long flags, mmuar; + unsigned long flags, mmuar, mmutr; struct mm_struct *mm; pgd_t *pgd; pmd_t *pmd; @@ -137,9 +137,10 @@ int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word) if (!pte_dirty(*pte) && !KMAPAREA(mmuar)) set_pte(pte, pte_wrprotect(*pte)); - mmu_write(MMUTR, (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) | - (((int)(pte->pte) & (int)CF_PAGE_MMUTR_MASK) - >> CF_PAGE_MMUTR_SHIFT) | MMUTR_V); + mmutr = (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) | MMUTR_V; + if ((mmuar < TASK_UNMAPPED_BASE) || (mmuar >= TASK_SIZE)) + mmutr |= (pte->pte & CF_PAGE_MMUTR_MASK) >> CF_PAGE_MMUTR_SHIFT; + mmu_write(MMUTR, mmutr); mmu_write(MMUDR, (pte_val(*pte) & PAGE_MASK) | ((pte->pte) & CF_PAGE_MMUDR_MASK) | MMUDR_SZ_8KB | MMUDR_X); |