diff options
Diffstat (limited to 'arch/um/kernel/tlb.c')
| -rw-r--r-- | arch/um/kernel/tlb.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index 429fed2f66b..ef5a2a20d35 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -184,6 +184,9 @@ static inline int update_pte_range(pmd_t *pmd, unsigned long addr, pte = pte_offset_kernel(pmd, addr); do { + if ((addr >= STUB_START) && (addr < STUB_END)) + continue; + r = pte_read(*pte); w = pte_write(*pte); x = pte_exec(*pte); @@ -486,9 +489,6 @@ void __flush_tlb_one(unsigned long addr) static void fix_range(struct mm_struct *mm, unsigned long start_addr, unsigned long end_addr, int force) { - if (!proc_mm && (end_addr > STUB_START)) - end_addr = STUB_START; - fix_range_common(mm, start_addr, end_addr, force); } @@ -502,8 +502,6 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, void flush_tlb_mm(struct mm_struct *mm) { - unsigned long end; - /* * Don't bother flushing if this address space is about to be * destroyed. @@ -511,8 +509,7 @@ void flush_tlb_mm(struct mm_struct *mm) if (atomic_read(&mm->mm_users) == 0) return; - end = proc_mm ? TASK_SIZE : STUB_START; - fix_range(mm, 0, end, 0); + fix_range(mm, 0, TASK_SIZE, 0); } void force_flush_all(void) |