diff options
| -rw-r--r-- | fs/exec.c | 2 | ||||
| -rw-r--r-- | mm/mmu_context.c | 2 |
2 files changed, 4 insertions, 0 deletions
@@ -840,10 +840,12 @@ static int exec_mmap(struct mm_struct *mm) } } task_lock(tsk); + preempt_disable_rt(); active_mm = tsk->active_mm; tsk->mm = mm; tsk->active_mm = mm; activate_mm(active_mm, mm); + preempt_enable_rt(); task_unlock(tsk); arch_pick_mmap_layout(mm); if (old_mm) { diff --git a/mm/mmu_context.c b/mm/mmu_context.c index 8a8cd02..adfce87 100644 --- a/mm/mmu_context.c +++ b/mm/mmu_context.c @@ -23,6 +23,7 @@ void use_mm(struct mm_struct *mm) struct task_struct *tsk = current; task_lock(tsk); + preempt_disable_rt(); active_mm = tsk->active_mm; if (active_mm != mm) { atomic_inc(&mm->mm_count); @@ -30,6 +31,7 @@ void use_mm(struct mm_struct *mm) } tsk->mm = mm; switch_mm(active_mm, mm, tsk); + preempt_enable_rt(); task_unlock(tsk); if (active_mm != mm) |