From 66cb8aee2e06f5335d9e41feb4028b9f7f77b503 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 4 Jul 2011 09:48:40 +0200 Subject: mm-protect-activate-switch-mm.patch Signed-off-by: Thomas Gleixner --- mm/mmu_context.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'mm') diff --git a/mm/mmu_context.c b/mm/mmu_context.c index cf332bc0080a..64ce279a984d 100644 --- a/mm/mmu_context.c +++ b/mm/mmu_context.c @@ -26,6 +26,7 @@ void use_mm(struct mm_struct *mm) struct task_struct *tsk = current; task_lock(tsk); + local_irq_disable_rt(); active_mm = tsk->active_mm; if (active_mm != mm) { atomic_inc(&mm->mm_count); @@ -33,6 +34,7 @@ void use_mm(struct mm_struct *mm) } tsk->mm = mm; switch_mm(active_mm, mm, tsk); + local_irq_enable_rt(); task_unlock(tsk); if (active_mm != mm) -- cgit v1.2.3