diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-07-04 09:48:40 +0200 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-03-07 16:15:12 -0600 |
| commit | 7d35ee39b43095570038063603be6b22b6707126 (patch) | |
| tree | 0527b61301eb5b858b0df7b260d60e22200c1d34 /mm | |
| parent | c2edff90b7b569b087aaf30281093115cdde55e9 (diff) | |
mm-protect-activate-switch-mm.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mmu_context.c | 2 |
1 files changed, 2 insertions, 0 deletions
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) |