diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 08f86178aa3..0dc757246d8 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1853,6 +1853,13 @@ context_switch(struct rq *rq, struct task_struct *prev, struct mm_struct *mm = next->mm; struct mm_struct *oldmm = prev->active_mm; + /* + * For paravirt, this is coupled with an exit in switch_to to + * combine the page table reload and the switch backend into + * one hypercall. + */ + arch_enter_lazy_cpu_mode(); + if (!mm) { next->active_mm = oldmm; atomic_inc(&oldmm->mm_count); |