[PATCH 17/26] kvm: Use get_user_pages_unlocked() in async_pf_execute()

[Jan Kara]

CC: Gleb Natapov <gleb@xxxxxxxxxx>
CC: Paolo Bonzini <pbonzini@xxxxxxxxxx>
CC: kvm@xxxxxxxxxxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
 virt/kvm/async_pf.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c
index 8a39dda7a325..8d4b39a4bc12 100644
--- a/virt/kvm/async_pf.c
+++ b/virt/kvm/async_pf.c
@@ -67,9 +67,7 @@ static void async_pf_execute(struct work_struct *work)
 	might_sleep();
 
 	use_mm(mm);
-	down_read(&mm->mmap_sem);
-	get_user_pages(current, mm, addr, 1, 1, 0, &page, NULL);
-	up_read(&mm->mmap_sem);
+	get_user_pages_unlocked(current, mm, addr, 1, 1, 0, &page);
 	unuse_mm(mm);
 
 	spin_lock(&vcpu->async_pf.lock);
-- 
1.8.1.4

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