From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f47.google.com (mail-pb0-f47.google.com [209.85.160.47]) by kanga.kvack.org (Postfix) with ESMTP id 1DF5B900002 for ; Wed, 2 Oct 2013 10:29:03 -0400 (EDT) Received: by mail-pb0-f47.google.com with SMTP id rr4so946711pbb.20 for ; Wed, 02 Oct 2013 07:29:02 -0700 (PDT) From: Jan Kara Subject: [PATCH 17/26] kvm: Use get_user_pages_unlocked() in async_pf_execute() Date: Wed, 2 Oct 2013 16:27:58 +0200 Message-Id: <1380724087-13927-18-git-send-email-jack@suse.cz> In-Reply-To: <1380724087-13927-1-git-send-email-jack@suse.cz> References: <1380724087-13927-1-git-send-email-jack@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: LKML Cc: linux-mm@kvack.org, Jan Kara , Gleb Natapov , Paolo Bonzini , kvm@vger.kernel.org CC: Gleb Natapov CC: Paolo Bonzini CC: kvm@vger.kernel.org Signed-off-by: Jan Kara --- 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org