From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752633AbXLZLHK (ORCPT ); Wed, 26 Dec 2007 06:07:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751791AbXLZLGG (ORCPT ); Wed, 26 Dec 2007 06:06:06 -0500 Received: from il.qumranet.com ([82.166.9.18]:50435 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751533AbXLZLGD (ORCPT ); Wed, 26 Dec 2007 06:06:03 -0500 From: Avi Kivity To: linux-kernel@vger.kernel.org, kvm-devel@lists.sourceforge.net Subject: [PATCH 03/55] KVM: Add a might_sleep() annotation to gfn_to_page() Date: Wed, 26 Dec 2007 13:05:08 +0200 Message-Id: <1198667160-22953-4-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.3.7 In-Reply-To: <1198667160-22953-1-git-send-email-avi@qumranet.com> References: <1198667160-22953-1-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This will help trap accesses to guest memory in atomic context. Signed-off-by: Avi Kivity --- drivers/kvm/kvm_main.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index ff77175..005f2d5 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -993,6 +993,8 @@ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn) struct page *page[1]; int npages; + might_sleep(); + gfn = unalias_gfn(kvm, gfn); slot = __gfn_to_memslot(kvm, gfn); if (!slot) { -- 1.5.3.7