From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wen Congyang Subject: [RFC Patch v2 03/45] don't zero out ioreq page Date: Fri, 8 Aug 2014 15:01:02 +0800 Message-ID: <1407481305-19808-4-git-send-email-wency@cn.fujitsu.com> References: <1407481305-19808-1-git-send-email-wency@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1407481305-19808-1-git-send-email-wency@cn.fujitsu.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen devel Cc: Ian Campbell , Wen Congyang , Ian Jackson , Jiang Yunhong , Dong Eddie , Paul Durrant , Yang Hongyang , Lai Jiangshan List-Id: xen-devel@lists.xenproject.org ioreq page may contain some pending I/O requests, and we need to handle the pending I/O req after migration. TODO: 1. update qemu to handle the pending I/O req Signed-off-by: Wen Congyang Cc: Paul Durrant --- tools/libxc/xc_domain_restore.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/tools/libxc/xc_domain_restore.c b/tools/libxc/xc_domain_restore.c index 42abb22..2d6139c 100644 --- a/tools/libxc/xc_domain_restore.c +++ b/tools/libxc/xc_domain_restore.c @@ -2301,9 +2301,7 @@ int xc_domain_restore(xc_interface *xch, int io_fd, uint32_t dom, } /* These comms pages need to be zeroed at the start of day */ - if ( xc_clear_domain_page(xch, dom, tailbuf.u.hvm.magicpfns[0]) || - xc_clear_domain_page(xch, dom, tailbuf.u.hvm.magicpfns[1]) || - xc_clear_domain_page(xch, dom, tailbuf.u.hvm.magicpfns[2]) ) + if ( xc_clear_domain_page(xch, dom, tailbuf.u.hvm.magicpfns[2]) ) { PERROR("error zeroing magic pages"); goto out; -- 1.9.3