From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH v3 6/6] xen: change memory access behavior during migration. Date: Thu, 19 Jan 2012 11:56:21 +0000 Message-ID: <1326974181-32511-6-git-send-email-stefano.stabellini@eu.citrix.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: qemu-devel@nongnu.org Cc: xen-devel@lists.xensource.com, Stefano Stabellini , jan.kiszka@siemens.com, avi@redhat.com, anthony@codemonkey.ws, Anthony PERARD List-Id: xen-devel@lists.xenproject.org From: Anthony PERARD Do not allocate RAM during INMIGRATE runstate. Do not actually "do" set_memory during migration. Signed-off-by: Anthony PERARD Signed-off-by: Stefano Stabellini --- xen-all.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/xen-all.c b/xen-all.c index c830cb1..bac06fd 100644 --- a/xen-all.c +++ b/xen-all.c @@ -190,6 +190,11 @@ void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr) xen_pfn_t *pfn_list; int i; + if (runstate_check(RUN_STATE_INMIGRATE)) { + /* RAM already populated in Xen */ + return; + } + if (mr == &ram_memory) { return; } @@ -255,6 +260,10 @@ static int xen_add_to_physmap(XenIOState *state, target_phys_addr_t phys_offset = memory_region_get_ram_addr(mr); char path[80], value[17]; + if (runstate_check(RUN_STATE_INMIGRATE)) { + return 0; + } + if (get_physmapping(state, start_addr, size)) { return 0; } -- 1.7.2.5