From patchwork Fri Mar 16 12:13:09 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 147192 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 45FFDB6EEF for ; Fri, 16 Mar 2012 23:03:58 +1100 (EST) Received: from localhost ([::1]:58434 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S8Vsu-0003Dr-Ki for incoming@patchwork.ozlabs.org; Fri, 16 Mar 2012 08:03:52 -0400 Received: from eggs.gnu.org ([208.118.235.92]:45743) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S8Vsb-0002va-IT for qemu-devel@nongnu.org; Fri, 16 Mar 2012 08:03:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S8VsU-0007FQ-9q for qemu-devel@nongnu.org; Fri, 16 Mar 2012 08:03:33 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:43801) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S8VsT-0007Es-Vf for qemu-devel@nongnu.org; Fri, 16 Mar 2012 08:03:26 -0400 X-IronPort-AV: E=Sophos;i="4.73,597,1325480400"; d="scan'208";a="186243292" Received: from ftlpmailmx01.citrite.net ([10.13.107.65]) by FTLPIPO02.CITRIX.COM with ESMTP/TLS/RC4-MD5; 16 Mar 2012 08:03:23 -0400 Received: from ukmail1.uk.xensource.com (10.80.16.128) by smtprelay.citrix.com (10.13.107.65) with Microsoft SMTP Server id 8.3.213.0; Fri, 16 Mar 2012 08:03:22 -0400 Received: from kaball.uk.xensource.com ([10.80.2.59] helo=localhost.localdomain) by ukmail1.uk.xensource.com with esmtp (Exim 4.69) (envelope-from ) id 1S8VsL-0003ts-EC; Fri, 16 Mar 2012 12:03:17 +0000 From: Stefano Stabellini To: qemu-devel@nongnu.org Date: Fri, 16 Mar 2012 12:13:09 +0000 Message-ID: <1331899989-7756-6-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 66.165.176.63 Cc: xen-devel@lists.xensource.com, Stefano Stabellini , jan.kiszka@siemens.com, avi@redhat.com, anthony@codemonkey.ws, Anthony PERARD Subject: [Qemu-devel] [PATCH v7 6/6] xen: do not allocate RAM during INMIGRATE runstate X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Anthony PERARD Signed-off-by: Anthony PERARD Signed-off-by: Stefano Stabellini --- xen-all.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/xen-all.c b/xen-all.c index 972cffd..10d53d1 100644 --- a/xen-all.c +++ b/xen-all.c @@ -190,6 +190,14 @@ 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 */ + fprintf(stderr, "%s: do not alloc "RAM_ADDR_FMT + " bytes of ram at "RAM_ADDR_FMT" when runstate is INMIGRATE\n", + __func__, size, ram_addr); + return; + } + if (mr == &ram_memory) { return; }