From patchwork Thu Mar 16 09:01:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 9627691 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DFE296048C for ; Thu, 16 Mar 2017 09:02:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D43B227F99 for ; Thu, 16 Mar 2017 09:02:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C8F75281B7; Thu, 16 Mar 2017 09:02:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7663527F99 for ; Thu, 16 Mar 2017 09:02:22 +0000 (UTC) Received: from localhost ([::1]:41691 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1coRIb-0003QL-D2 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 16 Mar 2017 05:02:21 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41641) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1coRI9-0003Ox-TW for qemu-devel@nongnu.org; Thu, 16 Mar 2017 05:01:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1coRI9-00009A-6B for qemu-devel@nongnu.org; Thu, 16 Mar 2017 05:01:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50752) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1coRI9-00008c-11 for qemu-devel@nongnu.org; Thu, 16 Mar 2017 05:01:53 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F375A7E9DA for ; Thu, 16 Mar 2017 09:01:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com F375A7E9DA Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=quintela@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com F375A7E9DA Received: from secure.mitica (ovpn-116-230.ams2.redhat.com [10.36.116.230]) by smtp.corp.redhat.com (Postfix) with ESMTP id 084C85C3FA; Thu, 16 Mar 2017 09:01:51 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Date: Thu, 16 Mar 2017 10:01:40 +0100 Message-Id: <20170316090141.13421-6-quintela@redhat.com> In-Reply-To: <20170316090141.13421-1-quintela@redhat.com> References: <20170316090141.13421-1-quintela@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 16 Mar 2017 09:01:53 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 5/6] RAMBlocks: qemu_ram_is_shared X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dgilbert@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: "Dr. David Alan Gilbert" Provide a helper to say whether a RAMBlock was created as a shared mapping. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- exec.c | 5 +++++ include/exec/cpu-common.h | 1 + 2 files changed, 6 insertions(+) diff --git a/exec.c b/exec.c index a22f5a0..e57a8a2 100644 --- a/exec.c +++ b/exec.c @@ -1561,6 +1561,11 @@ const char *qemu_ram_get_idstr(RAMBlock *rb) return rb->idstr; } +bool qemu_ram_is_shared(RAMBlock *rb) +{ + return rb->flags & RAM_SHARED; +} + /* Called with iothread lock held. */ void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev) { diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index b62f0d8..4d45a72 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -69,6 +69,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset, void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev); void qemu_ram_unset_idstr(RAMBlock *block); const char *qemu_ram_get_idstr(RAMBlock *rb); +bool qemu_ram_is_shared(RAMBlock *rb); size_t qemu_ram_pagesize(RAMBlock *block); size_t qemu_ram_pagesize_largest(void);