From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55472) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gZddG-0005j2-BZ for qemu-devel@nongnu.org; Wed, 19 Dec 2018 10:19:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gZddF-0003yX-6w for qemu-devel@nongnu.org; Wed, 19 Dec 2018 10:19:34 -0500 Received: from mx1.redhat.com ([209.132.183.28]:32918) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gZddF-0003xK-0a for qemu-devel@nongnu.org; Wed, 19 Dec 2018 10:19:33 -0500 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 2647CFD199 for ; Wed, 19 Dec 2018 15:19:32 +0000 (UTC) Received: from donizetti.redhat.com (ovpn-112-76.ams2.redhat.com [10.36.112.76]) by smtp.corp.redhat.com (Postfix) with ESMTP id 54B4317197 for ; Wed, 19 Dec 2018 15:19:31 +0000 (UTC) From: Paolo Bonzini Date: Wed, 19 Dec 2018 16:18:49 +0100 Message-Id: <20181219151917.3874-8-pbonzini@redhat.com> In-Reply-To: <20181219151917.3874-1-pbonzini@redhat.com> References: <20181219151917.3874-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 07/35] pam: wrap MemoryRegion initialization in a transaction List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org This avoids a few re-rendering of the memory AddressSpace. Signed-off-by: Paolo Bonzini --- hw/pci-host/pam.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/pci-host/pam.c b/hw/pci-host/pam.c index e361ecb7ee..aa5ecfd0c2 100644 --- a/hw/pci-host/pam.c +++ b/hw/pci-host/pam.c @@ -52,11 +52,13 @@ void init_pam(DeviceState *dev, MemoryRegion *ram_mem= ory, memory_region_init_alias(&mem->alias[2], OBJECT(dev), "pam-pci", ram= _memory, start, size); =20 + memory_region_transaction_begin(); for (i =3D 0; i < 4; ++i) { memory_region_set_enabled(&mem->alias[i], false); memory_region_add_subregion_overlap(system_memory, start, &mem->alias[i], 1); } + memory_region_transaction_commit(); mem->current =3D 0; } =20 --=20 2.20.1