From patchwork Fri Dec 11 22:05:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 11969627 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0847C4361B for ; Fri, 11 Dec 2020 22:55:41 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 268D2206E5 for ; Fri, 11 Dec 2020 22:55:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 268D2206E5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:32980 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1knrK8-0004a0-8W for qemu-devel@archiver.kernel.org; Fri, 11 Dec 2020 17:55:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:60886) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1knqaG-0003IV-DY for qemu-devel@nongnu.org; Fri, 11 Dec 2020 17:08:16 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:24090) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1knqZv-0006sa-6k for qemu-devel@nongnu.org; Fri, 11 Dec 2020 17:08:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607724474; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aKfie8HDs4Bj5KUMmmQqgBylUh0kwLqLFFOC3bbKRvM=; b=PRgcoQoD6wsVXqM44d6LXXcAjdoKRGN/AFZ0XpiUY8/zd7aMXG1llu0kst0IIvxthPWELi AajpRTCIK1RiByeHGfliLt15ALO4qu47P7QKqSfyX1Y/AcNIa0CXoeY/ZHJtE2mX7DfBWh yP50F6AkRqCgiXbChW4VQrm12hNq/fg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-162-iKOqZwxBMPmdpSl-0f-5Iw-1; Fri, 11 Dec 2020 17:07:52 -0500 X-MC-Unique: iKOqZwxBMPmdpSl-0f-5Iw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E556A107ACE3; Fri, 11 Dec 2020 22:07:51 +0000 (UTC) Received: from localhost (ovpn-116-160.rdu2.redhat.com [10.10.116.160]) by smtp.corp.redhat.com (Postfix) with ESMTP id 08E3C5D9E2; Fri, 11 Dec 2020 22:07:47 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org Subject: [PATCH v4 31/32] qdev: Avoid unnecessary DeviceState* variable at set_prop_arraylen() Date: Fri, 11 Dec 2020 17:05:28 -0500 Message-Id: <20201211220529.2290218-32-ehabkost@redhat.com> In-Reply-To: <20201211220529.2290218-1-ehabkost@redhat.com> References: <20201211220529.2290218-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , "Daniel P. Berrange" , John Snow , Markus Armbruster , Paolo Bonzini , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Igor Mammedov , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Stefan Berger Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We're just doing pointer math with the device pointer, we can simply use obj instead. Reviewed-by: Marc-André Lureau Signed-off-by: Eduardo Habkost Reviewed-by: Igor Mammedov --- Cc: Paolo Bonzini Cc: "Daniel P. Berrangé" Cc: Eduardo Habkost Cc: qemu-devel@nongnu.org --- hw/core/qdev-properties.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 3d648b088d..9d25b49fc1 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -559,10 +559,9 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, * array-length field in the device struct, we have to create the * array itself and dynamically add the corresponding properties. */ - DeviceState *dev = DEVICE(obj); Property *prop = opaque; uint32_t *alenptr = object_field_prop_ptr(obj, prop); - void **arrayptr = (void *)dev + prop->arrayoffset; + void **arrayptr = (void *)obj + prop->arrayoffset; void *eltptr; const char *arrayname; int i; @@ -602,7 +601,7 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, * they get the right answer despite the array element not actually * being inside the device struct. */ - arrayprop->prop.offset = eltptr - (void *)dev; + arrayprop->prop.offset = eltptr - (void *)obj; assert(object_field_prop_ptr(obj, &arrayprop->prop) == eltptr); object_property_add(obj, propname, arrayprop->prop.info->name,