From patchwork Mon Jul 20 11:37:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 277713 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=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 11AD1C433DF for ; Mon, 20 Jul 2020 11:39:36 +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 D266C22B4E for ; Mon, 20 Jul 2020 11:39:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=irrelevant.dk header.i=@irrelevant.dk header.b="yLkkJHxu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D266C22B4E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:46972 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jxU8s-0000dU-VX for qemu-devel@archiver.kernel.org; Mon, 20 Jul 2020 07:39:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37136) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jxU7M-0007Dt-1V; Mon, 20 Jul 2020 07:38:00 -0400 Received: from charlie.dont.surf ([128.199.63.193]:46818) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jxU7J-000591-S4; Mon, 20 Jul 2020 07:37:59 -0400 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by charlie.dont.surf (Postfix) with ESMTPSA id 1734DBF5F1; Mon, 20 Jul 2020 11:37:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=irrelevant.dk; s=default; t=1595245076; bh=vsnotRhFSS5IYoynCnSdciNJb6PJVQIXYMWChraynq4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yLkkJHxuHQm03PhdiQT1Syp3IU37Pba3L5z0l5plbIYU6X2aAD6DWXcstwvzS7R4a EEldgDsF09a3hMmn16AvWZPdKiiy339Qb+9+wJ7wfgAEc39CgQgxxYJ+/gGuatZfN5 3bbxiIFXpDT3IBdIyTuv+loKNyaAAat1ZEdOiHzSNzojhcfEwOgUvmO438Lp031sIw nqHGKh72u6uXRGJ67cMd4gsEffD3feq26jAn3e2Pl+t4/mjUknRTaX5Hk5ivGOhuJg nr+j/bpm1Se+Dw8upC/Bswtb/2WLchVQqCfo4p1SNASpX0qYLk4pYhApXIThnypnQe kiEVqfUIGK3zg== From: Klaus Jensen To: qemu-devel@nongnu.org Subject: [PATCH 01/16] hw/block/nvme: memset preallocated requests structures Date: Mon, 20 Jul 2020 13:37:33 +0200 Message-Id: <20200720113748.322965-2-its@irrelevant.dk> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200720113748.322965-1-its@irrelevant.dk> References: <20200720113748.322965-1-its@irrelevant.dk> MIME-Version: 1.0 Received-SPF: pass client-ip=128.199.63.193; envelope-from=its@irrelevant.dk; helo=charlie.dont.surf X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/20 07:37:55 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=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 , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Keith Busch , Klaus Jensen , Maxim Levitsky Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen This is preparatory to subsequent patches that change how QSGs/IOVs are handled. It is important that the qsg and iov members of the NvmeRequest are initially zeroed. Signed-off-by: Klaus Jensen Reviewed-by: Maxim Levitsky --- hw/block/nvme.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 841c18920c4e..4d7b730a62b6 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -653,7 +653,7 @@ static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, sq->size = size; sq->cqid = cqid; sq->head = sq->tail = 0; - sq->io_req = g_new(NvmeRequest, sq->size); + sq->io_req = g_new0(NvmeRequest, sq->size); QTAILQ_INIT(&sq->req_list); QTAILQ_INIT(&sq->out_req_list);