From patchwork Mon Jun 29 19:50:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 11631973 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 92A0D14B7 for ; Mon, 29 Jun 2020 19:51:50 +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 7406520674 for ; Mon, 29 Jun 2020 19:51:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7406520674 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:33442 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jpzoj-0000QN-IY for patchwork-qemu-devel@patchwork.kernel.org; Mon, 29 Jun 2020 15:51:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57424) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jpznR-00074x-DR; Mon, 29 Jun 2020 15:50:29 -0400 Received: from charlie.dont.surf ([128.199.63.193]:46096) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jpznP-0005uO-2o; Mon, 29 Jun 2020 15:50:29 -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 5EB7FBF724; Mon, 29 Jun 2020 19:50:24 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH 01/17] hw/block/nvme: memset preallocated requests structures Date: Mon, 29 Jun 2020 21:50:01 +0200 Message-Id: <20200629195017.1217056-2-its@irrelevant.dk> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200629195017.1217056-1-its@irrelevant.dk> References: <20200629195017.1217056-1-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 = 2020/06/29 14:26:53 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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 , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Maxim Levitsky Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.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 fbe9b2d50895..3dbce536456c 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -618,7 +618,7 @@ 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);