From patchwork Tue Jun 30 12:27:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prasad Pandit X-Patchwork-Id: 11633877 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 9C004739 for ; Tue, 30 Jun 2020 12:30:15 +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 41F8220672 for ; Tue, 30 Jun 2020 12:30:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="SpyFMVb9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41F8220672 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:41462 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqFOw-00046V-7q for patchwork-qemu-devel@patchwork.kernel.org; Tue, 30 Jun 2020 08:30:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42214) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqFOM-0003c9-0U for qemu-devel@nongnu.org; Tue, 30 Jun 2020 08:29:38 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:57514 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jqFOK-0003Lr-CW for qemu-devel@nongnu.org; Tue, 30 Jun 2020 08:29:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593520175; 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; bh=qUnq+5GZ9xwCAFtpDMIsDBMX1qgmSY9o4mcNiNUP51Y=; b=SpyFMVb9LnXstO1Am12RIz0l+mzxJjRKnRyYStP8RIHnl2tilT245HzSE11WW5dp8Pu2ln Bf6lRI1vmAIibUfxXh6xy2rSfgUrHhbmcPG/jsL8xOr6ah810+JGpadltykH4Y2TdzaSbh ALoJDairBW71NdZCSZ1qUrKkUC6QCiY= 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-252-FEn-QtqaNkWZkDIxLvhiUw-1; Tue, 30 Jun 2020 08:29:30 -0400 X-MC-Unique: FEn-QtqaNkWZkDIxLvhiUw-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5FD2E80183C; Tue, 30 Jun 2020 12:29:29 +0000 (UTC) Received: from localhost.localdomain (unknown [10.40.192.58]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4194618211; Tue, 30 Jun 2020 12:29:13 +0000 (UTC) From: P J P To: Paolo Bonzini Subject: [PATCH v3 0/9] memory: assert and define MemoryRegionOps callbacks Date: Tue, 30 Jun 2020 17:57:01 +0530 Message-Id: <20200630122710.1119158-1-ppandit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ppandit@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=ppandit@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/30 03:55:26 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: Peter Maydell , Prasad J Pandit , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Li Qiang , QEMU Developers , Lei Sun , Alex Williamson , =?utf-8?q?Alex_Benn=C3=A9e?= , David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Prasad J Pandit Hello, * This series asserts that MemoryRegionOps objects define read/write callback methods. Thus avoids potential NULL pointer dereference. ex. -> https://git.qemu.org/?p=qemu.git;a=commit;h=bb15013ef34617eb1344f5276292cadd326c21b2 * Also adds various undefined MemoryRegionOps read/write functions to avoid potential assert failure. Thank you. --- Prasad J Pandit (9): hw/pci-host: add pci-intack write method pci-host: add pcie-msi read method vfio: add quirk device write method prep: add ppc-parity write method nvram: add nrf51_soc flash read method spapr_pci: add spapr msi read method tz-ppc: add dummy read/write methods imx7-ccm: add digprog mmio write method memory: assert MemoryRegionOps callbacks are defined hw/misc/imx7_ccm.c | 7 +++++++ hw/misc/tz-ppc.c | 14 ++++++++++++++ hw/nvram/nrf51_nvm.c | 5 +++++ hw/pci-host/designware.c | 9 +++++++++ hw/pci-host/prep.c | 8 ++++++++ hw/ppc/prep_systemio.c | 8 ++++++++ hw/ppc/spapr_pci.c | 13 +++++++++++-- hw/vfio/pci-quirks.c | 8 ++++++++ memory.c | 10 +++++++++- 9 files changed, 79 insertions(+), 3 deletions(-)