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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z36-20020a630a64000000b0045a5d846af1si14585336pgk.134.2022.11.08.05.04.59; Tue, 08 Nov 2022 05:05:15 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=fail header.i=@oracle.com header.s=corp-2022-7-12 header.b=qPZh7p9D; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234303AbiKHNAb (ORCPT + 99 others); Tue, 8 Nov 2022 08:00:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234224AbiKHNAa (ORCPT ); Tue, 8 Nov 2022 08:00:30 -0500 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6748514D00 for ; Tue, 8 Nov 2022 05:00:29 -0800 (PST) Received: from pps.filterd (m0246629.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 2A8C9Or5009799; Tue, 8 Nov 2022 12:59:29 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=corp-2022-7-12; bh=FkA06drFvoohZOAdtjadciWDeXolGizxDkgRyYuiORY=; b=qPZh7p9DtLx44ReKOkmgNZH8JVJHDp9qwcIPpOOBAunnsT14EjuaIlzJr2euVtCgOgpS zq461cPoL9ieX+5eab6yjY+Xu1VlhLMQZht4ITlEXzmxZh3gLV1BXzp4KHsHCTh39aAv CVzcMgpUC/dro2fC4F/9079yZICWmde3AEiq29RPGuS2KxxwZaDwEBNgGcUtuiaI2gpU VTM4pFRYaMK4gZR7CkPo/KqnsUoewf6KedJA8zwnIGamgSwvbJUhkhNjqcvIV72mAZWO J7WhdqhImUl6AVfkyYy8F2aQ4XMc8xFYwYelL9oB1omHTz0xAMDX/JROjmefjMeFJ19m GQ== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3kngreq23d-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 08 Nov 2022 12:59:28 +0000 Received: from pps.filterd (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.5/8.17.1.5) with ESMTP id 2A8A5mNr030074; Tue, 8 Nov 2022 12:59:28 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3kpctkc73x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 08 Nov 2022 12:59:28 +0000 Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 2A8CxRG4027177; Tue, 8 Nov 2022 12:59:27 GMT Received: from ca-dev112.us.oracle.com (ca-dev112.us.oracle.com [10.129.136.47]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3kpctkc73p-1; Tue, 08 Nov 2022 12:59:27 +0000 From: Harshit Mogalapalli Cc: harshit.m.mogalapalli@oracle.com, konrad.wilk@oracle.com, harshit.m.mogalapalli@gmail.com, David Woodhouse , Lu Baolu , Joerg Roedel , Will Deacon , Robin Murphy , iommu@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [RFC] iommu/vt-d: set default value of INTEL_IOMMU_FLOPPY_WA to n Date: Tue, 8 Nov 2022 04:58:55 -0800 Message-Id: <20221108125855.2984751-1-harshit.m.mogalapalli@oracle.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-07_11,2022-11-08_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 spamscore=0 bulkscore=0 adultscore=0 mlxscore=0 suspectscore=0 malwarescore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211080076 X-Proofpoint-ORIG-GUID: QcCHY4EIHo5OTCgg4UQclcgiztWbC31S X-Proofpoint-GUID: QcCHY4EIHo5OTCgg4UQclcgiztWbC31S X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748933243654995450?= X-GMAIL-MSGID: =?utf-8?q?1748933243654995450?= It is likely that modern intel motherboard will not ship with a floppy connection anymore, so let us disable it by default, as it gets turned on when we do a make defconfig. Suggested-by: Konrad Rzeszutek Wilk Signed-off-by: Harshit Mogalapalli --- drivers/iommu/intel/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig index b7dff5092fd2..c783ae85ca9b 100644 --- a/drivers/iommu/intel/Kconfig +++ b/drivers/iommu/intel/Kconfig @@ -76,7 +76,7 @@ config INTEL_IOMMU_BROKEN_GFX_WA option is removed in the 2.6.32 kernel. config INTEL_IOMMU_FLOPPY_WA - def_bool y + def_bool n depends on X86 help Floppy disk drivers are known to bypass DMA API calls