{"id":2229560,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2229560/?format=json","web_url":"http://patchwork.ozlabs.org/project/kvm-riscv/patch/20260428131359.34872-10-fangyu.yu@linux.alibaba.com/","project":{"id":70,"url":"http://patchwork.ozlabs.org/api/1.1/projects/70/?format=json","name":"Linux KVM RISC-V","link_name":"kvm-riscv","list_id":"kvm-riscv.lists.infradead.org","list_email":"kvm-riscv@lists.infradead.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260428131359.34872-10-fangyu.yu@linux.alibaba.com>","date":"2026-04-28T13:13:57","name":"[RFC,09/11] iommu/riscv: Add IOTINVAL.GVMA after updating DDT/PDT entries","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"38ab89552a8ff7fec0414668eb7124e3fcbc627c","submitter":{"id":91416,"url":"http://patchwork.ozlabs.org/api/1.1/people/91416/?format=json","name":null,"email":"fangyu.yu@linux.alibaba.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/kvm-riscv/patch/20260428131359.34872-10-fangyu.yu@linux.alibaba.com/mbox/","series":[{"id":501850,"url":"http://patchwork.ozlabs.org/api/1.1/series/501850/?format=json","web_url":"http://patchwork.ozlabs.org/project/kvm-riscv/list/?series=501850","date":"2026-04-28T13:13:48","name":"iommu/riscv: Add hardware dirty tracking for second-stage domains","version":1,"mbox":"http://patchwork.ozlabs.org/series/501850/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2229560/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2229560/checks/","tags":{},"headers":{"Return-Path":"\n <kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=2J55nRl3;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com\n header.a=rsa-sha256 header.s=default header.b=ZpfJ78H9;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g4grf0ppQz1xrS\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 28 Apr 2026 23:14:42 +1000 (AEST)","from localhost ([::1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux))\n\tid 1wHiGu-00000001VBK-17gW;\n\tTue, 28 Apr 2026 13:14:40 +0000","from out30-130.freemail.mail.aliyun.com ([115.124.30.130])\n\tby bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux))\n\tid 1wHiGo-00000001V2U-2VYf;\n\tTue, 28 Apr 2026 13:14:36 +0000","from localhost.localdomain(mailfrom:fangyu.yu@linux.alibaba.com\n fp:SMTPD_---0X1ubIHL_1777382068 cluster:ay36)\n          by smtp.aliyun-inc.com;\n          Tue, 28 Apr 2026 21:14:29 +0800"],"DKIM-Signature":["v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:\n\tMessage-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=USRSGp3nPhHNE+iVc1Kngcs4FUthhYbfqb3tuvwxopM=; b=2J55nRl3VKovA3\n\tw+O0j+qg7I1kZ+VWMSYB3AgzrrYNXPruX+4IGOK+0FCu0YJIjcCTjv7V/tPqwmr2CIzO7JU1eop8G\n\t7iTFkSsbitgGiDcZpbU6M+vvF92388MJjKGlQTGlvge0kHEOdWmxCmW/9zck+zXHcSVntNqb8dljX\n\toEkrtlOOI6MntOP4bfk897Wye4FuebcA9LhmVXwJOAip5+VykgMhz9R52WsO3vTJz/qV0GMLJHgyu\n\tzLksbMGqltq15U4xcMQfMYHl0xBvBxK0ww5ZAJiZUh6TJT7q6O+bqP2U0/TT3YCy6YBtcI//8Ooxf\n\tHYw4zNpt0acU/pXqEIUg==;","v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=linux.alibaba.com; s=default;\n\tt=1777382072; h=From:To:Subject:Date:Message-Id:MIME-Version;\n\tbh=7Qo2K+aVXskZxtjU2vtmdryTxJmRp8P78C8zyT6CDZ8=;\n\tb=ZpfJ78H9Ye9JoLqiUKCiRlIZ2NZhGPwX+BwTqQJfvmeU9oM35GGHl8HQbxIGJy/Sn2XRrJhRutJTmyIRCpICgTcy+RiF+BfuwDhaoKOweJhFKEHdCID5IuAptsFUTLeYhuh67yzlzEEpyA93U7czrJ/T/oULKHB3/mKyNh9FX2Y="],"X-Alimail-AntiSpam":"\n AC=PASS;BC=-1|-1;BR=01201311R161e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033037033178;MF=fangyu.yu@linux.alibaba.com;NM=1;PH=DS;RN=23;SR=0;TI=SMTPD_---0X1ubIHL_1777382068;","From":"fangyu.yu@linux.alibaba.com","To":"joro@8bytes.org,\n\twill@kernel.org,\n\trobin.murphy@arm.com,\n\tpjw@kernel.org,\n\tpalmer@dabbelt.com,\n\taou@eecs.berkeley.edu,\n\talex@ghiti.fr,\n\ttjeznach@rivosinc.com,\n\tjgg@ziepe.ca,\n\tkevin.tian@intel.com,\n\tbaolu.lu@linux.intel.com,\n\tvasant.hegde@amd.com,\n\tanup@brainfault.org,\n\tatish.patra@linux.dev,\n\tskhawaja@google.com,\n\tjgg@nvidia.com","Cc":"guoren@kernel.org,\n\tkvm@vger.kernel.org,\n\tiommu@lists.linux.dev,\n\tkvm-riscv@lists.infradead.org,\n\tlinux-riscv@lists.infradead.org,\n\tlinux-kernel@vger.kernel.org,\n\tFangyu Yu <fangyu.yu@linux.alibaba.com>","Subject":"[RFC PATCH 09/11] iommu/riscv: Add IOTINVAL.GVMA after updating\n DDT/PDT entries","Date":"Tue, 28 Apr 2026 21:13:57 +0800","Message-Id":"<20260428131359.34872-10-fangyu.yu@linux.alibaba.com>","X-Mailer":"git-send-email 2.39.3 (Apple Git-146)","In-Reply-To":"<20260428131359.34872-1-fangyu.yu@linux.alibaba.com>","References":"<20260428131359.34872-1-fangyu.yu@linux.alibaba.com>","MIME-Version":"1.0","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20260428_061435_198983_70CACE32 ","X-CRM114-Status":"UNSURE (   7.14  )","X-CRM114-Notice":"Please train this message.","X-Spam-Score":"-17.6 (-----------------)","X-Spam-Report":"Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam.  The original\n message has been attached to this so you can view it or label\n similar future email.  If you have any questions, see\n the administrator of that system for details.\n Content preview:  From: Fangyu Yu <fangyu.yu@linux.alibaba.com> Previously,\n   only IOTINVAL.VMA was issued,\n which is insufficient for second-stage address\n    translation consistency. Signed-off-by: Fangyu Yu\n <fangyu.yu@linux.alibaba.com>\n    --- drivers/iommu/riscv/iommu.c | 9 ++++++--- 1 file changed,\n 6 insertions(+),\n    3 deletions(-)\n Content analysis details:   (-17.6 points, 5.0 required)\n  pts rule name              description\n ---- ----------------------\n --------------------------------------------------\n -0.0 RCVD_IN_DNSWL_NONE     RBL: Sender listed at https://www.dnswl.org/, no\n                             trust\n                             [115.124.30.130 listed in list.dnswl.org]\n  0.0 RCVD_IN_MSPIKE_H2      RBL: Average reputation (+2)\n                             [115.124.30.130 listed in wl.mailspike.net]\n -7.5 USER_IN_DEF_SPF_WL     From: address is in the default SPF welcome-list\n  0.0 SPF_HELO_NONE          SPF: HELO does not publish an SPF Record\n -0.0 SPF_PASS               SPF: sender matches SPF record\n -7.5 USER_IN_DEF_DKIM_WL    From: address is in the default DKIM welcome-list\n -0.1 DKIM_VALID_EF          Message has a valid DKIM or DK signature from\n                             envelope-from domain\n  0.1 DKIM_SIGNED            Message has a DKIM or DK signature,\n not necessarily valid\n -0.1 DKIM_VALID             Message has at least one valid DKIM or DK\n signature\n -0.1 DKIM_VALID_AU          Message has a valid DKIM or DK signature from\n author's\n                             domain\n -1.9 BAYES_00               BODY: Bayes spam probability is 0 to 1%\n                             [score: 0.0000]\n -0.5 ENV_AND_HDR_SPF_MATCH  Env and Hdr From used in default SPF WL Match\n  0.0 UNPARSEABLE_RELAY      Informational: message has unparseable relay\n lines","X-BeenThere":"kvm-riscv@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"<kvm-riscv.lists.infradead.org>","List-Unsubscribe":"<http://lists.infradead.org/mailman/options/kvm-riscv>,\n <mailto:kvm-riscv-request@lists.infradead.org?subject=unsubscribe>","List-Archive":"<http://lists.infradead.org/pipermail/kvm-riscv/>","List-Post":"<mailto:kvm-riscv@lists.infradead.org>","List-Help":"<mailto:kvm-riscv-request@lists.infradead.org?subject=help>","List-Subscribe":"<http://lists.infradead.org/mailman/listinfo/kvm-riscv>,\n <mailto:kvm-riscv-request@lists.infradead.org?subject=subscribe>","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"kvm-riscv\" <kvm-riscv-bounces@lists.infradead.org>","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"},"content":"From: Fangyu Yu <fangyu.yu@linux.alibaba.com>\n\nPreviously, only IOTINVAL.VMA was issued, which is insufficient for\nsecond-stage address translation consistency.\n\nSigned-off-by: Fangyu Yu <fangyu.yu@linux.alibaba.com>\n---\n drivers/iommu/riscv/iommu.c | 9 ++++++---\n 1 file changed, 6 insertions(+), 3 deletions(-)","diff":"diff --git a/drivers/iommu/riscv/iommu.c b/drivers/iommu/riscv/iommu.c\nindex 1f7967074492..cb9d315e82ee 100644\n--- a/drivers/iommu/riscv/iommu.c\n+++ b/drivers/iommu/riscv/iommu.c\n@@ -1065,12 +1065,15 @@ static void riscv_iommu_iodir_iotinval(struct riscv_iommu_device *iommu,\n \t\t/*\n \t\t * else: IOTINVAL.VMA with GV=1,AV=PSCV=0,and\n \t\t * GSCID=DC.iohgatp.GSCID\n-\t\t *\n+\t\t */\n+\t\triscv_iommu_cmd_send(iommu, &cmd);\n+\t\t/*\n \t\t * IOTINVAL.GVMA with GV=1,AV=0,and\n \t\t * GSCID=DC.iohgatp.GSCID\n-\t\t * TODO: For now, the Second-Stage feature have not yet been merged,\n-\t\t * also issue IOTINVAL.GVMA once second-stage support is merged.\n \t\t */\n+\t\triscv_iommu_cmd_inval_gvma(&cmd);\n+\t\triscv_iommu_cmd_inval_set_gscid(&cmd,\n+\t\t\tFIELD_GET(RISCV_IOMMU_DC_IOHGATP_GSCID, iohgatp));\n \t}\n \triscv_iommu_cmd_send(iommu, &cmd);\n }\n","prefixes":["RFC","09/11"]}