From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-133.freemail.mail.aliyun.com (out30-133.freemail.mail.aliyun.com [115.124.30.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DCABE47798F; Tue, 28 Apr 2026 13:14:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777382077; cv=none; b=OYAeE7l/EEdRGEv/JO42PV8OwSmrRaD6ZB/YbaE9/fTGeTC8xE2IH1JeaHuma9lV025zQf2JHoa77o6ljbXIzlP7lOzzahGYACYjq9hE1AnoL6ql1dKmQZhs2Xgd4+HJ+PCJX/mS5sYElxrdXB1mzp8RlRsR8fzrr/Wekav6tuE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777382077; c=relaxed/simple; bh=4xKIRapWnT2z6xwd1ZKn2asQzFjw891Qxs3StuBXga4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=h8NKQlgV4MDR3+z8GfH68dzSyNFQw6AYF0FvLPy9fPWtlHP4QsO51SnWkgVh0JbvqgOcN1w5YeH+ImsZaAWo54LTVAPPfo85NKGmC7souDE/gS74NkWdnbhRTId/sKamb76f3bdb+2qfN+gcIVqvohdWszq9/4v7WSx6a6yRKhI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=ZpfJ78H9; arc=none smtp.client-ip=115.124.30.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="ZpfJ78H9" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1777382072; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=7Qo2K+aVXskZxtjU2vtmdryTxJmRp8P78C8zyT6CDZ8=; b=ZpfJ78H9Ye9JoLqiUKCiRlIZ2NZhGPwX+BwTqQJfvmeU9oM35GGHl8HQbxIGJy/Sn2XRrJhRutJTmyIRCpICgTcy+RiF+BfuwDhaoKOweJhFKEHdCID5IuAptsFUTLeYhuh67yzlzEEpyA93U7czrJ/T/oULKHB3/mKyNh9FX2Y= X-Alimail-AntiSpam: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; Received: from localhost.localdomain(mailfrom:fangyu.yu@linux.alibaba.com fp:SMTPD_---0X1ubIHL_1777382068 cluster:ay36) by smtp.aliyun-inc.com; Tue, 28 Apr 2026 21:14:29 +0800 From: fangyu.yu@linux.alibaba.com To: joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, tjeznach@rivosinc.com, jgg@ziepe.ca, kevin.tian@intel.com, baolu.lu@linux.intel.com, vasant.hegde@amd.com, anup@brainfault.org, atish.patra@linux.dev, skhawaja@google.com, jgg@nvidia.com Cc: guoren@kernel.org, kvm@vger.kernel.org, iommu@lists.linux.dev, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Fangyu Yu Subject: [RFC PATCH 09/11] iommu/riscv: Add IOTINVAL.GVMA after updating 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> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Fangyu Yu Previously, only IOTINVAL.VMA was issued, which is insufficient for second-stage address translation consistency. Signed-off-by: Fangyu Yu --- drivers/iommu/riscv/iommu.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/riscv/iommu.c b/drivers/iommu/riscv/iommu.c index 1f7967074492..cb9d315e82ee 100644 --- a/drivers/iommu/riscv/iommu.c +++ b/drivers/iommu/riscv/iommu.c @@ -1065,12 +1065,15 @@ static void riscv_iommu_iodir_iotinval(struct riscv_iommu_device *iommu, /* * else: IOTINVAL.VMA with GV=1,AV=PSCV=0,and * GSCID=DC.iohgatp.GSCID - * + */ + riscv_iommu_cmd_send(iommu, &cmd); + /* * IOTINVAL.GVMA with GV=1,AV=0,and * GSCID=DC.iohgatp.GSCID - * TODO: For now, the Second-Stage feature have not yet been merged, - * also issue IOTINVAL.GVMA once second-stage support is merged. */ + riscv_iommu_cmd_inval_gvma(&cmd); + riscv_iommu_cmd_inval_set_gscid(&cmd, + FIELD_GET(RISCV_IOMMU_DC_IOHGATP_GSCID, iohgatp)); } riscv_iommu_cmd_send(iommu, &cmd); } -- 2.50.1