[{"id":3676145,"web_url":"http://patchwork.ozlabs.org/comment/3676145/","msgid":"<20260411124717.GE3694781@ziepe.ca>","list_archive_url":null,"date":"2026-04-11T12:47:17","subject":"Re: [PATCH 1/2] iommu/riscv: Advertise Svpbmt support to generic\n page table","submitter":{"id":73018,"url":"http://patchwork.ozlabs.org/api/people/73018/","name":"Jason Gunthorpe","email":"jgg@ziepe.ca"},"content":"On Sat, Apr 11, 2026 at 10:22:22AM +0800, fangyu.yu@linux.alibaba.com wrote:\n> From: Fangyu Yu \n> \n> The RISC-V IOMMU can optionally support Svpbmt page-based memory types\n> in its page table format. When present,the generic page table code can\n> use this capability to encode memory attributes (e.g. MMIO vs normal\n> memory) in PTEs.\n> \n> Signed-off-by: Fangyu Yu \n> ---\n> drivers/iommu/riscv/iommu.c | 2 ++\n> include/linux/generic_pt/common.h | 1 +\n> 2 files changed, 3 insertions(+)\n\nReviewed-by: Jason Gunthorpe \n\nJason","headers":{"Return-Path":"\n ","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=Lgb3uM5c;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n secure) header.d=ziepe.ca header.i=@ziepe.ca header.a=rsa-sha256\n header.s=google header.b=DAl6t+VQ;\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 4ftD305vhBz1yCx\n\tfor ; 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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: On Sat, Apr 11, 2026 at 10:22:22AM +0800,\n fangyu.yu@linux.alibaba.com\n wrote: > From: Fangyu Yu > > The RISC-V\n IOMMU\n can optionally support Svpbmt page-based memory types [...]\n Content analysis details: (-2.1 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 [2607:f8b0:4864:20:0:0:0:736 listed in]\n [list.dnswl.org]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\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_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]","X-BeenThere":"kvm-riscv@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"kvm-riscv\" ","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}},{"id":3676188,"web_url":"http://patchwork.ozlabs.org/comment/3676188/","msgid":"","list_archive_url":null,"date":"2026-04-11T16:51:57","subject":"Re: [PATCH 1/2] iommu/riscv: Advertise Svpbmt support to generic page\n table","submitter":{"id":33417,"url":"http://patchwork.ozlabs.org/api/people/33417/","name":"Anup Patel","email":"anup@brainfault.org"},"content":"On Sat, Apr 11, 2026 at 7:52 AM wrote:\n>\n> From: Fangyu Yu \n>\n> The RISC-V IOMMU can optionally support Svpbmt page-based memory types\n> in its page table format. When present,the generic page table code can\n> use this capability to encode memory attributes (e.g. MMIO vs normal\n> memory) in PTEs.\n>\n> Signed-off-by: Fangyu Yu \n\nLooks good from RISC-V perspective.\n\nReviewed-by: Anup Patel \n\nRegards,\nAnup\n\n\n> ---\n> drivers/iommu/riscv/iommu.c | 2 ++\n> include/linux/generic_pt/common.h | 1 +\n> 2 files changed, 3 insertions(+)\n>\n> diff --git a/drivers/iommu/riscv/iommu.c b/drivers/iommu/riscv/iommu.c\n> index c7d0342aa747..e53883935563 100644\n> --- a/drivers/iommu/riscv/iommu.c\n> +++ b/drivers/iommu/riscv/iommu.c\n> @@ -1194,6 +1194,8 @@ static struct iommu_domain *riscv_iommu_alloc_paging_domain(struct device *dev)\n> cfg.common.features = BIT(PT_FEAT_SIGN_EXTEND) |\n> BIT(PT_FEAT_FLUSH_RANGE) |\n> BIT(PT_FEAT_RISCV_SVNAPOT_64K);\n> + if (iommu->caps & RISCV_IOMMU_CAPABILITIES_SVPBMT)\n> + cfg.common.features |= BIT(PT_FEAT_RISCV_SVPBMT);\n> domain->riscvpt.iommu.nid = dev_to_node(iommu->dev);\n> domain->domain.ops = &riscv_iommu_paging_domain_ops;\n>\n> diff --git a/include/linux/generic_pt/common.h b/include/linux/generic_pt/common.h\n> index fc5d0b5edadc..dfadf8a5752a 100644\n> --- a/include/linux/generic_pt/common.h\n> +++ b/include/linux/generic_pt/common.h\n> @@ -188,6 +188,7 @@ enum {\n> * Support the 64k contiguous page size following the Svnapot extension.\n> */\n> PT_FEAT_RISCV_SVNAPOT_64K = PT_FEAT_FMT_START,\n> + PT_FEAT_RISCV_SVPBMT,\n>\n> };\n>\n> --\n> 2.50.1\n>\n>","headers":{"Return-Path":"\n ","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=B6e7Uax6;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=brainfault-org.20251104.gappssmtp.com\n header.i=@brainfault-org.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=gpSB9sts;\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; 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Sat, 11 Apr 2026\n 09:52:09 -0700 (PDT)","MIME-Version":"1.0","References":"<20260411022223.91029-1-fangyu.yu@linux.alibaba.com>\n <20260411022223.91029-2-fangyu.yu@linux.alibaba.com>","In-Reply-To":"<20260411022223.91029-2-fangyu.yu@linux.alibaba.com>","From":"Anup Patel ","Date":"Sat, 11 Apr 2026 22:21:57 +0530","X-Gm-Features":"AQROBzBrpzfznEAFbbO-vdp8iuvh-4Q6CVGLr2K3uMPPDNj279HD1Tp5_HAL7qw","Message-ID":"\n ","Subject":"Re: [PATCH 1/2] iommu/riscv: Advertise Svpbmt support to generic page\n table","To":"fangyu.yu@linux.alibaba.com","Cc":"joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, pjw@kernel.org,\n\tpalmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr,\n\ttjeznach@rivosinc.com, jgg@ziepe.ca, kevin.tian@intel.com,\n\tbaolu.lu@linux.intel.com, vasant.hegde@amd.com, guoren@kernel.org,\n\tiommu@lists.linux.dev, kvm-riscv@lists.infradead.org,\n\tlinux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20260411_095210_530899_CF774B49 ","X-CRM114-Status":"GOOD ( 14.88 )","X-Spam-Score":"-1.9 (-)","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: On Sat, Apr 11,\n 2026 at 7:52 AM \n wrote: > > From: Fangyu Yu > > The RISC-V\n IOMMU\n can optionally support Svpbmt page-based memory types > in i [...]\n Content analysis details: (-1.9 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 [2607:f8b0:4864:20:0:0:0:333 listed in]\n [list.dnswl.org]\n 0.0 SPF_NONE SPF: sender does not publish an SPF Record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\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 -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]","X-BeenThere":"kvm-riscv@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Sender":"\"kvm-riscv\" ","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}},{"id":3676283,"web_url":"http://patchwork.ozlabs.org/comment/3676283/","msgid":"","list_archive_url":null,"date":"2026-04-12T13:03:54","subject":"Re: [PATCH 1/2] iommu/riscv: Advertise Svpbmt support to generic page\n table","submitter":{"id":75626,"url":"http://patchwork.ozlabs.org/api/people/75626/","name":"Guo Ren","email":"guoren@kernel.org"},"content":"On Sat, Apr 11, 2026 at 10:22 AM wrote:\n>\n> From: Fangyu Yu \n>\n> The RISC-V IOMMU can optionally support Svpbmt page-based memory types\n> in its page table format. When present,the generic page table code can\n> use this capability to encode memory attributes (e.g. MMIO vs normal\n> memory) in PTEs.\n>\n> Signed-off-by: Fangyu Yu \n> ---\n> drivers/iommu/riscv/iommu.c | 2 ++\n> include/linux/generic_pt/common.h | 1 +\n> 2 files changed, 3 insertions(+)\n>\n> diff --git a/drivers/iommu/riscv/iommu.c b/drivers/iommu/riscv/iommu.c\n> index c7d0342aa747..e53883935563 100644\n> --- a/drivers/iommu/riscv/iommu.c\n> +++ b/drivers/iommu/riscv/iommu.c\n> @@ -1194,6 +1194,8 @@ static struct iommu_domain *riscv_iommu_alloc_paging_domain(struct device *dev)\n> cfg. common.features = BIT(PT_FEAT_SIGN_EXTEND) |\n> BIT(PT_FEAT_FLUSH_RANGE) |\n> BIT(PT_FEAT_RISCV_SVNAPOT_64K);\n> + if (iommu->caps & RISCV_IOMMU_CAPABILITIES_SVPBMT)\n> + cfg.common.features |= BIT(PT_FEAT_RISCV_SVPBMT);\n> domain->riscvpt.iommu.nid = dev_to_node(iommu->dev);\n> domain->domain.ops = &riscv_iommu_paging_domain_ops;\n>\n> diff --git a/include/linux/generic_pt/common.h b/include/linux/generic_pt/common.h\n> index fc5d0b5edadc..dfadf8a5752a 100644\n> --- a/include/linux/generic_pt/common.h\n> +++ b/include/linux/generic_pt/common.h\n> @@ -188,6 +188,7 @@ enum {\n> * Support the 64k contiguous page size following the Svnapot extension.\n> */\n> PT_FEAT_RISCV_SVNAPOT_64K = PT_FEAT_FMT_START,\n> + PT_FEAT_RISCV_SVPBMT,\n>\n> };\n>\n> --\n> 2.50.1\n>\n\nReviewed-by: Guo Ren \n\n\n--\nBest Regards\n Guo Ren","headers":{"Return-Path":"\n ","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=EmyhFXND;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=acUj9fiO;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=temperror (SPF Temporary Error: DNS Timeout)\n smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133;\n 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 4ftrNj6F3Tz1y2d\n\tfor ; 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If you have any questions, see\n the administrator of that system for details.\n Content preview: On Sat, Apr 11,\n 2026 at 10:22 AM \n wrote: > > From: Fangyu Yu > > The RISC-V\n IOMMU\n can optionally support Svpbmt page-based memory types > in [...]\n Content analysis details: (-2.6 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\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_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n 0.0 RCVD_IN_VALIDITY_CERTIFIED_BLOCKED RBL: ADMINISTRATOR NOTICE: The\n query to Validity was blocked. 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See\n https://knowledge.validity.com/hc/en-us/articles/20961730681243\n for more information.\n [172.234.252.31 listed in\n bl.score.senderscore.com]\n -0.5 DKIMWL_WL_HIGH DKIMwl.org - High trust sender","X-BeenThere":"kvm-riscv@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Sender":"\"kvm-riscv\" ","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}},{"id":3676418,"web_url":"http://patchwork.ozlabs.org/comment/3676418/","msgid":"","list_archive_url":null,"date":"2026-04-13T02:55:00","subject":"Re: [PATCH 1/2] iommu/riscv: Advertise Svpbmt support to generic page\n table","submitter":{"id":91422,"url":"http://patchwork.ozlabs.org/api/people/91422/","name":"Nutty.Liu","email":"nutty.liu@hotmail.com"},"content":"On 4/11/2026 10:22 AM, fangyu.yu@linux.alibaba.com wrote:\n> From: Fangyu Yu \n>\n> The RISC-V IOMMU can optionally support Svpbmt page-based memory types\n> in its page table format. When present,the generic page table code can\n> use this capability to encode memory attributes (e.g. MMIO vs normal\n> memory) in PTEs.\n>\n> Signed-off-by: Fangyu Yu \n> ---\n> drivers/iommu/riscv/iommu.c | 2 ++\n> include/linux/generic_pt/common.h | 1 +\n> 2 files changed, 3 insertions(+)\nReviewed-by: Nutty Liu \n\nThanks,\nNutty","headers":{"Return-Path":"\n ","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=iFonbwWH;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=hotmail.com header.i=@hotmail.com header.a=rsa-sha256\n header.s=selector1 header.b=gdECFVHv;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n 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aou@eecs.berkeley.edu, alex@ghiti.fr, tjeznach@rivosinc.com, jgg@ziepe.ca,\n kevin.tian@intel.com, baolu.lu@linux.intel.com, vasant.hegde@amd.com","Cc":"guoren@kernel.org, iommu@lists.linux.dev, kvm-riscv@lists.infradead.org,\n linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org","References":"<20260411022223.91029-1-fangyu.yu@linux.alibaba.com>\n <20260411022223.91029-2-fangyu.yu@linux.alibaba.com>","Content-Language":"en-US","From":"\"Nutty.Liu\" ","In-Reply-To":"<20260411022223.91029-2-fangyu.yu@linux.alibaba.com>","X-ClientProxiedBy":"SGAP274CA0012.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b6::24)\n To SE3PR04MB8922.apcprd04.prod.outlook.com (2603:1096:101:2e9::7)","X-Microsoft-Original-Message-ID":"\n 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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: On 4/11/2026 10:22 AM,\n > From: Fangyu Yu > > The RISC-V IOMMU\n can optionally support Svpbmt page-based memory types > in its page table\n format. When present,the generic page table code can > use [...]\n Content analysis details: (-1.2 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 SPF_PASS SPF: sender matches SPF record\n -0.0 SPF_HELO_PASS SPF: HELO matches SPF record\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_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n 0.9 FORGED_HOTMAIL_RCVD2 hotmail.com 'From' address, but no 'Received:'\n 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail\n provider\n [nutty.liu(at)hotmail.com]","X-BeenThere":"kvm-riscv@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Transfer-Encoding":"7bit","Content-Type":"text/plain; charset=\"us-ascii\"; Format=\"flowed\"","Sender":"\"kvm-riscv\" ","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}},{"id":3676491,"web_url":"http://patchwork.ozlabs.org/comment/3676491/","msgid":"","list_archive_url":null,"date":"2026-04-13T06:45:07","subject":"RE: [PATCH 1/2] iommu/riscv: Advertise Svpbmt support to generic page\n table","submitter":{"id":4529,"url":"http://patchwork.ozlabs.org/api/people/4529/","name":"Tian, Kevin","email":"kevin.tian@intel.com"},"content":"> From: fangyu.yu@linux.alibaba.com \n> Sent: Saturday, April 11, 2026 10:22 AM\n> \n> diff --git a/include/linux/generic_pt/common.h\n> b/include/linux/generic_pt/common.h\n> index fc5d0b5edadc..dfadf8a5752a 100644\n> --- a/include/linux/generic_pt/common.h\n> +++ b/include/linux/generic_pt/common.h\n> @@ -188,6 +188,7 @@ enum {\n> \t * Support the 64k contiguous page size following the Svnapot\n> extension.\n> \t */\n> \tPT_FEAT_RISCV_SVNAPOT_64K = PT_FEAT_FMT_START,\n> +\tPT_FEAT_RISCV_SVPBMT,\n> \n\nnit - every feature has a comment.\n\nReviewed-by: Kevin Tian ","headers":{"Return-Path":"\n ","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=Nx6AQ5lZ;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=LsJheUyg;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=none (no SPF record) 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If you have any questions, see\n the administrator of that system for details.\n Content preview: > From: fangyu.yu@linux.alibaba.com\n \n > Sent: Saturday, April 11,\n 2026 10:22 AM > > diff --git a/include/linux/generic_pt/common.h\n > b/include/linux/generic_pt/common.h > i [...]\n Content analysis details: (-4.9 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/,\n medium trust\n [198.175.65.9 listed in list.dnswl.org]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\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_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n 0.0 RCVD_IN_VALIDITY_CERTIFIED_BLOCKED RBL: ADMINISTRATOR NOTICE: The\n query to Validity was blocked. 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See\n https://knowledge.validity.com/hc/en-us/articles/20961730681243\n for more information.\n [198.175.65.9 listed in bl.score.senderscore.com]","X-BeenThere":"kvm-riscv@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"kvm-riscv\" ","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}},{"id":3676655,"web_url":"http://patchwork.ozlabs.org/comment/3676655/","msgid":"<20260413111601.26167-1-fangyu.yu@linux.alibaba.com>","list_archive_url":null,"date":"2026-04-13T11:16:01","subject":"Re: RE: [PATCH 1/2] iommu/riscv: Advertise Svpbmt support to generic\n page table ","submitter":{"id":91416,"url":"http://patchwork.ozlabs.org/api/people/91416/","name":null,"email":"fangyu.yu@linux.alibaba.com"},"content":">> From: fangyu.yu@linux.alibaba.com \n>> Sent: Saturday, April 11, 2026 10:22 AM\n>>\n>> diff --git a/include/linux/generic_pt/common.h\n>> b/include/linux/generic_pt/common.h\n>> index fc5d0b5edadc..dfadf8a5752a 100644\n>> --- a/include/linux/generic_pt/common.h\n>> +++ b/include/linux/generic_pt/common.h\n>> @@ -188,6 +188,7 @@ enum {\n>> \t * Support the 64k contiguous page size following the Svnapot\n>> extension.\n>> \t */\n>> \tPT_FEAT_RISCV_SVNAPOT_64K = PT_FEAT_FMT_START,\n>> +\tPT_FEAT_RISCV_SVPBMT,\n>>\n>\n>nit - every feature has a comment.\n\nThanks Kevin.\nI'll add a comment for PT_FEAT_RISCV_SVPBMT in the next revision.\n\nFangyu,\nThanks\n>\n>Reviewed-by: Kevin Tian ","headers":{"Return-Path":"\n ","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=cogYXQ50;\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=ZnsCP2/O;\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; 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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@linux.alibaba.com\n \n >> Sent: Saturday, April 11,\n 2026 10:22 AM >> >> diff --git a/include/linux/generic_pt/common.h\n >> b/include/linux/generic_pt/common. [...]\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 [115.124.30.100 listed in list.dnswl.org]\n 0.0 RCVD_IN_VALIDITY_CERTIFIED_BLOCKED RBL: ADMINISTRATOR NOTICE: The\n query to Validity was blocked. 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See\n https://knowledge.validity.com/hc/en-us/articles/20961730681243\n for more information.\n [115.124.30.100 listed in\n bl.score.senderscore.com]\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 -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 -0.1 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_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\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":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"kvm-riscv\" ","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}},{"id":3676713,"web_url":"http://patchwork.ozlabs.org/comment/3676713/","msgid":"<20260413123335.GH3694781@ziepe.ca>","list_archive_url":null,"date":"2026-04-13T12:33:35","subject":"Re: [PATCH 1/2] iommu/riscv: Advertise Svpbmt support to generic\n page table","submitter":{"id":73018,"url":"http://patchwork.ozlabs.org/api/people/73018/","name":"Jason Gunthorpe","email":"jgg@ziepe.ca"},"content":"On Mon, Apr 13, 2026 at 06:45:07AM +0000, Tian, Kevin wrote:\n> > From: fangyu.yu@linux.alibaba.com \n> > Sent: Saturday, April 11, 2026 10:22 AM\n> > \n> > diff --git a/include/linux/generic_pt/common.h\n> > b/include/linux/generic_pt/common.h\n> > index fc5d0b5edadc..dfadf8a5752a 100644\n> > --- a/include/linux/generic_pt/common.h\n> > +++ b/include/linux/generic_pt/common.h\n> > @@ -188,6 +188,7 @@ enum {\n> > \t * Support the 64k contiguous page size following the Svnapot\n> > extension.\n> > \t */\n> > \tPT_FEAT_RISCV_SVNAPOT_64K = PT_FEAT_FMT_START,\n> > +\tPT_FEAT_RISCV_SVPBMT,\n> > \n> \n> nit - every feature has a comment.\n> \n> Reviewed-by: Kevin Tian \n\nOh that's right, please add a good comment!\n\nJason","headers":{"Return-Path":"\n ","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=PLp4rXSc;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n secure) header.d=ziepe.ca header.i=@ziepe.ca header.a=rsa-sha256\n header.s=google header.b=GGCEBe42;\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; 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If you have any questions, see\n the administrator of that system for details.\n Content preview: On Mon, Apr 13, 2026 at 06:45:07AM +0000, Tian,\n Kevin wrote:\n > > From: fangyu.yu@linux.alibaba.com > >\n Sent:\n Saturday, April 11, 2026 10:22 AM > > > > diff --git a/includ [...]\n Content analysis details: (-2.1 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 [2607:f8b0:4864:20:0:0:0:72c listed in]\n [list.dnswl.org]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\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_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]","X-BeenThere":"kvm-riscv@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"kvm-riscv\" ","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}}]