From: fangyu.yu@linux.alibaba.com
To: andrew.jones@oss.qualcomm.com
Cc: alex@ghiti.fr, anup@brainfault.org, aou@eecs.berkeley.edu,
atish.patra@linux.dev, baolu.lu@linux.intel.com,
fangyu.yu@linux.alibaba.com, guoren@kernel.org,
iommu@lists.linux.dev, jgg@nvidia.com, jgg@ziepe.ca,
joro@8bytes.org, kevin.tian@intel.com,
kvm-riscv@lists.infradead.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
palmer@dabbelt.com, pjw@kernel.org, robin.murphy@arm.com,
skhawaja@google.com, tjeznach@rivosinc.com, vasant.hegde@amd.com,
will@kernel.org
Subject: Re: [RFC PATCH v2 01/10] iommupt: Add RISC-V Second-stage (iohgatp) page table support
Date: Tue, 18 Aug 2026 20:59:10 +0800 [thread overview]
Message-ID: <20260818125910.39784-1-fangyu.yu@linux.alibaba.com> (raw)
In-Reply-To: <lpnxdqyekcczbyxo3n7zxpbj7243gixdzutvngpvr24ozmc4jt@nsoblujgprhe>
>On Thu, May 07, 2026 at 07:36:57PM +0800, fangyu.yu@linux.alibaba.com wrote:
>...
>> diff --git a/include/linux/generic_pt/common.h b/include/linux/generic_pt/common.h
>> index fc5d0b5edadc..59448125159e 100644
>> --- a/include/linux/generic_pt/common.h
>> +++ b/include/linux/generic_pt/common.h
>> @@ -188,7 +188,10 @@ enum {
>> * Support the 64k contiguous page size following the Svnapot extension.
>> */
>> PT_FEAT_RISCV_SVNAPOT_64K = PT_FEAT_FMT_START,
>> -
>> + /*
>> + * Using second-stage / iohgatp address translation.
>> + */
>> + PT_FEAT_RISCV_S2,
>
>Hi Fangyu,
>
>I just sent [1], but I actually discovered that issue when testing this
>patch and finding PT_FEAT_RISCV_S2 was missing from PT_SUPPORTED_FEATURES.
>So this patch needs the same fix as [1] as well.
>
Hi Andrew,
Thanks for catching this. I'll fix it in the next revision.
>Thanks,
>drew
>
>[1] https://lore.kernel.org/all/20260818092444.42755-1-andrew.jones@oss.qualcomm.com/
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next prev parent reply other threads:[~2026-08-18 12:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-07 11:36 [RFC PATCH v2 00/10] iommu/riscv: Add hardware dirty tracking for second-stage domains fangyu.yu
2026-05-07 11:36 ` [RFC PATCH v2 01/10] iommupt: Add RISC-V Second-stage (iohgatp) page table support fangyu.yu
2026-08-18 9:30 ` Andrew Jones
2026-08-18 12:59 ` fangyu.yu [this message]
2026-05-07 11:36 ` [RFC PATCH v2 02/10] iommupt: Add RISC-V dirty tracking PTE ops fangyu.yu
2026-05-07 11:36 ` [RFC PATCH v2 03/10] iommu/riscv: report iommu capabilities fangyu.yu
2026-05-07 11:37 ` [RFC PATCH v2 04/10] iommu/riscv: use data structure instead of individual values fangyu.yu
2026-05-07 11:37 ` [RFC PATCH v2 05/10] iommu/riscv: support GSCID and GVMA invalidation command fangyu.yu
2026-08-18 10:59 ` Andrew Jones
2026-08-18 13:34 ` fangyu.yu
2026-05-07 11:37 ` [RFC PATCH v2 06/10] RISC-V: KVM: Enable KVM_VFIO interfaces on RISC-V arch fangyu.yu
2026-05-07 11:37 ` [RFC PATCH v2 07/10] iommu/riscv: Add domain_alloc_paging_flags for second-stage domain fangyu.yu
2026-08-18 11:05 ` Andrew Jones
2026-08-18 14:03 ` fangyu.yu
2026-05-07 11:37 ` [RFC PATCH v2 08/10] iommu/riscv: Pre-enable GADE for second-stage domains fangyu.yu
2026-05-07 11:37 ` [RFC PATCH v2 09/10] iommu/riscv: Add dirty tracking support " fangyu.yu
2026-05-07 11:37 ` [RFC PATCH v2 10/10] iommu/riscv: Add IOTINVAL.GVMA after updating DDT/PDT entries fangyu.yu
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