From: Jason Gunthorpe <jgg@nvidia.com>
To: Vincent Chen <vincent.chen@sifive.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>,
Albert Ou <aou@eecs.berkeley.edu>,
iommu@lists.linux.dev, Joerg Roedel <joro@8bytes.org>,
linux-riscv@lists.infradead.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <pjw@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Tomasz Jeznach <tjeznach@rivosinc.com>,
Will Deacon <will@kernel.org>,
lihangjing@bytedance.com, Xu Lu <luxu.kernel@bytedance.com>,
patches@lists.linux.dev, xieyongji@bytedance.com
Subject: Re: [PATCH v2 0/5] Convert riscv to use the generic iommu page table
Date: Fri, 23 Jan 2026 09:52:34 -0400 [thread overview]
Message-ID: <20260123135234.GW1134360@nvidia.com> (raw)
In-Reply-To: <CABvJ_xhY_4ADOsVVbjhkBm8U1mKVOSwzKMfBw5mUsJe=kkUiLg@mail.gmail.com>
On Fri, Jan 23, 2026 at 08:29:01PM +0800, Vincent Chen wrote:
> With this codebase, the IOMMU group type is now correctly configured as
> DMA:
>
> # cat /sys/kernel/iommu_groups/0/type
> DMA
> # cat /sys/kernel/iommu_groups/1/type
> DMA
>
> I re-ran the iperf3 test in this environment, and the test passed
> successfully.
OK great thanks alot!
I'm surprised it doesn't say DMA-FQ, someone from RISCV may want to
investigate that, it is probably reducing performance..
Jason
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2026-01-23 13:53 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-06 15:06 [PATCH v2 0/5] Convert riscv to use the generic iommu page table Jason Gunthorpe
2026-01-06 15:06 ` [PATCH v2 1/5] iommupt: Add the RISC-V page table format Jason Gunthorpe
2026-01-30 19:21 ` Andrew Jones
2026-01-30 23:47 ` Jason Gunthorpe
2026-01-06 15:06 ` [PATCH v2 2/5] iommu/riscv: Disable SADE Jason Gunthorpe
2026-01-06 15:06 ` [PATCH v2 3/5] iommu/riscv: Use the generic iommu page table Jason Gunthorpe
2026-01-06 15:06 ` [PATCH v2 4/5] iommu/riscv: Enable SVNAPOT support for contiguous ptes Jason Gunthorpe
2026-01-06 15:06 ` [PATCH v2 5/5] iommu/riscv: Allow RISC_VIOMMU to COMPILE_TEST Jason Gunthorpe
2026-01-30 19:58 ` Andrew Jones
2026-01-30 23:44 ` Jason Gunthorpe
2026-02-04 16:09 ` Andrew Jones
2026-01-22 1:46 ` [PATCH v2 0/5] Convert riscv to use the generic iommu page table Vincent Chen
2026-01-22 15:31 ` Jason Gunthorpe
2026-01-23 3:05 ` Vincent Chen
2026-01-23 12:29 ` Vincent Chen
2026-01-23 13:52 ` Jason Gunthorpe [this message]
2026-01-29 11:21 ` Robin Murphy
2026-01-31 0:27 ` Jason Gunthorpe
2026-02-02 14:00 ` Robin Murphy
2026-02-02 14:37 ` Jason Gunthorpe
2026-02-02 16:43 ` Robin Murphy
2026-01-22 7:56 ` Joerg Roedel
2026-01-29 0:46 ` Jason Gunthorpe
2026-01-30 23:14 ` Paul Walmsley
2026-01-31 1:28 ` Tomasz Jeznach
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260123135234.GW1134360@nvidia.com \
--to=jgg@nvidia.com \
--cc=alex@ghiti.fr \
--cc=aou@eecs.berkeley.edu \
--cc=iommu@lists.linux.dev \
--cc=joro@8bytes.org \
--cc=lihangjing@bytedance.com \
--cc=linux-riscv@lists.infradead.org \
--cc=luxu.kernel@bytedance.com \
--cc=palmer@dabbelt.com \
--cc=patches@lists.linux.dev \
--cc=pjw@kernel.org \
--cc=robin.murphy@arm.com \
--cc=tjeznach@rivosinc.com \
--cc=vincent.chen@sifive.com \
--cc=will@kernel.org \
--cc=xieyongji@bytedance.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox