From: Nicolin Chen <nicolinc@nvidia.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>,
Alim Akhtar <alim.akhtar@samsung.com>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Albert Ou <aou@eecs.berkeley.edu>, <asahi@lists.linux.dev>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
"David Woodhouse" <dwmw2@infradead.org>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Heiko Stuebner <heiko@sntech.de>, <iommu@lists.linux.dev>,
Janne Grunau <j@jannau.net>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Joerg Roedel <joro@8bytes.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-arm-msm@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<linux-riscv@lists.infradead.org>,
<linux-rockchip@lists.infradead.org>,
<linux-s390@vger.kernel.org>, <linux-samsung-soc@vger.kernel.org>,
<linux-sunxi@lists.linux.dev>, <linux-tegra@vger.kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Matthew Rosato <mjrosato@linux.ibm.com>,
Neal Gompa <neal@gompa.dev>, Orson Zhai <orsonzhai@gmail.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Rob Clark <robin.clark@oss.qualcomm.com>,
"Robin Murphy" <robin.murphy@arm.com>,
Samuel Holland <samuel@sholland.org>,
"Sven Peter" <sven@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
"Krishna Reddy" <vdumpa@nvidia.com>,
<virtualization@lists.linux.dev>, Chen-Yu Tsai <wens@csie.org>,
Will Deacon <will@kernel.org>, Yong Wu <yong.wu@mediatek.com>,
Chunyan Zhang <zhang.lyra@gmail.com>,
Lu Baolu <baolu.lu@linux.intel.com>,
Kevin Tian <kevin.tian@intel.com>, <patches@lists.linux.dev>,
Niklas Schnelle <schnelle@linux.ibm.com>,
"Sven Peter" <sven@svenpeter.dev>,
Tomasz Jeznach <tjeznach@rivosinc.com>
Subject: Re: [PATCH v2 1/7] qiommu/arm-smmu-v3: Remove iommu_ops pgsize_bitmap
Date: Mon, 9 Jun 2025 15:15:47 -0700 [thread overview]
Message-ID: <aEddE8bupuaVJTEP@nvidia.com> (raw)
In-Reply-To: <1-v2-68a2e1ba507c+1fb-iommu_rm_ops_pgsize_jgg@nvidia.com>
On Mon, Jun 09, 2025 at 05:41:25PM -0300, Jason Gunthorpe wrote:
> The driver never reads this value, arm_smmu_domain_finalise() always sets
> domain.pgsize_bitmap to pgtbl_cfg, which comes from the per-smmu
> calculated value.
>
> Remove the ops version entirely, the related dead code and make
> arm_smmu_ops const.
>
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
> Acked-by: Will Deacon <will@kernel.org>
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Is "qiommu" a typo in the subject?
WARNING: multiple messages have this Message-ID (diff)
From: Nicolin Chen <nicolinc@nvidia.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>,
Alim Akhtar <alim.akhtar@samsung.com>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Albert Ou <aou@eecs.berkeley.edu>, <asahi@lists.linux.dev>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
"David Woodhouse" <dwmw2@infradead.org>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Heiko Stuebner <heiko@sntech.de>, <iommu@lists.linux.dev>,
Janne Grunau <j@jannau.net>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Joerg Roedel <joro@8bytes.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-arm-msm@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<linux-riscv@lists.infradead.org>,
<linux-rockchip@lists.infradead.org>,
<linux-s390@vger.kernel.org>, <linux-samsung-soc@vger.kernel.org>,
<linux-sunxi@lists.linux.dev>, <linux-tegra@vger.kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Matthew Rosato <mjrosato@linux.ibm.com>,
Neal Gompa <neal@gompa.dev>, Orson Zhai <orsonzhai@gmail.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Rob Clark <robin.clark@oss.qualcomm.com>,
"Robin Murphy" <robin.murphy@arm.com>,
Samuel Holland <samuel@sholland.org>,
"Sven Peter" <sven@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
"Krishna Reddy" <vdumpa@nvidia.com>,
<virtualization@lists.linux.dev>, Chen-Yu Tsai <wens@csie.org>,
Will Deacon <will@kernel.org>, Yong Wu <yong.wu@mediatek.com>,
Chunyan Zhang <zhang.lyra@gmail.com>,
Lu Baolu <baolu.lu@linux.intel.com>,
Kevin Tian <kevin.tian@intel.com>, <patches@lists.linux.dev>,
Niklas Schnelle <schnelle@linux.ibm.com>,
"Sven Peter" <sven@svenpeter.dev>,
Tomasz Jeznach <tjeznach@rivosinc.com>
Subject: Re: [PATCH v2 1/7] qiommu/arm-smmu-v3: Remove iommu_ops pgsize_bitmap
Date: Mon, 9 Jun 2025 15:15:47 -0700 [thread overview]
Message-ID: <aEddE8bupuaVJTEP@nvidia.com> (raw)
In-Reply-To: <1-v2-68a2e1ba507c+1fb-iommu_rm_ops_pgsize_jgg@nvidia.com>
On Mon, Jun 09, 2025 at 05:41:25PM -0300, Jason Gunthorpe wrote:
> The driver never reads this value, arm_smmu_domain_finalise() always sets
> domain.pgsize_bitmap to pgtbl_cfg, which comes from the per-smmu
> calculated value.
>
> Remove the ops version entirely, the related dead code and make
> arm_smmu_ops const.
>
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
> Acked-by: Will Deacon <will@kernel.org>
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Is "qiommu" a typo in the subject?
_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip
WARNING: multiple messages have this Message-ID (diff)
From: Nicolin Chen <nicolinc@nvidia.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>,
Alim Akhtar <alim.akhtar@samsung.com>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Albert Ou <aou@eecs.berkeley.edu>, <asahi@lists.linux.dev>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
"David Woodhouse" <dwmw2@infradead.org>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Heiko Stuebner <heiko@sntech.de>, <iommu@lists.linux.dev>,
Janne Grunau <j@jannau.net>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Joerg Roedel <joro@8bytes.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-arm-msm@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<linux-riscv@lists.infradead.org>,
<linux-rockchip@lists.infradead.org>,
<linux-s390@vger.kernel.org>, <linux-samsung-soc@vger.kernel.org>,
<linux-sunxi@lists.linux.dev>, <linux-tegra@vger.kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Matthew Rosato <mjrosato@linux.ibm.com>,
Neal Gompa <neal@gompa.dev>, Orson Zhai <orsonzhai@gmail.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Rob Clark <robin.clark@oss.qualcomm.com>,
"Robin Murphy" <robin.murphy@arm.com>,
Samuel Holland <samuel@sholland.org>,
"Sven Peter" <sven@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
"Krishna Reddy" <vdumpa@nvidia.com>,
<virtualization@lists.linux.dev>, Chen-Yu Tsai <wens@csie.org>,
Will Deacon <will@kernel.org>, Yong Wu <yong.wu@mediatek.com>,
Chunyan Zhang <zhang.lyra@gmail.com>,
Lu Baolu <baolu.lu@linux.intel.com>,
Kevin Tian <kevin.tian@intel.com>, <patches@lists.linux.dev>,
Niklas Schnelle <schnelle@linux.ibm.com>,
"Sven Peter" <sven@svenpeter.dev>,
Tomasz Jeznach <tjeznach@rivosinc.com>
Subject: Re: [PATCH v2 1/7] qiommu/arm-smmu-v3: Remove iommu_ops pgsize_bitmap
Date: Mon, 9 Jun 2025 15:15:47 -0700 [thread overview]
Message-ID: <aEddE8bupuaVJTEP@nvidia.com> (raw)
In-Reply-To: <1-v2-68a2e1ba507c+1fb-iommu_rm_ops_pgsize_jgg@nvidia.com>
On Mon, Jun 09, 2025 at 05:41:25PM -0300, Jason Gunthorpe wrote:
> The driver never reads this value, arm_smmu_domain_finalise() always sets
> domain.pgsize_bitmap to pgtbl_cfg, which comes from the per-smmu
> calculated value.
>
> Remove the ops version entirely, the related dead code and make
> arm_smmu_ops const.
>
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
> Acked-by: Will Deacon <will@kernel.org>
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Is "qiommu" a typo in the subject?
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2025-06-09 22:16 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-09 20:41 [PATCH v2 0/7] Remove ops.pgsize_bitmap Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` [PATCH v2 1/7] qiommu/arm-smmu-v3: Remove iommu_ops pgsize_bitmap Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 22:15 ` Nicolin Chen [this message]
2025-06-09 22:15 ` Nicolin Chen
2025-06-09 22:15 ` Nicolin Chen
2025-06-09 23:11 ` Jason Gunthorpe
2025-06-09 23:11 ` Jason Gunthorpe
2025-06-09 23:11 ` Jason Gunthorpe
2025-06-09 20:41 ` [PATCH v2 2/7] iommu/arm-smmu: " Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` [PATCH v2 3/7] iommu: Remove ops.pgsize_bitmap from drivers that don't use it Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` [PATCH v2 4/7] iommu: Remove iommu_ops pgsize_bitmap from simple drivers Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-10 3:47 ` Chen-Yu Tsai
2025-06-10 3:47 ` Chen-Yu Tsai
2025-06-10 3:47 ` Chen-Yu Tsai
2025-06-10 9:11 ` Thierry Reding
2025-06-10 9:11 ` Thierry Reding
2025-06-10 9:11 ` Thierry Reding
2025-06-11 9:40 ` AngeloGioacchino Del Regno
2025-06-11 9:40 ` AngeloGioacchino Del Regno
2025-06-11 9:40 ` AngeloGioacchino Del Regno
2025-06-11 9:46 ` Marek Szyprowski
2025-06-11 9:46 ` Marek Szyprowski
2025-06-11 9:46 ` Marek Szyprowski
2025-06-09 20:41 ` [PATCH v2 5/7] iommu/mtk: Remove iommu_ops pgsize_bitmap Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-11 9:40 ` AngeloGioacchino Del Regno
2025-06-11 9:40 ` AngeloGioacchino Del Regno
2025-06-11 9:40 ` AngeloGioacchino Del Regno
2025-06-09 20:41 ` [PATCH v2 6/7] iommu/qcom: " Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` [PATCH v2 7/7] iommu: Remove ops->pgsize_bitmap Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-09 20:41 ` Jason Gunthorpe
2025-06-27 8:28 ` Joerg Roedel
2025-06-27 8:28 ` Joerg Roedel
2025-06-27 8:28 ` Joerg Roedel
2025-06-27 12:59 ` Jason Gunthorpe
2025-06-27 12:59 ` Jason Gunthorpe
2025-06-27 12:59 ` Jason Gunthorpe
2025-06-09 22:45 ` [PATCH v2 0/7] Remove ops.pgsize_bitmap Nicolin Chen
2025-06-09 22:45 ` Nicolin Chen
2025-06-09 22:45 ` Nicolin Chen
2025-06-27 6:56 ` Joerg Roedel
2025-06-27 6:56 ` Joerg Roedel
2025-06-27 6:56 ` Joerg Roedel
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=aEddE8bupuaVJTEP@nvidia.com \
--to=nicolinc@nvidia.com \
--cc=alex@ghiti.fr \
--cc=alim.akhtar@samsung.com \
--cc=alyssa@rosenzweig.io \
--cc=angelogioacchino.delregno@collabora.com \
--cc=aou@eecs.berkeley.edu \
--cc=asahi@lists.linux.dev \
--cc=baolin.wang@linux.alibaba.com \
--cc=baolu.lu@linux.intel.com \
--cc=dwmw2@infradead.org \
--cc=gerald.schaefer@linux.ibm.com \
--cc=heiko@sntech.de \
--cc=iommu@lists.linux.dev \
--cc=j@jannau.net \
--cc=jean-philippe@linaro.org \
--cc=jernej.skrabec@gmail.com \
--cc=jgg@nvidia.com \
--cc=jonathanh@nvidia.com \
--cc=joro@8bytes.org \
--cc=kevin.tian@intel.com \
--cc=krzk@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=linux-s390@vger.kernel.org \
--cc=linux-samsung-soc@vger.kernel.org \
--cc=linux-sunxi@lists.linux.dev \
--cc=linux-tegra@vger.kernel.org \
--cc=m.szyprowski@samsung.com \
--cc=matthias.bgg@gmail.com \
--cc=mjrosato@linux.ibm.com \
--cc=neal@gompa.dev \
--cc=orsonzhai@gmail.com \
--cc=palmer@dabbelt.com \
--cc=patches@lists.linux.dev \
--cc=paul.walmsley@sifive.com \
--cc=robin.clark@oss.qualcomm.com \
--cc=robin.murphy@arm.com \
--cc=samuel@sholland.org \
--cc=schnelle@linux.ibm.com \
--cc=sven@kernel.org \
--cc=sven@svenpeter.dev \
--cc=thierry.reding@gmail.com \
--cc=tjeznach@rivosinc.com \
--cc=vdumpa@nvidia.com \
--cc=virtualization@lists.linux.dev \
--cc=wens@csie.org \
--cc=will@kernel.org \
--cc=yong.wu@mediatek.com \
--cc=zhang.lyra@gmail.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.