From: Baolu Lu <baolu.lu@linux.intel.com>
To: Nicolin Chen <nicolinc@nvidia.com>,
jgg@nvidia.com, joro@8bytes.org, will@kernel.org,
marcan@marcan.st, sven@svenpeter.dev, robin.murphy@arm.com,
robdclark@gmail.com, m.szyprowski@samsung.com,
krzysztof.kozlowski@linaro.org, agross@kernel.org,
bjorn.andersson@linaro.org, matthias.bgg@gmail.com,
heiko@sntech.de, orsonzhai@gmail.com, baolin.wang7@gmail.com,
zhang.lyra@gmail.com, wens@csie.org, jernej.skrabec@gmail.com,
samuel@sholland.org, jean-philippe@linaro.org,
alex.williamson@redhat.com
Cc: baolu.lu@linux.intel.com, suravee.suthikulpanit@amd.com,
alyssa@rosenzweig.io, alim.akhtar@samsung.com,
dwmw2@infradead.org, yong.wu@mediatek.com,
mjrosato@linux.ibm.com, gerald.schaefer@linux.ibm.com,
thierry.reding@gmail.com, vdumpa@nvidia.com,
jonathanh@nvidia.com, cohuck@redhat.com,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-mediatek@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org,
linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org
Subject: Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine
Date: Tue, 7 Jun 2022 15:44:43 +0800 [thread overview]
Message-ID: <d357966b-7abd-f8f3-3ca7-3c99f5e075b9@linux.intel.com> (raw)
In-Reply-To: <20220606061927.26049-1-nicolinc@nvidia.com>
On 2022/6/6 14:19, Nicolin Chen wrote:
> Worths mentioning the exact match for enforce_cache_coherency is removed
> with this series, since there's very less value in doing that since KVM
> won't be able to take advantage of it -- this just wastes domain memory.
> Instead, we rely on Intel IOMMU driver taking care of that internally.
After reading this series, I don't see that Intel IOMMU driver needs any
further change to support the new scheme. Did I miss anything?
Best regards,
baolu
WARNING: multiple messages have this Message-ID (diff)
From: Baolu Lu <baolu.lu@linux.intel.com>
To: Nicolin Chen <nicolinc@nvidia.com>,
jgg@nvidia.com, joro@8bytes.org, will@kernel.org,
marcan@marcan.st, sven@svenpeter.dev, robin.murphy@arm.com,
robdclark@gmail.com, m.szyprowski@samsung.com,
krzysztof.kozlowski@linaro.org, agross@kernel.org,
bjorn.andersson@linaro.org, matthias.bgg@gmail.com,
heiko@sntech.de, orsonzhai@gmail.com, baolin.wang7@gmail.com,
zhang.lyra@gmail.com, wens@csie.org, jernej.skrabec@gmail.com,
samuel@sholland.org, jean-philippe@linaro.org,
alex.williamson@redhat.com
Cc: baolu.lu@linux.intel.com, suravee.suthikulpanit@amd.com,
alyssa@rosenzweig.io, alim.akhtar@samsung.com,
dwmw2@infradead.org, yong.wu@mediatek.com,
mjrosato@linux.ibm.com, gerald.schaefer@linux.ibm.com,
thierry.reding@gmail.com, vdumpa@nvidia.com,
jonathanh@nvidia.com, cohuck@redhat.com,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-mediatek@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org,
linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org
Subject: Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine
Date: Tue, 7 Jun 2022 15:44:43 +0800 [thread overview]
Message-ID: <d357966b-7abd-f8f3-3ca7-3c99f5e075b9@linux.intel.com> (raw)
In-Reply-To: <20220606061927.26049-1-nicolinc@nvidia.com>
On 2022/6/6 14:19, Nicolin Chen wrote:
> Worths mentioning the exact match for enforce_cache_coherency is removed
> with this series, since there's very less value in doing that since KVM
> won't be able to take advantage of it -- this just wastes domain memory.
> Instead, we rely on Intel IOMMU driver taking care of that internally.
After reading this series, I don't see that Intel IOMMU driver needs any
further change to support the new scheme. Did I miss anything?
Best regards,
baolu
_______________________________________________
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: Baolu Lu <baolu.lu@linux.intel.com>
To: Nicolin Chen <nicolinc@nvidia.com>,
jgg@nvidia.com, joro@8bytes.org, will@kernel.org,
marcan@marcan.st, sven@svenpeter.dev, robin.murphy@arm.com,
robdclark@gmail.com, m.szyprowski@samsung.com,
krzysztof.kozlowski@linaro.org, agross@kernel.org,
bjorn.andersson@linaro.org, matthias.bgg@gmail.com,
heiko@sntech.de, orsonzhai@gmail.com, baolin.wang7@gmail.com,
zhang.lyra@gmail.com, wens@csie.org, jernej.skrabec@gmail.com,
samuel@sholland.org, jean-philippe@linaro.org,
alex.williamson@redhat.com
Cc: virtualization@lists.linux-foundation.org,
thierry.reding@gmail.com, alim.akhtar@samsung.com,
alyssa@rosenzweig.io, linux-s390@vger.kernel.org,
linux-samsung-soc@vger.kernel.org, kvm@vger.kernel.org,
jonathanh@nvidia.com, linux-rockchip@lists.infradead.org,
gerald.schaefer@linux.ibm.com, linux-sunxi@lists.linux.dev,
linux-arm-msm@vger.kernel.org,
linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, cohuck@redhat.com,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
dwmw2@infradead.org
Subject: Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine
Date: Tue, 7 Jun 2022 15:44:43 +0800 [thread overview]
Message-ID: <d357966b-7abd-f8f3-3ca7-3c99f5e075b9@linux.intel.com> (raw)
In-Reply-To: <20220606061927.26049-1-nicolinc@nvidia.com>
On 2022/6/6 14:19, Nicolin Chen wrote:
> Worths mentioning the exact match for enforce_cache_coherency is removed
> with this series, since there's very less value in doing that since KVM
> won't be able to take advantage of it -- this just wastes domain memory.
> Instead, we rely on Intel IOMMU driver taking care of that internally.
After reading this series, I don't see that Intel IOMMU driver needs any
further change to support the new scheme. Did I miss anything?
Best regards,
baolu
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Baolu Lu <baolu.lu@linux.intel.com>
To: Nicolin Chen <nicolinc@nvidia.com>,
jgg@nvidia.com, joro@8bytes.org, will@kernel.org,
marcan@marcan.st, sven@svenpeter.dev, robin.murphy@arm.com,
robdclark@gmail.com, m.szyprowski@samsung.com,
krzysztof.kozlowski@linaro.org, agross@kernel.org,
bjorn.andersson@linaro.org, matthias.bgg@gmail.com,
heiko@sntech.de, orsonzhai@gmail.com, baolin.wang7@gmail.com,
zhang.lyra@gmail.com, wens@csie.org, jernej.skrabec@gmail.com,
samuel@sholland.org, jean-philippe@linaro.org,
alex.williamson@redhat.com
Cc: baolu.lu@linux.intel.com, suravee.suthikulpanit@amd.com,
alyssa@rosenzweig.io, alim.akhtar@samsung.com,
dwmw2@infradead.org, yong.wu@mediatek.com,
mjrosato@linux.ibm.com, gerald.schaefer@linux.ibm.com,
thierry.reding@gmail.com, vdumpa@nvidia.com,
jonathanh@nvidia.com, cohuck@redhat.com,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-mediatek@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org,
linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org
Subject: Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine
Date: Tue, 7 Jun 2022 15:44:43 +0800 [thread overview]
Message-ID: <d357966b-7abd-f8f3-3ca7-3c99f5e075b9@linux.intel.com> (raw)
In-Reply-To: <20220606061927.26049-1-nicolinc@nvidia.com>
On 2022/6/6 14:19, Nicolin Chen wrote:
> Worths mentioning the exact match for enforce_cache_coherency is removed
> with this series, since there's very less value in doing that since KVM
> won't be able to take advantage of it -- this just wastes domain memory.
> Instead, we rely on Intel IOMMU driver taking care of that internally.
After reading this series, I don't see that Intel IOMMU driver needs any
further change to support the new scheme. Did I miss anything?
Best regards,
baolu
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
WARNING: multiple messages have this Message-ID (diff)
From: Baolu Lu <baolu.lu@linux.intel.com>
To: Nicolin Chen <nicolinc@nvidia.com>,
jgg@nvidia.com, joro@8bytes.org, will@kernel.org,
marcan@marcan.st, sven@svenpeter.dev, robin.murphy@arm.com,
robdclark@gmail.com, m.szyprowski@samsung.com,
krzysztof.kozlowski@linaro.org, agross@kernel.org,
bjorn.andersson@linaro.org, matthias.bgg@gmail.com,
heiko@sntech.de, orsonzhai@gmail.com, baolin.wang7@gmail.com,
zhang.lyra@gmail.com, wens@csie.org, jernej.skrabec@gmail.com,
samuel@sholland.org, jean-philippe@linaro.org,
alex.williamson@redhat.com
Cc: mjrosato@linux.ibm.com,
virtualization@lists.linux-foundation.org,
thierry.reding@gmail.com, alim.akhtar@samsung.com,
alyssa@rosenzweig.io, linux-s390@vger.kernel.org,
linux-samsung-soc@vger.kernel.org, kvm@vger.kernel.org,
jonathanh@nvidia.com, linux-rockchip@lists.infradead.org,
yong.wu@mediatek.com, gerald.schaefer@linux.ibm.com,
linux-sunxi@lists.linux.dev, linux-arm-msm@vger.kernel.org,
linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, cohuck@redhat.com,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
suravee.suthikulpanit@amd.com, dwmw2@infradead.org,
baolu.lu@linux.intel.com
Subject: Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine
Date: Tue, 7 Jun 2022 15:44:43 +0800 [thread overview]
Message-ID: <d357966b-7abd-f8f3-3ca7-3c99f5e075b9@linux.intel.com> (raw)
In-Reply-To: <20220606061927.26049-1-nicolinc@nvidia.com>
On 2022/6/6 14:19, Nicolin Chen wrote:
> Worths mentioning the exact match for enforce_cache_coherency is removed
> with this series, since there's very less value in doing that since KVM
> won't be able to take advantage of it -- this just wastes domain memory.
> Instead, we rely on Intel IOMMU driver taking care of that internally.
After reading this series, I don't see that Intel IOMMU driver needs any
further change to support the new scheme. Did I miss anything?
Best regards,
baolu
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-06-07 7:44 UTC|newest]
Thread overview: 138+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-06 6:19 [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen via iommu
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` [PATCH 1/5] iommu: Return -EMEDIUMTYPE for incompatible domain and device/group Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen via iommu
2022-06-06 6:19 ` Nicolin Chen
2022-06-07 3:23 ` Baolu Lu
2022-06-07 3:23 ` Baolu Lu
2022-06-07 3:23 ` Baolu Lu
2022-06-07 3:23 ` Baolu Lu
2022-06-07 3:23 ` Baolu Lu
2022-06-07 4:03 ` Nicolin Chen
2022-06-07 4:03 ` Nicolin Chen
2022-06-07 4:03 ` Nicolin Chen
2022-06-07 4:03 ` Nicolin Chen via iommu
2022-06-07 4:03 ` Nicolin Chen
2022-06-08 7:49 ` Tian, Kevin
2022-06-08 7:49 ` Tian, Kevin
2022-06-08 7:49 ` Tian, Kevin
2022-06-08 7:49 ` Tian, Kevin
2022-06-08 7:49 ` Tian, Kevin
2022-06-08 7:49 ` Tian, Kevin
2022-06-08 17:38 ` Nicolin Chen
2022-06-08 17:38 ` Nicolin Chen
2022-06-08 17:38 ` Nicolin Chen
2022-06-08 17:38 ` Nicolin Chen
2022-06-08 17:38 ` Nicolin Chen via iommu
2022-06-06 6:19 ` [PATCH 2/5] iommu: Ensure device has the same iommu_ops as the domain Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen via iommu
2022-06-06 14:33 ` Robin Murphy
2022-06-06 14:33 ` Robin Murphy
2022-06-06 14:33 ` Robin Murphy
2022-06-06 14:33 ` Robin Murphy
2022-06-06 14:33 ` Robin Murphy
2022-06-06 14:33 ` Robin Murphy
2022-06-06 16:51 ` Nicolin Chen
2022-06-06 16:51 ` Nicolin Chen
2022-06-06 16:51 ` Nicolin Chen
2022-06-06 16:51 ` Nicolin Chen
2022-06-06 16:51 ` Nicolin Chen via iommu
2022-06-06 17:50 ` Robin Murphy
2022-06-06 17:50 ` Robin Murphy
2022-06-06 17:50 ` Robin Murphy
2022-06-06 17:50 ` Robin Murphy
2022-06-06 17:50 ` Robin Murphy
2022-06-06 17:50 ` Robin Murphy
2022-06-06 18:28 ` Nicolin Chen
2022-06-06 18:28 ` Nicolin Chen
2022-06-06 18:28 ` Nicolin Chen
2022-06-06 18:28 ` Nicolin Chen via iommu
2022-06-06 18:28 ` Nicolin Chen
2022-06-06 18:52 ` Jason Gunthorpe
2022-06-06 18:52 ` Jason Gunthorpe
2022-06-06 18:52 ` Jason Gunthorpe
2022-06-06 18:52 ` Jason Gunthorpe
2022-06-06 18:52 ` Jason Gunthorpe via iommu
2022-06-06 6:19 ` [PATCH 3/5] vfio/iommu_type1: Prefer to reuse domains vs match enforced cache coherency Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen via iommu
2022-06-08 8:28 ` Tian, Kevin
2022-06-08 8:28 ` Tian, Kevin
2022-06-08 8:28 ` Tian, Kevin
2022-06-08 8:28 ` Tian, Kevin
2022-06-08 8:28 ` Tian, Kevin
2022-06-08 8:28 ` Tian, Kevin
2022-06-08 11:17 ` Jason Gunthorpe
2022-06-08 11:17 ` Jason Gunthorpe
2022-06-08 11:17 ` Jason Gunthorpe
2022-06-08 11:17 ` Jason Gunthorpe via iommu
2022-06-08 11:17 ` Jason Gunthorpe
2022-06-08 23:48 ` Tian, Kevin
2022-06-08 23:48 ` Tian, Kevin
2022-06-08 23:48 ` Tian, Kevin
2022-06-08 23:48 ` Tian, Kevin
2022-06-08 23:48 ` Tian, Kevin
2022-06-08 23:48 ` Tian, Kevin
2022-06-14 20:45 ` Nicolin Chen
2022-06-14 20:45 ` Nicolin Chen
2022-06-14 20:45 ` Nicolin Chen
2022-06-14 20:45 ` Nicolin Chen via iommu
2022-06-14 20:45 ` Nicolin Chen
2022-06-15 7:35 ` Tian, Kevin
2022-06-15 7:35 ` Tian, Kevin
2022-06-15 7:35 ` Tian, Kevin
2022-06-15 7:35 ` Tian, Kevin
2022-06-15 7:35 ` Tian, Kevin
2022-06-15 7:35 ` Tian, Kevin
2022-06-15 23:12 ` Nicolin Chen
2022-06-15 23:12 ` Nicolin Chen
2022-06-15 23:12 ` Nicolin Chen via iommu
2022-06-15 23:12 ` Nicolin Chen
2022-06-06 6:19 ` [PATCH 4/5] vfio/iommu_type1: Clean up update_dirty_scope in detach_group() Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen via iommu
2022-06-08 8:35 ` Tian, Kevin
2022-06-08 8:35 ` Tian, Kevin
2022-06-08 8:35 ` Tian, Kevin
2022-06-08 8:35 ` Tian, Kevin
2022-06-08 8:35 ` Tian, Kevin
2022-06-08 8:35 ` Tian, Kevin
2022-06-08 17:46 ` Nicolin Chen
2022-06-08 17:46 ` Nicolin Chen
2022-06-08 17:46 ` Nicolin Chen
2022-06-08 17:46 ` Nicolin Chen
2022-06-08 17:46 ` Nicolin Chen via iommu
2022-06-06 6:19 ` [PATCH 5/5] vfio/iommu_type1: Simplify group attachment Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen
2022-06-06 6:19 ` Nicolin Chen via iommu
2022-06-07 7:44 ` Baolu Lu [this message]
2022-06-07 7:44 ` [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine Baolu Lu
2022-06-07 7:44 ` Baolu Lu
2022-06-07 7:44 ` Baolu Lu
2022-06-07 7:44 ` Baolu Lu
2022-06-07 11:58 ` Jason Gunthorpe
2022-06-07 11:58 ` Jason Gunthorpe
2022-06-07 11:58 ` Jason Gunthorpe
2022-06-07 11:58 ` Jason Gunthorpe
2022-06-07 11:58 ` Jason Gunthorpe via iommu
2022-06-07 12:42 ` Baolu Lu
2022-06-07 12:42 ` Baolu Lu
2022-06-07 12:42 ` Baolu Lu
2022-06-07 12:42 ` Baolu Lu
2022-06-07 12:42 ` Baolu Lu
2022-06-10 16:39 [PATCH 5/5] vfio/iommu_type1: Simplify group attachment kernel test robot
2022-06-13 13:42 ` Dan Carpenter
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