From: Baolu Lu <baolu.lu@linux.intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: linux-s390@vger.kernel.org, cohuck@redhat.com, heiko@sntech.de,
mjrosato@linux.ibm.com, bjorn.andersson@linaro.org,
linux-tegra@vger.kernel.org, thierry.reding@gmail.com,
alim.akhtar@samsung.com, will@kernel.org, alyssa@rosenzweig.io,
m.szyprowski@samsung.com, jean-philippe@linaro.org,
linux-samsung-soc@vger.kernel.org, kvm@vger.kernel.org,
samuel@sholland.org, zhang.lyra@gmail.com, joro@8bytes.org,
robdclark@gmail.com, jernej.skrabec@gmail.com,
jonathanh@nvidia.com, linux-rockchip@lists.infradead.org,
wens@csie.org, agross@kernel.org,
Nicolin Chen <nicolinc@nvidia.com>,
linux-arm-kernel@lists.infradead.org, orsonzhai@gmail.com,
gerald.schaefer@linux.ibm.com, linux-sunxi@lists.linux.dev,
sven@svenpeter.dev, linux-arm-msm@vger.kernel.org,
alex.williamson@redhat.com, iommu@lists.linux-foundation.org,
linux-mediatek@lists.infradead.org, matthias.bgg@gmail.com,
virtualization@lists.linux-foundation.org, yong.wu@mediatek.com,
dwmw2@infradead.org, marcan@marcan.st,
linux-kernel@vger.kernel.org, krzysztof.kozlowski@linaro.org,
suravee.suthikulpanit@amd.com, baolin.wang7@gmail.com,
robin.murphy@arm.com, baolu.lu@linux.intel.com
Subject: Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine
Date: Tue, 7 Jun 2022 20:42:32 +0800 [thread overview]
Message-ID: <3d0b2863-bb4f-31e1-d54e-09ddf4762d43@linux.intel.com> (raw)
In-Reply-To: <20220607115820.GH1343366@nvidia.com>
On 2022/6/7 19:58, Jason Gunthorpe wrote:
> On Tue, Jun 07, 2022 at 03:44:43PM +0800, Baolu Lu wrote:
>> 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?
>
> You already did it :)
Just as I thought. Thank you!
Best regards,
baolu
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prev parent reply other threads:[~2022-06-07 12:44 UTC|newest]
Thread overview: 26+ 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 ` [PATCH 1/5] iommu: Return -EMEDIUMTYPE for incompatible domain and device/group Nicolin Chen
2022-06-07 3:23 ` Baolu Lu
2022-06-07 4:03 ` Nicolin Chen
2022-06-08 7:49 ` Tian, Kevin
2022-06-08 17:38 ` Nicolin Chen
2022-06-06 6:19 ` [PATCH 2/5] iommu: Ensure device has the same iommu_ops as the domain Nicolin Chen
2022-06-06 14:33 ` Robin Murphy
2022-06-06 16:51 ` Nicolin Chen
2022-06-06 17:50 ` Robin Murphy
2022-06-06 18:28 ` Nicolin Chen
2022-06-06 18:52 ` Jason Gunthorpe
2022-06-06 6:19 ` [PATCH 3/5] vfio/iommu_type1: Prefer to reuse domains vs match enforced cache coherency Nicolin Chen
2022-06-08 8:28 ` Tian, Kevin
2022-06-08 11:17 ` Jason Gunthorpe
2022-06-08 23:48 ` Tian, Kevin
2022-06-14 20:45 ` Nicolin Chen
2022-06-15 7:35 ` Tian, Kevin
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
2022-06-08 8:35 ` Tian, Kevin
2022-06-08 17:46 ` Nicolin Chen
2022-06-06 6:19 ` [PATCH 5/5] vfio/iommu_type1: Simplify group attachment Nicolin Chen
2022-06-07 7:44 ` [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine Baolu Lu
2022-06-07 11:58 ` Jason Gunthorpe
2022-06-07 12:42 ` Baolu Lu [this message]
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