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07 Jun 2022 00:44:45 -0700 Message-ID: Date: Tue, 7 Jun 2022 15:44:43 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine Content-Language: en-US To: Nicolin Chen , 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 References: <20220606061927.26049-1-nicolinc@nvidia.com> From: Baolu Lu In-Reply-To: <20220606061927.26049-1-nicolinc@nvidia.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 X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" 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