>-----Original Message----- >From: Liu, Yi L <yi.l....@intel.com> >Subject: Re: [PATCH v2 13/17] intel_iommu: piotlb invalidation should >notify unmap > >On 2024/8/19 17:57, Duan, Zhenzhong wrote: >> >> >>> -----Original Message----- >>> From: Liu, Yi L <yi.l....@intel.com> >>> Subject: Re: [PATCH v2 13/17] intel_iommu: piotlb invalidation should >>> notify unmap >>> >>> On 2024/8/5 14:27, Zhenzhong Duan wrote: >>>> This is used by some emulated devices which caches address >>>> translation result. When piotlb invalidation issued in guest, >>>> those caches should be refreshed. >>> >>> Perhaps I have asked it in the before. :) To me, such emulated devices >>> should implement an ATS-capability. You may mention the devices that >>> does not implement ATS-capability, but caches the translation result, >>> and note that it is better to implement ATS cap if there is need to >>> cache the translation request. >> >> OK, will do. Will be like: >> >> "For device that does not implement ATS-capability or disable it >> but still caches the translation result, it is better to implement ATS cap >> or enable it if there is need to cache the translation request." > >sorry for a typo. s/request/result/
Applied. Thanks Zhenzhong
