Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine
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 ___ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine
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 :) Jason ___ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine
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
