Re: [PATCH v3 2/5] vfio/iommu_type1: Prefer to reuse domains vs match enforced cache coherency

On 2022/6/24 04:00, Nicolin Chen wrote: From: Jason Gunthorpe The KVM mechanism for controlling wbinvd is based on OR of the coherency property of all devices attached to a guest, no matter whether those devices are attached to a single domain or multiple domains. On the other hand, the

[PATCH v3 2/5] vfio/iommu_type1: Prefer to reuse domains vs match enforced cache coherency

From: Jason Gunthorpe The KVM mechanism for controlling wbinvd is based on OR of the coherency property of all devices attached to a guest, no matter whether those devices are attached to a single domain or multiple domains. On the other hand, the benefit to using separate domains was that