Re: [PATCH v5 0/5] Add support for ACPI VIOT

On Fri, Jun 18, 2021 at 05:20:55PM +0200, Jean-Philippe Brucker wrote: > Jean-Philippe Brucker (5): > ACPI: arm64: Move DMA setup operations out of IORT > ACPI: Move IOMMU setup code out of IORT > ACPI: Add driver for the VIOT table > iommu/dma: Pass address limit rather than size to >

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Re: Seeking advice on virtio dmabuf

for the 2nd point, I begin to understand the logic, there are some userspace priv data passed with sgtable between guest and host os; width/height/stride/format and other information can be sent inside these private data. these private data is opaque to kernel driver, doesn't require negotiation f