[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH V1 6/6] arm/xen: Assign xen-grant DMA ops for xen-grant DMA devices
On Fri, Apr 22, 2022 at 07:51:03PM +0300, Oleksandr Tyshchenko wrote: > static inline void xen_setup_dma_ops(struct device *dev) > { > #ifdef CONFIG_XEN > - if (xen_swiotlb_detect()) > + if (arch_has_restricted_virtio_memory_access() && > + xen_is_grant_dma_device(dev)) > + xen_grant_setup_dma_ops(dev); > + else if (xen_swiotlb_detect()) I don't think that arch_has_restricted_virtio_memory_access check should be there as it still is a bit of a layering violation.
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