lkml.org 
[lkml]   [2022]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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.

\
 
 \ /
  Last update: 2022-04-23 18:42    [W:0.181 / U:0.688 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site