WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] x86 swiotlb questions

>Here's a thought: if the highmem DMA requests come from *only* the blkdev
>subsystem, then perhaps we could use its highmem bounce buffer (I think that
>still exists?).

Another, only partially related thought: The addition of KM_SWIOTLB is the only
difference to native kmap_types.h. It would seem to me that, at the price of
disabling interrupts around the use, it should be possible to replace that with
KM_BOUNCE_READ and let go of the Xen specific header...

Jan

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>