[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Xen-devel] [PATCH v7 3/8] arm64: introduce is_device_dma_coherent
On Fri, 7 Nov 2014, Catalin Marinas wrote:
> On Fri, Nov 07, 2014 at 11:05:25AM +0000, Catalin Marinas wrote:
> > BTW, drivers/xen/swiotlb-xen.c needs something like:
> >
> > dma_addr_t dev_addr = xen_phys_to_bus(phys_to_dma(phys));
> >
> > phys != bus address.
>
> Wrong place, what I meant is when calling:
>
> xen_dma_unmap_page(hwdev, phys_to_dma(paddr), size, dir, attrs);
Well spotted! This is an actual mistake in the current code, independent
from the problem described before. Julien reported it a couple of days
ago and I have already queued a patch to fix it at the end of the
series.
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel
|
