> We make sure that we allocate contiguous memory in
> xen_swiotlb_alloc_coherent().
I understood.
Thanks!
--
Best Regards, Roman.
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On 6/14/21 8:47 AM, Roman Skakun wrote:
> Hey, Boris!
> Thanks for the review.
>
> I have an additional question about current implementation that disturbed me.
> I think, that we can have cases when mapped memory can not be
> physically contiguous.
> In order to proceed this correctly need to ap
Hey, Boris!
Thanks for the review.
I have an additional question about current implementation that disturbed me.
I think, that we can have cases when mapped memory can not be
physically contiguous.
In order to proceed this correctly need to apply some additional steps
to current implementation as
This commit is dedicated to fix incorrect convertion from
cpu_addr to page address in cases when we get virtual
address which allocated throught xen_swiotlb_alloc_coherent()
and can be mapped in the vmalloc range.
As the result, virt_to_page() cannot convert this address
properly and return incorre
On 6/11/21 5:55 AM, Roman Skakun wrote:
>
> +static int
> +xen_swiotlb_dma_mmap(struct device *dev, struct vm_area_struct *vma,
> + void *cpu_addr, dma_addr_t dma_addr, size_t size,
> + unsigned long attrs)
> +{
> + unsigned long user_count = vma_pages(vma);
> +
