On Wed, Oct 4, 2017 at 10:41 AM, Olof's autobuilder <bu...@lixom.net> wrote:
>
> Warnings:
>
> 1 arm/xen/mm.c:202:2: warning: initialization from incompatible pointer
> type
> 1 arm/xen/mm.c:202:2: warning: (near initialization for
> 'xen_swiotlb_dma_ops.mmap')
> 1 drivers/xen/swiotlb-xen.c:697:27: warning: passing argument 6 of
> '__generic_dma_ops(dev)->mmap' makes pointer from integer without a cast
This is caused by backporting 2f0b82b1b830 ("swiotlb-xen: implement
xen_swiotlb_dma_mmap callback") into stable-rc/4.4.
The ->mmap() callback signature changed in linux-4.8 as of commit
00085f1efa38 ("dma-mapping: use unsigned long for dma_attrs"), so
all older kernels are affected.
Please drop the backport patch from 4.4 and 3.18, or apply the trivial fixup
that I'll send in a bit.
Arnd
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