There is no good reason to not define ARCH_HAS_SG_CHAIN. To fix
your immediate problem just select it from riscv, as riscv uses
the generic dma-direct code which is chained S/G safe by definition.
And if you want to get extra points do a quick audit of the remaning
iommu drivers on architectures
Am 30.10.18 um 08:23 schrieb Gerd Hoffmann:
> On Mon, Oct 29, 2018 at 12:46:34PM -0700, Michael Forney wrote:
>> Hi,
>>
>> I was looking at adding virtio-gpu support to tinyemu
>> (https://bellard.org/tinyemu/). I got it to work on x86, but just for
>> fun I tried it under riscv and ran into an iss
On Mon, Oct 29, 2018 at 12:46:34PM -0700, Michael Forney wrote:
> Hi,
>
> I was looking at adding virtio-gpu support to tinyemu
> (https://bellard.org/tinyemu/). I got it to work on x86, but just for
> fun I tried it under riscv and ran into an issue with buffer
> allocations (though, this should
