[PATCH] swiotlb-xen: fix DMA_ATTR_NO_KERNEL_MAPPING on arm

[Boris Ostrovsky]

On 4/28/22 5:49 PM, Stefano Stabellini wrote:
> On Thu, 28 Apr 2022, Christoph Hellwig wrote:
>> On Tue, Apr 26, 2022 at 04:07:45PM -0700, Stefano Stabellini wrote:
>>>> Reported-by: Rahul Singh <Rahul.Singh at arm.com>
>>>> Signed-off-by: Christoph Hellwig <hch at lst.de>
>>> Reviewed-by: Stefano Stabellini <sstabellini at kernel.org>
>> Do you want to take this through the Xen tree or should I pick it up?
>> Either way I'd love to see some testing on x86 as well.
> I agree on the x86 testing. Juergen, Boris?
>
> I'd say to take this patch via the Xen tree but Juergen has just sent a
> Xen pull request to Linux last Saturday. Juergen do you plan to send
> another one? Do you have something else lined up? If not, it might be
> better to let Christoph pick it up.


We don't have anything pending.


I can test it but at best tomorrow so not sure we can get this into rc5. Do you consider this an urgent fix or can we wait until 5.19? Because it's a bit too much IMO for rc6.


-boris