Re: [PATCH v2 2/8] iommu/arm-smmu-v3: Use S2FWB when available

Jason Gunthorpe
2024-09-11T22:53:40Z

On Tue, Sep 10, 2024 at 11:25:55AM +0000, Shameerali Kolothum Thodi wrote:
> > Try to isolate if S2FWB is the exact cause by disabling it in the kernel on this
> > system vs something else wrong?
>
> It looks like not related to S2FWB. I tried commenting out S2FWB and issue is still
> there. Probably something related to this test setup.

Okay, so not these patches. You managed to get some DMA through the
S2FWB so that is encouraging.

Thanks,
Jason