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

Jason Gunthorpe jgg at nvidia.com
Wed Sep 11 15:52:12 PDT 2024


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



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