Messages in this thread | | | Date | Mon, 15 Nov 2021 05:19:02 -0800 | From | Christoph Hellwig <> | Subject | Re: [PATCH 02/11] driver core: Set DMA ownership during driver bind/unbind |
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On Mon, Nov 15, 2021 at 10:05:43AM +0800, Lu Baolu wrote: > @@ -566,6 +567,12 @@ static int really_probe(struct device *dev, struct device_driver *drv) > goto done; > } > > + if (!drv->suppress_auto_claim_dma_owner) { > + ret = iommu_device_set_dma_owner(dev, DMA_OWNER_KERNEL, NULL); > + if (ret) > + return ret; > + }
I'd expect this to go into iommu_setup_dma_ops (and its arm and s390 equivalents), as that is what claims an IOMMU for in-kernel usage
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